WO2020021622A1 - Shoe insole - Google Patents

Shoe insole Download PDF

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Publication number
WO2020021622A1
WO2020021622A1 PCT/JP2018/027656 JP2018027656W WO2020021622A1 WO 2020021622 A1 WO2020021622 A1 WO 2020021622A1 JP 2018027656 W JP2018027656 W JP 2018027656W WO 2020021622 A1 WO2020021622 A1 WO 2020021622A1
Authority
WO
WIPO (PCT)
Prior art keywords
foot
insole
arch
calcaneal
cubic bone
Prior art date
Application number
PCT/JP2018/027656
Other languages
French (fr)
Japanese (ja)
Inventor
高橋　毅
保 山中
大悟 高橋
Original Assignee
株式会社Ｂｍｚ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社Ｂｍｚ filed Critical 株式会社Ｂｍｚ
Priority to US17/262,337 priority Critical patent/US20210298412A1/en
Priority to KR1020217000254A priority patent/KR102463611B1/en
Priority to JP2020531864A priority patent/JP6799881B2/en
Priority to EP18927951.6A priority patent/EP3827689B1/en
Priority to CN201880095875.0A priority patent/CN112469301B/en
Priority to PCT/JP2018/027656 priority patent/WO2020021622A1/en
Priority to TW107138620A priority patent/TWI678977B/en
Publication of WO2020021622A1 publication Critical patent/WO2020021622A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/144—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the heel, i.e. the calcaneus bone
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/142—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the medial arch, i.e. under the navicular or cuneiform bones
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1425—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the ball of the foot, i.e. the joint between the first metatarsal and first phalange
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/143—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the lateral arch, i.e. the cuboid bone
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1435—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the joint between the fifth phalange and the fifth metatarsal bone
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1445—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the midfoot, i.e. the second, third or fourth metatarsal
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/145—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the toes, i.e. the phalanges
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1475—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the type of support
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1475—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the type of support
    • A43B7/149—Pads, e.g. protruding on the foot-facing surface

Definitions

  • the present invention relates to a shoe insole.
  • a configuration has been known in which a shoe insole includes a calcaneal front support protrusion that supports the calcaneal front from the sole (see, for example, Patent Document 1).
  • Patent Literature 1 the calcaneus is supported stably by the calcaneal front support projection, and the foot arch is maintained in a natural shape to support the foot in a well-balanced manner.
  • the conventional shoe insole it is easy to balance the foot, and it is easy to generate a propulsive force at the time of walking and running, thereby achieving both stability and mobility.
  • an object of the present invention is to provide an insole for shoes that ensures stability and movability and facilitates obtaining a kinetic effect.
  • the shoe insole according to the present invention includes: a front calcaneus support projection that contacts the front calcaneus of the foot; and
  • the convex portion has a toe ball support portion that supports the toe ball and the toe ball of the foot while maintaining the inner vertical arch, the outer vertical arch, and the lateral arch, and is provided in front of the toe ball support portion.
  • an insole front portion that is thinner than the toe ball support portion.
  • the anterior calcaneal support projections maintain the medial longitudinal arch, the lateral longitudinal arch, and the lateral arch of the foot, and the toe ball support section allows the toe ball and the toe ball of the foot to move.
  • the restraint of the toes in front of the first to fifth phalanx of the foot is released while maintaining the state of the arch of the foot. Therefore, at the time of walking or running, the toes are in a free state while maintaining the arch state of the feet, and a walking operation of grasping the ground with the toes can be performed.
  • the front part of the insole is thinner than the ball supporting part, the degree of freedom of the toes is further increased, and the walking operation of grasping the ground with the toes can be easily performed. Can be performed, and the exercise effect can be enhanced.
  • the present invention while maintaining the shape of the arch of the sole and securing the stability and mobility of the body, it is easy to perform the operation of grasping the ground with the toes, and the exercise effect can be enhanced.
  • FIG. 1 is a perspective view showing an insole according to the embodiment of the present invention.
  • FIG. 2 is a bottom view showing the insole in which the skeletons of the feet are overlapped.
  • 3 is a lateral sectional view showing the insole,
  • FIG. 3 (A) is a sectional view taken along line S0-S0 of FIG. 2
  • FIG. 3 (B) is a sectional view taken along line S1-S1 of FIG. 2
  • FIG. 3D is a cross-sectional view of S3-S3 in FIG. 2
  • FIG. 3E is a cross-sectional view of S4-S4 in FIG. 2
  • FIG. 3G is a sectional view taken along S6-S6 in FIG. 2 and
  • FIG. 4 is a longitudinal sectional view showing the insole
  • FIG. 4 (A) is a sectional view taken along S10-S10 of FIG. 2
  • FIG. 4 (B) is a sectional view taken along S11-S11 of FIG. 2
  • FIG. 4D is a sectional view taken along S13-S13 of FIG. 2
  • FIG. 4E is a sectional view taken along S14-S14 of FIG.
  • FIG. 5 is an explanatory diagram of the arch of the sole.
  • FIG. 6 is a longitudinal sectional view showing the relationship between the insole and the foot, and the insole is the same as the S13-S13 sectional view in FIG.
  • FIG. 1 is a perspective view showing an insole 1 according to the present embodiment.
  • the insole (shoe insole) 1 includes an insole body 160.
  • the insole body 160 has a shape following the inner contour of the shoe in plan view, and includes an outer edge contour 70 housed inside the shoe. By fitting the outer contour 70 to the inner contour of the shoe, the insole 1 is fitted in place in the shoe when the insole 1 is inserted. Since the shape of the foot of the user who uses the insole 1 varies from person to person and is not constant, the overall size of the insole 1 is selected according to the size of the foot of the user.
  • FIG. 2 is a bottom view showing the insole 1 in which the skeletons of the feet are superimposed. It should be noted that this drawing is a drawing viewed from below, and a part of the bone is hidden due to the overlapping of the bones. The plan view seen from the front of the foot differs from the bottom view in FIG. 2 in the way the bones overlap.
  • the skeletal structure 10 of the foot includes a calcaneus 12, a talus 14, a scaphoid 16, a cuboid 18, a first to third wedges 20, 22, 24, and a first to fifth medium.
  • the front ends of the first to fifth metatarsal bones 26, 28, 30, 32, and 34 are connected to the first to fifth metatarsal heads 26A (also referred to as the toe ball 26A), 28A, 30A, 32A, and 34A ( 34A).
  • the step-shaped portion located at the front part of the calcaneus 12 is the front part of the calcaneus (also referred to as calcaneal tuberosity) 12A. Note that, in FIG. 2, only the scaphoid 16 is shown by a broken line, the portion hidden by the overlapping of the bones.
  • a cubic bone supporting convex portion 80 and a calcaneal frontal supporting convex portion 90 constituting the convex portion 2 are formed on the surface (upper surface) 1 ⁇ / b> A of the insole body 160. ing.
  • the cubic bone supporting projection 80 is provided at a portion corresponding to the cubic bone 18, and the calcaneal front supporting projection 90 is provided at a portion corresponding to the calcaneal tubercle 12A.
  • the cubic bone support projection 80 and the calcaneus front support projection 90 are formed solid.
  • the anterior calcaneous support projection 90 is provided on the cubic bone support convex part 80, and the surface of the calcaneal front support convex part 90 overlaps the surface of the cubic bone support convex part 80 to form one convex shape.
  • a part 2 is formed.
  • the cubic bone support projection 80 and the calcaneal front support projection 90 may be integral with each other or separate from each other, or may be formed separately from a flat insole. .
  • the calcaneal front support protrusion 90 is schematically illustrated along with contour lines indicating the height of the calcaneal front support protrusion 90.
  • a ball support portion (hereinafter, referred to as a bulging portion) 100 is formed on the back surface (lower surface) 1B of the insole body 160.
  • the bulging portion 100 bulges downward from the back surface (lower surface) 1B of the insole body 160.
  • the bulging portion 100 has a front edge extending on a line connecting the first proximal phalanx 36 to the fifth proximal phalanx 44 in a bottom view.
  • the insole front part 110 of the insole body 160 is formed in front of the bulging part 100, and the thickness of the insole front part 110 is thinner than the thickness of the bulging part 100.
  • FIG. 3 is a transverse sectional view showing the insole 1 and FIG. 4 is a longitudinal sectional view showing the insole 1.
  • (S0-S0) to (S7-S7), (S10-S10) to (S14-S14) correspond to (S0-S0) to (S7-S7) in FIG. This corresponds to (S10-S10) to (S14-S14).
  • the S0-S0 cross section is a cross section that crosses the vicinity of the first distal phalanx 54 and the second and third middle phalanxes 46 and 48, and the insole body 160 of the cross section, that is, the insole front portion 110 is flat.
  • the S1-S1 cross section is a cross section that crosses the vicinity of the first to fourth base phalanxes 36 to 42 and the fifth end phalanx 62, and the insole body 160 includes a bulging portion 100 on the back surface 1B.
  • the bulging portion 100 includes a toe ball portion 103 that supports the toe ball 26A of the foot, and a toe ball portion 104 that supports the second to fourth metatarsal heads 28A to 32A and the toe ball 34A.
  • a V-shaped recess 105 is formed between the toe ball portion 103 and the other toe ball portion 104.
  • the outer peripheral portion 102 gradually decreases in thickness toward the outside of the bulging portion 100 and is inclined upward.
  • the S2-S2 cross section is a cross section that crosses the first metatarsal head 26A and the fifth metatarsal head 34A.
  • the insole body 160 in this portion includes the flat surface portion 100A on the front surface 1A, and the bulging portion 100 bulging downward on the back surface 1B.
  • the bulging portion 100 includes a flat main body portion 101 and an outer peripheral portion 102 whose thickness is gradually reduced.
  • the S3-S3 cross section is a cross section that crosses the metatarsal bones 26-34.
  • the insole body 160 in this portion includes the flat surface portion 100A on the front surface 1A and the bulging portion 100 on the back surface 1B. At the rear edge of the bulging portion 100, an arc-shaped concave portion 106 is formed in which a central portion in the width direction is concavely arcuate forward in a bottom view.
  • the S4-S4 cross section is a portion corresponding to a transverse arch crossing the metatarsal bones 26 to 34.
  • the insole body 160 is thicker at a portion corresponding to the arch, corresponding to a general foot, and is directed to the outside of the right foot. As a result, the surface side tilts down and the thickness gradually decreases.
  • Lightening portions 72 and 74 are formed on both sides of the flat portion on the right and left inner and outer back surfaces, so that the left and right deformation in the S4-S4 cross section can be slightly tolerated.
  • the S5-S5 cross section is a portion corresponding to the cubic bone 18, and the insole body 160 includes the cubic bone supporting projection 80 having the maximum thickness.
  • the surface 80A of the cubic bone supporting projection 80 is inclined downward from the portion corresponding to the cubic bone 18 to the left and right side edges 76, including the portion 3 (FIG. 2) corresponding to the scaphoid 16 and gradually reduced in thickness.
  • the insole body 160 has a raised edge portion 78 at the outermost edge in the S5-S5 cross section.
  • ⁇ S6-S6 cross section is a portion corresponding to the posterior end point of the vertical arch across the calcaneus tuberculosis 12A.
  • the insole body 160 in this portion includes the calcaneous anterior support projection 90 having the maximum thickness, and its surface 90A corresponds to the scaphoid 16 from the portion corresponding to the calcaneal tuberosity 12A toward the left and right side edges 76. Including the part 3 (FIG. 2), the thickness is gradually reduced by downward inclination.
  • ⁇ S7-S7 cross section is a portion that crosses the rear part of the calcaneus 12 and corresponds to the rear end point of the vertical arch.
  • the insole body 160 has a relatively flat surface 1A so as to support the heel corresponding to a general foot. Further, the insole body 160 gradually increases in thickness by inclining the surface 1A toward both sides, and has a raised edge portion 78 at the outermost edge.
  • Lightening portions 72 and 74 are formed on the left and right inner and outer rear surfaces, respectively, so that the left and right deformation in the S7-S7 section can be slightly tolerated.
  • the S10-S10 section and the S11-S11 section have raised surfaces at sites corresponding to the wedge-shaped bones 20 to 24 and the scaphoid 16, which constitute the medial vertical arch.
  • the insole 1 of the present invention supports not only a portion corresponding to the cubic bone 18 and the calcaneal tuberosity 12A, but also supports other portions in consideration of stability. However, it is not a configuration that restricts the movement of the foot. Therefore, in the cross section, the lightening portion 72 is provided on the insole body 160, and can sink down inside the cubic bone supporting projection 80. Therefore, even when a force acts on a portion corresponding to the wedge-shaped bones 20 to 24 and the scaphoid 16, the insole body 160 is deformed by the lightened portion 72 and the stress is reduced.
  • Sections S11-S11 through S13-S13 are portions corresponding to the cubic bone 18 and include the cubic bone supporting projection 80 having the maximum thickness.
  • the surface 80A of the cubic bone supporting projection 80 is inclined downward and forward from a portion corresponding to the cubic bone 18 to gradually decrease its thickness.
  • the cubic bone supporting projection 80 corresponding to the cubic bone 18 exerts the maximum stress on the sole surface of the foot.
  • the insole 1 has a configuration in which the stress gradually and gradually decreases as the distance from the cubic bone supporting projection 80 increases and decreases.
  • the S12-S12 section and the S13-S13 section are also portions corresponding to the calcaneal tuberosity 12A, and have the calcaneus anterior portion support projection 90 having the maximum thickness.
  • the surface 90A of the anterior calcaneous support 90 is inclined downward and forward from a portion corresponding to the calcaneal tuberosity 12A to gradually decrease its thickness.
  • the insole 1 has a configuration in which the stress gradually decreases gradually as it moves back and forth from the calcaneal front support projection 90.
  • the portion in contact with the shoe is flat at the portion corresponding to the calcaneal tuberosity 12A, that is, on the back side of the calcaneal front support projection 90. With this configuration, a reaction force always acts on the calcaneal tuberosity 12A from the shoe.
  • the surface of the S14-S14 section is raised at a portion corresponding to the fifth metatarsal bone 34 constituting the outer longitudinal arch.
  • This part is located outside the cubic bone support projection 80 and the calcaneus front support projection 90, and has some swelling in consideration of stability. However, it is not a configuration that restricts the movement of the foot.
  • a lightening portion 74 is provided at a portion corresponding to the outer vertical arch, so that the insole 1 can sink below the cubic bone supporting projection 80 and the calcaneus frontal supporting projection 90. Even when a force acts on the fifth metatarsal bone 34 of the outer vertical arch, the insole body 160 is deformed by the lightened portion 74 to relieve stress.
  • the cubic bone 18 is supported with the cubic bone supporting projection 80 as the apex. Since the cubic bone 18 is supported from below, the foot maintains a neutral position (neutral) in the left-right and front-rear directions, while supination is allowed in supination movement with the cubic bone 18 as a fulcrum and varus in supination movement. Is acceptable.
  • the insole 1 does not hinder the normal movement of the joint, and there is little need for compensation in other parts, and the center of gravity can be easily moved in the front, rear, left, and right directions.
  • the insole 1 does not restrain the foot in a fixed manner like a cast, but the surface is inclined downward in the radial direction from the cubic bone supporting projection 80 to relieve stress. Is provided to allow the insole 1 to be easily deformed, thereby permitting exercise.
  • the insole 1 is configured to support a portion corresponding to the cubic bone 18 from below, and smoothly induces pronation and supination while correcting and preventing excessive distortion of the foot skeleton.
  • FIG. 5 shows the arch of the sole of the foot.
  • An arch (shown schematically by a broken line) 119 is formed on the sole of the human foot in a natural state when walking or running.
  • the arch 119 includes an inner vertical arch 121 and an outer vertical arch 122 formed in the longitudinal direction of the foot, and a lateral arch 120 formed in the lateral direction of the foot.
  • the horizontal arch 120 is formed across the first to fifth metatarsals 26 to 34 as shown in FIG.
  • the medial vertical arch 121 is formed across the calcaneus 12, the talus 14, the scaphoid 16, the three wedges 20 to 24, and the first to third metatarsals 26 to 30.
  • the outer vertical arch 122 is formed across the calcaneus 12, the cubic bone 18, and the fourth to fifth metatarsals 32, 34.
  • FIG. 6 is a view showing the principle that the weight F of the user acts on the calcaneus 12 from the tibia 68 via the talus 14 when the insole 1 is worn.
  • the calcaneus 12 supports the weight F of the user.
  • the front upper end 12B of the calcaneus becomes the power point P1
  • the lower end of the calcaneus (rear part of the calcaneus) 12C becomes the fulcrum P2, so that a moment about the fulcrum P2 acts on the calcaneus 12.
  • the calcaneus 12 can be stabilized by the calcaneus front support projection 90 supporting the calcaneal nodule 12A substantially immediately below the point of force P1.
  • the calcaneal tubercle 12A is at a distance from the lower end 12C of the calcaneus, which is the fulcrum P2
  • the calcaneal frontal support protrusion 90 is provided at a position corresponding to the calcaneal tubercle 12A, so that the calcaneal tuber efficiently with a small force.
  • the bone 12 can be supported.
  • the weight F of the user also acts on the cubic bone 18 via the calcaneus 12.
  • the first to fifth metatarsal heads 26A to 34A serve as the fulcrum P3, so that a moment about the fulcrum P3 acts on the cubic bone 18.
  • the cubic bone supporting projection 80 supports the cubic bone 18 immediately below the power point P1, so that the cubic bone 18 can be stabilized.
  • the cubic bone 18 is at a distance from the first to fifth metatarsal heads 26A to 34A serving as the fulcrum P3, the provision of the cubic bone supporting projection 80 at a portion corresponding to the cubic bone 18 allows a small force. Therefore, the cubic bone 18 can be supported efficiently.
  • the calcaneus 12 is difficult to stabilize simply by supporting the cubic bone 18, and the joint (the heel cubic joint) between the cubic bone 18 and the calcaneus 12 may be distorted. Since the calcaneus 12 simultaneously constitutes both the inner vertical arch 121 and the outer vertical arch 122, the vertical arch cannot be maintained at a normal position unless the calcaneus 12 is stable.
  • the calcaneal tuberosity 12A at the front of the calcaneus 12 is formed so that the middle part of the calcaneus 12 and the long plantar ligament 64 connecting the second to fifth metatarsal bones 28 to 34 overlap. positioned.
  • the long plantar ligament 64 also serves to maintain the longitudinal arch.
  • the calcaneous front support projection 90 supports the calcaneal tuberosity 12A via the long plantar ligament 64, so that the calcaneus 12 can be stabilized, the distortion of the heel cubic joint can be reduced, and the vertical arch can be reduced. It can be in a normal position. This allows the vertical arch to function more effectively as a spring. In particular, since the function of maintaining the longitudinal arch of the long plantar ligament 64 is reduced at night compared to the daytime, it is effective to support the long plantar ligament 64.
  • the anterior calcaneal support projection 90 includes a portion 4 corresponding to the calcaneal tubercle 12A at a position where the long plantar ligament 64 overlaps.
  • the anterior calcaneous support ridge 90 not only supports the long plantar ligament 64 to promote passive stabilization of the foot arch, but also the long fibula important for active stabilization of the lateral longitudinal arch via the long plantar ligament 64.
  • the muscle supports the tendon 66.
  • passive stability is provided by ligaments
  • active stability is provided by muscles (tendons).
  • the stop tendon 66 of the peroneus longus muscle is wound around the cubic bone 18, traverses the sole from the outer edge of the foot, and forms the bottom of the first cuneiform bone 20 and the first metatarsal bone 26. To stop. Further, a part of the calcaneal front support projection 90 is located below the cubic bone 18 and supports the scaphoid 16 via the cubic bone 18.
  • the stop tendon 67 of the tibialis posterior muscle projects the fascia to the first to third wedge-shaped bones 20 to 24, the second to third metatarsal bones 28 and 30, and the scaphoid 16.
  • the insole body 160 has a configuration in which the surface is inclined downward in the radial direction about the cubic bone supporting projection 80 to relieve stress, so that the joint of the calcaneus 12 can be allowed to move.
  • the calcaneal front support projection 90 is formed of a relatively soft material, and a portion where the thickness becomes maximum by the weight of the user sinks, and supports the calcaneal tuberosity 12A.
  • the insole 1 When the calcaneus front support projection 90 sinks, the insole 1 is inclined downward in the front, rear, left, and right radial directions around the cubic bone support projection 80 to support the foot with the cubic bone 18 as a fulcrum, The movement of the foot around the cubic bone supporting projection 80 is allowed.
  • the anterior calcaneal support projection 90 abuts the calcaneal tuberosity (the anterior calcaneal part of the foot) 12A, and maintains the medial longitudinal arch 121, lateral longitudinal arch 122, and lateral arch 120 of the foot.
  • the calcaneus front support projection 90 can stably support the calcaneus 12, and the lateral arch 120, the inner vertical arch 121, and the outer vertical arch 122 of the sole are maintained in a natural shape, and the foot Stability and mobility can be improved.
  • the bulging portion 100 is moved to the first metatarsal head of the foot.
  • the toe ball) 26A and the second to fifth metatarsal heads (small toe balls) 28A to 34A are configured to be supported.
  • the calcaneus front support projection 90 is in a state in which the constraint of the toes is released while maintaining the state of the arch of the foot.
  • the midsole of the shoe has a higher heel side and a lower toe side to make it easier to walk.However, because the toe side is low, force is easily applied to the toe side when weight is applied, and the entire toe Almost pressed against the midsole 7. For this reason, the toes are difficult to move, and the natural movement of the toes may be hindered, and the toes are difficult to obtain a natural exercise stimulus.
  • the swelling portion 100 holds the toe ball 26A and the little toe ball 34A at a position higher than the midsole 7 of the shoe. In this case, it is easy to approach the horizontal, the weight is less likely to be applied to the toe side in front of the fulcrum P3 (see FIG. 6), and the toes of the toes can be easily moved.
  • the insole body 160 includes the calcaneal front support projection 90.
  • the user of the insole 1 operates such that the toes are raised while the arches 120 to 122 of the sole keep the natural shape, and the toes naturally grasp the ground during walking or running. Easier to do. Therefore, when going up or down a hill or a stair, force is easily applied to the toe side, and the toes can easily obtain stimulation of ideal movement.
  • a decrease in the physical function of the foot can be easily suppressed.
  • the training of the toes can be performed only by walking while wearing the shoes on which the insole 1 of this configuration is mounted.
  • the insole 1 also includes the cubic bone supporting projection 80, the skeleton balance of the foot is adjusted, stability and mobility are further improved, and training is further facilitated.
  • the insole front part 110 is thinner than the bulging part 100, the degree of freedom of the fingers in front of the first to fifth distal phalanxes 54 to 62 of the foot is further increased.
  • the so-called insole front 110 on which the toe rides including the proximal phalanxes 36 to 44, the middle phalanxes 46 to 52, and the distal phalanxes 54 to 62 in FIG.
  • This can be easily performed when the ball 26A and the toe ball 34A are softer than the bulging portion 100 on which the ball 26A rides.
  • the insole front part 110 is thinner and softer than the bulging part 100, the toes can be easily moved. Therefore, it is possible to easily perform a walking operation such as grasping the ground with the toes, and it is possible to enhance the exercise effect.
  • the exercise effect can be enhanced while maintaining the stability and mobility of the body by maintaining the shape of the arch of the sole.
  • a gap 111 is formed between a portion near the bulging portion 100 and the midsole 7 of the shoe. Therefore, it is easy to push the insole front portion 110 of the insole 1 from above toward the gap 111.
  • a V-shaped concave portion 105 is also formed in the bulging portion 100, and the space between the toe ball portion 103 and the other toe ball portion 104 becomes thin, so that the insole front portion 110 can be easily pushed by the toe toward the gap 111. .
  • it is easy to bend the toes and to apply force to the toes, and the operation of grasping the ground with the toes can be easily performed.
  • the swelling portion 100 has the flat surface portion 100A in contact with the sole, it is less likely to hinder the movement of the foot than in the case where the uneven shape contacts the sole.
  • the bulging portion 100 is formed wide in the front-rear direction. The bulging portion 100 can support the toe ball 26A and the toe ball 34A.
  • the shoe insole 1 of the present embodiment has a front calcaneal abutment with the front calcaneus 12A of the foot in order to maintain the inner vertical arch 121, the outer vertical arch 122, and the horizontal arch 120 of the foot.
  • the part support protrusion 90 and the calcaneal front support protrusion 90 support the toe ball 26A and the toe ball 34A of the foot while maintaining the inner vertical arch 121, the outer vertical arch 122, and the horizontal arch 120.
  • an insole front portion 110 which is thinner than the bulging portion 100 in front of the bulging portion 100. Therefore, while maintaining the shape of the arches 120 to 122 of the sole in a natural state and ensuring the stability and mobility of the body, it is easy for the toes to perform the action of grasping the ground, and the toes are trained. Can be performed.
  • the surface 1A is flat from the insole front portion 110 to the bulging portion 100, and the bulging portion 100 bulges downward. Therefore, the bulging portion 100 comes into contact with the midsole 7 of the shoe, and the surface portion 100A forming the surface 1A of the bulging portion 100 comes into contact with the sole with a flat surface, so that the toes can be easily moved.
  • the front edge of the bulging portion 100 extends on a line connecting the first base phalanx 36 to the fifth base phalanx 44 of the foot, and the first base phalanx 36 and the second base phalanx 44
  • a V-shaped concave portion 105 is formed at the front edge portion between the holes 38 and is recessed rearward. Therefore, the toes, that is, the insole 1 corresponding to the first base phalanx 36 and the first distal phalanx 54 can be easily pushed downward, and the toe can easily perform the operation of gripping the ground.
  • the arcuate concave portion 106 is formed at the rear edge of the bulging portion 100, and the widthwise central portion is depressed forward. Therefore, it is difficult for the user to feel the boundary of the bulging portion 100 on the sole, and the sense of incongruity can be reduced.
  • the thickness of the bulging portion 100 at the outer peripheral portion is gradually reduced. Therefore, since the outer peripheral portion 102 of the bulging portion 100 can be gradually deformed according to the weight, it is possible to reduce a sense of discomfort to the foot.
  • the cubic bone supporting projection 80 is arranged so as to overlap the calcaneus frontal supporting projection 90, and the cubic bone supporting projection 80 is a portion corresponding to the cuboid bone 16 from the scapula 16 of the foot.
  • Increasingly decreasing the thickness by tilting down toward the left and right side edges, and gradually decreasing the thickness by tilting down from front to back from the portion corresponding to the cubic bone 18, to increase the thickness in the front, rear, left and right radial directions Decrease gradually.
  • the cuboid 18 and the calcaneus are maintained in a state where the arch shape including the heel cuboid joint of the cuboid 18 and the calcaneus 12 is maintained and the foot is allowed to move. Since the 12 is stabilized, the distortion of the heel cubic joint is reduced, and the entire tarsal bone including the cuboid 18 and the calcaneus 12 is stabilized in a natural state. As a result, the joint of the foot moves freely, and the function of the foot can be enhanced.
  • the above embodiment is an aspect of the present invention, and it is needless to say that the embodiment can be appropriately changed without departing from the spirit of the present invention.
  • the insole body 160 is formed integrally, but the separate convex portion 2 and the bulging portion 100 may be detachably attached to a flat insole material.
  • the cubic bone support projection 80, the calcaneal front support projection 90, and the bulge 100 were formed solid, the cubic bone support ridge 80, the calcaneus front support projection 90, and the bulge 100 were formed.
  • the interior of the surfaces 80A, 90A, 101 may be hollow.
  • the shoe insole according to the present invention is intended to improve the standing posture and the athletic function. Not only shoes used daily but also sports shoes pursuing functionality such as skiing and soccer, and therapeutic shoes can be used. It is widely suitable for various shoes, such as medical shoes for rehabilitation and training shoes for health promotion.

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Abstract

The objective of the present invention is to provide a shoe insole which makes it easy for toes to perform an action of grasping the ground surface, in a state in which stability and mobility are maintained. A shoe insole 1 is provided with a heel bone front portion supporting convex portion 90 which abuts a heel bone front portion 12A of the foot in order to maintain the medial longitudinal arch 121, the lateral longitudinal arch 122, and the anterior transverse arch 120, and a ball supporting portion 100 which supports the inner ball 26A and the outer ball 34A of the foot, in a state in which the medial longitudinal arch 121, the lateral longitudinal arch 122, and the anterior transverse arch 120 are being maintained by the heel bone front portion supporting convex portion 90, wherein an insole front portion 110 that is thinner than the ball supporting portion 100 is provided in front of the ball supporting portion 100.

Description

靴用インソールShoe insoles
　本発明は、靴用インソールに関する。 The present invention relates to a shoe insole.
　従来、靴用インソールが、踵骨前部を足底から支持する踵骨前部支持凸部を備えた構成が知られている（例えば、特許文献１参照）。
　特許文献１では、踵骨前部支持凸部により、踵骨を安定させ、足底のアーチを自然な形状に維持して足をバランス良く支持している。従来の靴用インソールでは、足のバランスをとり易くすると共に、歩行時、走行時の推進力を生み出し易くし、安定性と運動性の両立を図っている。 2. Description of the Related Art Conventionally, a configuration has been known in which a shoe insole includes a calcaneal front support protrusion that supports the calcaneal front from the sole (see, for example, Patent Document 1).
In Patent Literature 1, the calcaneus is supported stably by the calcaneal front support projection, and the foot arch is maintained in a natural shape to support the foot in a well-balanced manner. In the conventional shoe insole, it is easy to balance the foot, and it is easy to generate a propulsive force at the time of walking and running, thereby achieving both stability and mobility.
国際公開第２０１４／２０３３９９号International Publication No. WO 2014/203399
　しかしながら、上述した従来のインソールでは、安定性と運動性の両立は図れるものの、歩行時の運動効果を得難いという課題がある。
　そこで、本発明の目的は、安定性と運動性を確保すると共に、運動効果を得易くした、靴用インソールを提供することにある。 However, the above-mentioned conventional insole has a problem that although it is possible to achieve both stability and mobility, it is difficult to obtain a movement effect during walking.
Accordingly, an object of the present invention is to provide an insole for shoes that ensures stability and movability and facilitates obtaining a kinetic effect.
　本発明の靴用インソールは、足の内側縦アーチ、外側縦アーチ及び横アーチを維持するために、足の踵骨前部に当接する踵骨前部支持凸部と、前記踵骨前部支持凸部が、内側縦アーチ、外側縦アーチ及び横アーチを維持した状態で、足の母趾球と小趾球とを支持する趾球支持部と、を備え、前記趾球支持部の前方に、当該趾球支持部よりも肉薄のインソール前部を備えたことを特徴とする。 The shoe insole according to the present invention includes: a front calcaneus support projection that contacts the front calcaneus of the foot; and The convex portion has a toe ball support portion that supports the toe ball and the toe ball of the foot while maintaining the inner vertical arch, the outer vertical arch, and the lateral arch, and is provided in front of the toe ball support portion. And an insole front portion that is thinner than the toe ball support portion.
　本発明によれば、踵骨前部支持凸部が、足の内側縦アーチ、外側縦アーチ及び横アーチを維持した状態で、趾球支持部が、足の母趾球と小趾球とを支持するため、足のアーチの状態を維持したまま、足の第１から第５基節骨の前の、足の指の拘束が解かれた状態となる。したがって、歩行時又は走行時には、足のアーチ状態を維持したまま、足の指がフリー状態となり、足の指で地面を掴む歩行動作が可能になる。
　また、本発明によれば、インソール前部が、趾球支持部よりも肉薄となっているため、足の指の自由度がさらに高まり、足の指で地面を掴むような歩行動作を容易に行うことができ、運動効果を高めることができる。 According to the present invention, the anterior calcaneal support projections maintain the medial longitudinal arch, the lateral longitudinal arch, and the lateral arch of the foot, and the toe ball support section allows the toe ball and the toe ball of the foot to move. In order to support, the restraint of the toes in front of the first to fifth phalanx of the foot is released while maintaining the state of the arch of the foot. Therefore, at the time of walking or running, the toes are in a free state while maintaining the arch state of the feet, and a walking operation of grasping the ground with the toes can be performed.
Further, according to the present invention, since the front part of the insole is thinner than the ball supporting part, the degree of freedom of the toes is further increased, and the walking operation of grasping the ground with the toes can be easily performed. Can be performed, and the exercise effect can be enhanced.
　本発明によれば、足底のアーチの形状を維持して身体の安定性、運動性を確保しながら、足の指で地面を掴む動作を行わせ易くし、運動効果を高めることができる。 According to the present invention, while maintaining the shape of the arch of the sole and securing the stability and mobility of the body, it is easy to perform the operation of grasping the ground with the toes, and the exercise effect can be enhanced.
図１は、本発明の実施形態に係るインソールを示す斜視図である。FIG. 1 is a perspective view showing an insole according to the embodiment of the present invention. 図２は、足の骨格を重ね合わせたインソールを示す底面図である。FIG. 2 is a bottom view showing the insole in which the skeletons of the feet are overlapped. 図３は、インソールを示す横方向断面図であり、図３（Ａ）は図２のＳ０－Ｓ０断面図、図３（Ｂ）は図２のＳ１－Ｓ１断面図、図３（Ｃ）は図２のＳ２－Ｓ２断面図、図３（Ｄ）は図２のＳ３－Ｓ３断面図、図３（Ｅ）は図２のＳ４－Ｓ４断面図、図３（Ｆ）は図２のＳ５－Ｓ５断面図、図３（Ｇ）は図２のＳ６－Ｓ６断面図、図３（Ｈ）は図２のＳ７－Ｓ７断面図である。3 is a lateral sectional view showing the insole, FIG. 3 (A) is a sectional view taken along line S0-S0 of FIG. 2, FIG. 3 (B) is a sectional view taken along line S1-S1 of FIG. 2, and FIG. FIG. 3D is a cross-sectional view of S3-S3 in FIG. 2, FIG. 3E is a cross-sectional view of S4-S4 in FIG. 2, and FIG. FIG. 3G is a sectional view taken along S6-S6 in FIG. 2, and FIG. 3H is a sectional view taken along S7-S7 in FIG. 図４は、インソールを示す縦方向断面図であり、図４（Ａ）は図２のＳ１０－Ｓ１０断面図、図４（Ｂ）は図２のＳ１１－Ｓ１１断面図、図４（Ｃ）は図２のＳ１２－Ｓ１２断面図、図４（Ｄ）は図２のＳ１３－Ｓ１３断面図、図４（Ｅ）は図２のＳ１４－Ｓ１４断面図である。4 is a longitudinal sectional view showing the insole, FIG. 4 (A) is a sectional view taken along S10-S10 of FIG. 2, FIG. 4 (B) is a sectional view taken along S11-S11 of FIG. 2, and FIG. FIG. 4D is a sectional view taken along S13-S13 of FIG. 2, and FIG. 4E is a sectional view taken along S14-S14 of FIG. 図５は、足底のアーチの説明図である。FIG. 5 is an explanatory diagram of the arch of the sole. 図６は、インソールと足との関係を示す縦方向断面図であり、インソールは図２のＳ１３－Ｓ１３断面図と同一である。FIG. 6 is a longitudinal sectional view showing the relationship between the insole and the foot, and the insole is the same as the S13-S13 sectional view in FIG.
　以下、図面を参照して本発明の実施形態について説明する。
　本実施形態の図面では、左右の一方のインソール１及び足の骨格を示す。他方のインソール１及び足の骨格は鏡像対象となる。
　図１は、本実施形態に係るインソール１を示す斜視図である。
　インソール（靴用インソール）１は、インソール本体１６０を備え、インソール本体１６０は、平面視において靴の内部輪郭に倣った形状であり、靴の内部に収納される外縁輪郭７０を備えている。外縁輪郭７０を靴の内部輪郭に適合させることで、インソール１挿入時に靴の中でそのインソール１は所定の位置に装着される。インソール１を使用する者の足の形状には個人差があり、一定でないので、インソール１の全体の大きさは使用者の足のサイズに応じて選定される。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
In the drawings of the present embodiment, one of the left and right insoles 1 and the skeleton of the foot are shown. The other insole 1 and the skeleton of the foot are mirror images.
FIG. 1 is a perspective view showing an insole 1 according to the present embodiment.
The insole (shoe insole) 1 includes an insole body 160. The insole body 160 has a shape following the inner contour of the shoe in plan view, and includes an outer edge contour 70 housed inside the shoe. By fitting the outer contour 70 to the inner contour of the shoe, the insole 1 is fitted in place in the shoe when the insole 1 is inserted. Since the shape of the foot of the user who uses the insole 1 varies from person to person and is not constant, the overall size of the insole 1 is selected according to the size of the foot of the user.
　図２は、足の骨格を重ね合わせたインソール１を示す底面図である。この図面は下方から見た図面であり、骨同士が重なり合っているために骨の一部が隠れていることに留意されたい。足の表から見た平面図は、図２の底面図とは骨の重なり方が異なる。 FIG. 2 is a bottom view showing the insole 1 in which the skeletons of the feet are superimposed. It should be noted that this drawing is a drawing viewed from below, and a part of the bone is hidden due to the overlapping of the bones. The plan view seen from the front of the foot differs from the bottom view in FIG. 2 in the way the bones overlap.
　図２に示されるように、足の骨格構造１０は、踵骨１２、距骨１４、舟状骨１６、立方骨１８、第１～第３楔状骨２０，２２，２４、第１～第５中足骨２６，２８，３０，３２，３４、第１～第５基節骨３６，３８，４０，４２，４４、第２～第５中節骨４６，４８，５０，５２、第１～第５末節骨５４，５６，５８，６０，６２より構成される。第１～第５中足骨２６，２８，３０，３２，３４の前端部は、第１～第５中足骨頭部２６Ａ（母趾球２６Ａとも言う。），２８Ａ，３０Ａ，３２Ａ，３４Ａ（小趾球３４Ａとも言う。）である。踵骨１２の前部に位置する段状の部分は、踵骨前部（踵骨結節とも言う。）１２Ａである。なお、図２では、舟状骨１６のみ、骨同士の重なりによる隠れた部分を破線で示す。 As shown in FIG. 2, the skeletal structure 10 of the foot includes a calcaneus 12, a talus 14, a scaphoid 16, a cuboid 18, a first to third wedges 20, 22, 24, and a first to fifth medium. Foot bones 26, 28, 30, 32, 34, first to fifth proximal phalanxes 36, 38, 40, 42, 44, second to fifth intermediate phalanxes 46, 48, 50, 52, first to fifth It is composed of five terminal phalanxes 54, 56, 58, 60, 62. The front ends of the first to fifth metatarsal bones 26, 28, 30, 32, and 34 are connected to the first to fifth metatarsal heads 26A (also referred to as the toe ball 26A), 28A, 30A, 32A, and 34A ( 34A). The step-shaped portion located at the front part of the calcaneus 12 is the front part of the calcaneus (also referred to as calcaneal tuberosity) 12A. Note that, in FIG. 2, only the scaphoid 16 is shown by a broken line, the portion hidden by the overlapping of the bones.
　本構成では、図１及び図２に示すように、インソール本体１６０の表面（上面）１Ａに、凸状部２を構成する立方骨支持凸部８０及び踵骨前部支持凸部９０が形成されている。立方骨支持凸部８０は立方骨１８に相当する部分に設けられ、踵骨前部支持凸部９０は踵骨結節１２Ａに相当する部位に設けられる。立方骨支持凸部８０及び踵骨前部支持凸部９０は中実に形成されている。 In this configuration, as shown in FIGS. 1 and 2, a cubic bone supporting convex portion 80 and a calcaneal frontal supporting convex portion 90 constituting the convex portion 2 are formed on the surface (upper surface) 1 </ b> A of the insole body 160. ing. The cubic bone supporting projection 80 is provided at a portion corresponding to the cubic bone 18, and the calcaneal front supporting projection 90 is provided at a portion corresponding to the calcaneal tubercle 12A. The cubic bone support projection 80 and the calcaneus front support projection 90 are formed solid.
　踵骨前部支持凸部９０は、立方骨支持凸部８０上に設けられており、踵骨前部支持凸部９０の表面が立方骨支持凸部８０の表面に重なり合って、一つの凸状部２を形成している。立方骨支持凸部８０及び踵骨前部支持凸部９０は、相互に一体であってもよいし、別体であってもよく、また、平坦なインソールと別体に形成されることもある。なお、図２では、踵骨前部支持凸部９０は、当該踵骨前部支持凸部９０の高さを示す等高線とともに模式的に図示されている。 The anterior calcaneous support projection 90 is provided on the cubic bone support convex part 80, and the surface of the calcaneal front support convex part 90 overlaps the surface of the cubic bone support convex part 80 to form one convex shape. A part 2 is formed. The cubic bone support projection 80 and the calcaneal front support projection 90 may be integral with each other or separate from each other, or may be formed separately from a flat insole. . In FIG. 2, the calcaneal front support protrusion 90 is schematically illustrated along with contour lines indicating the height of the calcaneal front support protrusion 90.
　インソール本体１６０の裏面（下面）１Ｂには、足の第１中足骨頭部（母趾球）２６Ａと、第２～第５中足骨頭部（小趾球）２８Ａ～３４Ａと、を支持する趾球支持部（以下、膨出部という。）１００が形成されている。この膨出部１００は、インソール本体１６０の裏面（下面）１Ｂから下方へ膨出している。膨出部１００は、底面視で前縁部が第１基節骨３６から第５基節骨４４を結ぶ線上を延びている。膨出部１００の前方には、インソール本体１６０のインソール前部１１０が形成され、インソール前部１１０の厚さは、膨出部１００の厚さよりも肉薄である。 On the back surface (lower surface) 1B of the insole body 160, the first metatarsal head (ball of the foot) 26A of the foot and the second to fifth metatarsal heads (balls of the little toe) 28A to 34A are supported. A ball support portion (hereinafter, referred to as a bulging portion) 100 is formed. The bulging portion 100 bulges downward from the back surface (lower surface) 1B of the insole body 160. The bulging portion 100 has a front edge extending on a line connecting the first proximal phalanx 36 to the fifth proximal phalanx 44 in a bottom view. The insole front part 110 of the insole body 160 is formed in front of the bulging part 100, and the thickness of the insole front part 110 is thinner than the thickness of the bulging part 100.
　図３は、インソール１を示す横方向断面図であり、図４は、インソール１を示す縦方向断面図である。なお、図３、図４において、（Ｓ０－Ｓ０）～（Ｓ７－Ｓ７）、（Ｓ１０－Ｓ１０）～（Ｓ１４－Ｓ１４）は、図２における、（Ｓ０－Ｓ０）～（Ｓ７－Ｓ７）、（Ｓ１０－Ｓ１０）～（Ｓ１４－Ｓ１４）に対応する。 FIG. 3 is a transverse sectional view showing the insole 1 and FIG. 4 is a longitudinal sectional view showing the insole 1. 3 and 4, (S0-S0) to (S7-S7), (S10-S10) to (S14-S14) correspond to (S0-S0) to (S7-S7) in FIG. This corresponds to (S10-S10) to (S14-S14).
　Ｓ０－Ｓ０断面は、第１末節骨５４、第２～第３中節骨４６，４８付近を横切る断面であり、該断面のインソール本体１６０すなわちインソール前部１１０は平坦である。
　Ｓ１－Ｓ１断面は、第１～第４基節骨３６～４２、第５末節骨６２付近を横切る断面であり、インソール本体１６０の裏面１Ｂには膨出部１００を備える。
　膨出部１００には、足の母趾球２６Ａを支持する母趾球部１０３と、第２～第４中足骨頭部２８Ａ～３２Ａや小趾球３４Ａを支持する他趾球部１０４とが形成されており、母趾球部１０３と他趾球部１０４との間には、Ｖ字凹部１０５が形成されている。外周部１０２は、膨出部１００の外側ほど厚みが漸減して上方に傾斜している。 The S0-S0 cross section is a cross section that crosses the vicinity of the first distal phalanx 54 and the second and third middle phalanxes 46 and 48, and the insole body 160 of the cross section, that is, the insole front portion 110 is flat.
The S1-S1 cross section is a cross section that crosses the vicinity of the first to fourth base phalanxes 36 to 42 and the fifth end phalanx 62, and the insole body 160 includes a bulging portion 100 on the back surface 1B.
The bulging portion 100 includes a toe ball portion 103 that supports the toe ball 26A of the foot, and a toe ball portion 104 that supports the second to fourth metatarsal heads 28A to 32A and the toe ball 34A. A V-shaped recess 105 is formed between the toe ball portion 103 and the other toe ball portion 104. The outer peripheral portion 102 gradually decreases in thickness toward the outside of the bulging portion 100 and is inclined upward.
　Ｓ２－Ｓ２断面は、第１中足骨頭部２６Ａと第５中足骨頭部３４Ａとを横切る断面である。この部分のインソール本体１６０は、表面１Ａに平坦な表面部１００Ａを備え、裏面１Ｂには下方に膨出する膨出部１００を備える。膨出部１００は平坦な本体部１０１と、厚みが漸減する外周部１０２を備える。 The S2-S2 cross section is a cross section that crosses the first metatarsal head 26A and the fifth metatarsal head 34A. The insole body 160 in this portion includes the flat surface portion 100A on the front surface 1A, and the bulging portion 100 bulging downward on the back surface 1B. The bulging portion 100 includes a flat main body portion 101 and an outer peripheral portion 102 whose thickness is gradually reduced.
　Ｓ３－Ｓ３断面は、中足骨２６～３４を横切る断面である。この部分のインソール本体１６０は、表面１Ａに平坦な表面部１００Ａを備え、裏面１Ｂには膨出部１００を備える。膨出部１００の後縁部には、底面視で幅方向中央部が前方に円弧状に凹んだ円弧凹部１０６が形成されている。 The S3-S3 cross section is a cross section that crosses the metatarsal bones 26-34. The insole body 160 in this portion includes the flat surface portion 100A on the front surface 1A and the bulging portion 100 on the back surface 1B. At the rear edge of the bulging portion 100, an arc-shaped concave portion 106 is formed in which a central portion in the width direction is concavely arcuate forward in a bottom view.
　Ｓ４－Ｓ４断面は、中足骨２６～３４を横切る横アーチに相当する部位であり、インソール本体１６０は、一般的な足に対応して土踏まずに相当する部位で厚みが厚く、右足外側に向けて表面側が下傾して厚みが漸減する。また、左右内外側の裏面には、平坦部分の両側において肉抜き部分７２，７４が形成されており、Ｓ４－Ｓ４断面における左右への変形を若干許容できるようになっている。 The S4-S4 cross section is a portion corresponding to a transverse arch crossing the metatarsal bones 26 to 34. The insole body 160 is thicker at a portion corresponding to the arch, corresponding to a general foot, and is directed to the outside of the right foot. As a result, the surface side tilts down and the thickness gradually decreases. Lightening portions 72 and 74 are formed on both sides of the flat portion on the right and left inner and outer back surfaces, so that the left and right deformation in the S4-S4 cross section can be slightly tolerated.
　Ｓ５－Ｓ５断面は、立方骨１８に相当する部位であり、インソール本体１６０は、最大厚みの立方骨支持凸部８０を備えている。立方骨支持凸部８０の表面８０Ａは、立方骨１８に相当する部位から左右の両側縁７６に向って舟状骨１６に相当する部位３（図２）を含んで下傾して厚みを漸減させている。インソール本体１６０は、Ｓ５－Ｓ５断面において、最外縁に隆起縁部７８を備えている。 The S5-S5 cross section is a portion corresponding to the cubic bone 18, and the insole body 160 includes the cubic bone supporting projection 80 having the maximum thickness. The surface 80A of the cubic bone supporting projection 80 is inclined downward from the portion corresponding to the cubic bone 18 to the left and right side edges 76, including the portion 3 (FIG. 2) corresponding to the scaphoid 16 and gradually reduced in thickness. Let me. The insole body 160 has a raised edge portion 78 at the outermost edge in the S5-S5 cross section.
　Ｓ６－Ｓ６断面は、踵骨結節１２Ａを横切って、縦アーチ後方終点に相当する部位である。この部分のインソール本体１６０は、最大厚みの踵骨前部支持凸部９０を備え、その表面９０Ａは、踵骨結節１２Ａに相当する部位から左右の両側縁７６に向って舟状骨１６に相当する部位３（図２）を含んで下傾して厚みを漸減させている。 断面 S6-S6 cross section is a portion corresponding to the posterior end point of the vertical arch across the calcaneus tuberculosis 12A. The insole body 160 in this portion includes the calcaneous anterior support projection 90 having the maximum thickness, and its surface 90A corresponds to the scaphoid 16 from the portion corresponding to the calcaneal tuberosity 12A toward the left and right side edges 76. Including the part 3 (FIG. 2), the thickness is gradually reduced by downward inclination.
　Ｓ７－Ｓ７断面は、踵骨１２の後部を横切って、縦アーチ後方終点に相当する部位である。インソール本体１６０は、一般的な足に対応して踵を支持するように表面１Ａ側は比較的平坦である。また、インソール本体１６０は、両側に向けて表面１Ａ側が上傾して厚みが漸増し、最外縁に隆起縁部７８を備えている。左右内外側の裏面には、肉抜き部分７２，７４が形成されており、Ｓ７－Ｓ７断面における左右への変形を若干許容できるようになっている。 断面 S7-S7 cross section is a portion that crosses the rear part of the calcaneus 12 and corresponds to the rear end point of the vertical arch. The insole body 160 has a relatively flat surface 1A so as to support the heel corresponding to a general foot. Further, the insole body 160 gradually increases in thickness by inclining the surface 1A toward both sides, and has a raised edge portion 78 at the outermost edge. Lightening portions 72 and 74 are formed on the left and right inner and outer rear surfaces, respectively, so that the left and right deformation in the S7-S7 section can be slightly tolerated.
　Ｓ１０－Ｓ１０断面及びＳ１１－Ｓ１１断面は、内側縦アーチを構成する楔状骨２０～２４、舟状骨１６に相当する部位において表面が隆起している。
　本発明のインソール１は、立方骨１８及び踵骨結節１２Ａに相当する部位だけを支持するのではなく、安定性を考慮して他の部分においても支持する。ただし、足の運動を拘束するような構成ではない。そのため、該断面では、インソール本体１６０に、肉抜き部分７２が設けられており、立方骨支持凸部８０の内側において沈下できる。そのため、楔状骨２０～２４、舟状骨１６に相当する部位に力が作用した場合においても、肉抜き部分７２によりインソール本体１６０が変形し、応力を緩和する。 The S10-S10 section and the S11-S11 section have raised surfaces at sites corresponding to the wedge-shaped bones 20 to 24 and the scaphoid 16, which constitute the medial vertical arch.
The insole 1 of the present invention supports not only a portion corresponding to the cubic bone 18 and the calcaneal tuberosity 12A, but also supports other portions in consideration of stability. However, it is not a configuration that restricts the movement of the foot. Therefore, in the cross section, the lightening portion 72 is provided on the insole body 160, and can sink down inside the cubic bone supporting projection 80. Therefore, even when a force acts on a portion corresponding to the wedge-shaped bones 20 to 24 and the scaphoid 16, the insole body 160 is deformed by the lightened portion 72 and the stress is reduced.
　Ｓ１１－Ｓ１１断面乃至Ｓ１３－Ｓ１３断面は、立方骨１８に相当する部位であり、最大厚みの立方骨支持凸部８０を備えている。立方骨支持凸部８０の表面８０Ａは、立方骨１８に相当する部位から前後に向って下傾して厚みを漸減させている。換言すると、インソール１を装着した靴内に足を入れて立位姿勢になったとき、立方骨１８に相当する立方骨支持凸部８０は、足裏面に最大応力を作用させる。インソール１は、立方骨支持凸部８０から前後に離れるに従い応力が緩徐に漸減する構成である。
　また、インソール１の底面側の構成として、靴に接する部位は立方骨１８に相当する部位、すなわち、立方骨支持凸部８０の裏側において平坦である。この構成により、立方骨１８には靴から常に反力が作用する。 Sections S11-S11 through S13-S13 are portions corresponding to the cubic bone 18 and include the cubic bone supporting projection 80 having the maximum thickness. The surface 80A of the cubic bone supporting projection 80 is inclined downward and forward from a portion corresponding to the cubic bone 18 to gradually decrease its thickness. In other words, when the foot is put in the shoe on which the insole 1 is mounted and the posture is in the standing position, the cubic bone supporting projection 80 corresponding to the cubic bone 18 exerts the maximum stress on the sole surface of the foot. The insole 1 has a configuration in which the stress gradually and gradually decreases as the distance from the cubic bone supporting projection 80 increases and decreases.
Further, as a configuration on the bottom surface side of the insole 1, a portion that comes into contact with the shoe is flat at a portion corresponding to the cubic bone 18, that is, at the back side of the cubic bone supporting projection 80. With this configuration, a reaction force always acts on the cubic bone 18 from the shoe.
　Ｓ１２－Ｓ１２断面及びＳ１３－Ｓ１３断面は、踵骨結節１２Ａに相当する部位でもあり、最大厚みの踵骨前部支持凸部９０を備えている。踵骨前部支持凸部９０の表面９０Ａは、踵骨結節１２Ａに相当する部位から前後に向って下傾して厚みを漸減させている。換言すると、インソール１は、踵骨前部支持凸部９０から前後に離れるに従い応力が緩徐に漸減する構成である。また、靴に接する部位は踵骨結節１２Ａに相当する部位、すなわち、踵骨前部支持凸部９０の裏側において平坦である。この構成により、踵骨結節１２Ａには靴から常に反力が作用する。 The S12-S12 section and the S13-S13 section are also portions corresponding to the calcaneal tuberosity 12A, and have the calcaneus anterior portion support projection 90 having the maximum thickness. The surface 90A of the anterior calcaneous support 90 is inclined downward and forward from a portion corresponding to the calcaneal tuberosity 12A to gradually decrease its thickness. In other words, the insole 1 has a configuration in which the stress gradually decreases gradually as it moves back and forth from the calcaneal front support projection 90. In addition, the portion in contact with the shoe is flat at the portion corresponding to the calcaneal tuberosity 12A, that is, on the back side of the calcaneal front support projection 90. With this configuration, a reaction force always acts on the calcaneal tuberosity 12A from the shoe.
　Ｓ１４－Ｓ１４断面は、外側縦アーチを構成する第５中足骨３４に相当する部位において表面が隆起している。
　当該部位は立方骨支持凸部８０及び踵骨前部支持凸部９０の外側に位置しており、安定性を考慮して若干の盛り上がりがある。ただし、足の運動を拘束するような構成ではない。外側縦アーチに相当する部位には肉抜き部分７４が設けられており、インソール１は、立方骨支持凸部８０及び踵骨前部支持凸部９０の外側においても沈下できるようになっている。外側縦アーチの第５中足骨３４に力が作用した場合においても、肉抜き部分７４によりインソール本体１６０が変形し、応力を緩和する。 The surface of the S14-S14 section is raised at a portion corresponding to the fifth metatarsal bone 34 constituting the outer longitudinal arch.
This part is located outside the cubic bone support projection 80 and the calcaneus front support projection 90, and has some swelling in consideration of stability. However, it is not a configuration that restricts the movement of the foot. A lightening portion 74 is provided at a portion corresponding to the outer vertical arch, so that the insole 1 can sink below the cubic bone supporting projection 80 and the calcaneus frontal supporting projection 90. Even when a force acts on the fifth metatarsal bone 34 of the outer vertical arch, the insole body 160 is deformed by the lightened portion 74 to relieve stress.
　本構成では、インソール１を装着した際、立方骨支持凸部８０を頂点として立方骨１８が支持される。立方骨１８が下方から支持されるので、足は左右前後への中立位（ニュートラル）を維持しながら、立方骨１８を支点として回内運動では外反を許容されるとともに回外運動では内反を許容される。
　これにより、インソール１が関節の正常な動きを妨げることなく、他の部位での代償の必要性も少なく前後左右への重心の移動が容易になる。すなわち、インソール１は、足をギプスのように固定的に拘束するのではなく、立方骨支持凸部８０から放射方向に表面が下傾して応力を緩和し、さらに、肉抜き部分７２，７４を設けてインソール１自体を変形しやすくすることで運動を許容する。インソール１は、立方骨１８相当部位を下方から支える形になり、足の骨格の過剰な歪みを補正、予防しながら回内運用及び回外運動をスムーズに誘導する。 In this configuration, when the insole 1 is worn, the cubic bone 18 is supported with the cubic bone supporting projection 80 as the apex. Since the cubic bone 18 is supported from below, the foot maintains a neutral position (neutral) in the left-right and front-rear directions, while supination is allowed in supination movement with the cubic bone 18 as a fulcrum and varus in supination movement. Is acceptable.
Thus, the insole 1 does not hinder the normal movement of the joint, and there is little need for compensation in other parts, and the center of gravity can be easily moved in the front, rear, left, and right directions. That is, the insole 1 does not restrain the foot in a fixed manner like a cast, but the surface is inclined downward in the radial direction from the cubic bone supporting projection 80 to relieve stress. Is provided to allow the insole 1 to be easily deformed, thereby permitting exercise. The insole 1 is configured to support a portion corresponding to the cubic bone 18 from below, and smoothly induces pronation and supination while correcting and preventing excessive distortion of the foot skeleton.
　図５は、足の裏のアーチを示す。
　人間の足の裏には、歩行時又は走行時に、自然な状態であれば、アーチ（破線で模式的に示す。）１１９が形成される。
　アーチ１１９は、足の長手方向に形成された、内側縦アーチ１２１及び外側縦アーチ１２２と、足の短手方向に形成された、横アーチ１２０とを含む。横アーチ１２０は、図２に示されるように、第１～第５中足骨２６～３４の間に跨って形成される。また、内側縦アーチ１２１は、踵骨１２、距骨１４、舟状骨１６、３個の楔状骨２０～２４、及び第１～第３中足骨２６～３０の間に跨って形成される。外側縦アーチ１２２は、踵骨１２、立方骨１８、第４～第５中足骨３２，３４の間に跨って形成される。 FIG. 5 shows the arch of the sole of the foot.
An arch (shown schematically by a broken line) 119 is formed on the sole of the human foot in a natural state when walking or running.
The arch 119 includes an inner vertical arch 121 and an outer vertical arch 122 formed in the longitudinal direction of the foot, and a lateral arch 120 formed in the lateral direction of the foot. The horizontal arch 120 is formed across the first to fifth metatarsals 26 to 34 as shown in FIG. The medial vertical arch 121 is formed across the calcaneus 12, the talus 14, the scaphoid 16, the three wedges 20 to 24, and the first to third metatarsals 26 to 30. The outer vertical arch 122 is formed across the calcaneus 12, the cubic bone 18, and the fourth to fifth metatarsals 32, 34.
　図６は、インソール１を装着した際、使用者の体重Ｆが、脛骨６８から距骨１４を介して踵骨１２に作用する原理を示す図である。
　この踵骨１２は、使用者の体重Ｆを支える要となる。踵骨１２では、踵骨前側上端１２Ｂが力点Ｐ１となり、踵骨下端（踵骨後部）１２Ｃが支点Ｐ２となるので、踵骨１２には、支点Ｐ２を中心としたモーメントが作用する。
　本構成では、踵骨前部支持凸部９０が、力点Ｐ１の略直下の踵骨結節１２Ａを支持することで、踵骨１２を安定させることができる。また、踵骨結節１２Ａは、支点Ｐ２となる踵骨下端１２Ｃから距離があるため、踵骨結節１２Ａに相当する部位に踵骨前部支持凸部９０を設けることで、小さな力で効率良く踵骨１２を支持できる。 FIG. 6 is a view showing the principle that the weight F of the user acts on the calcaneus 12 from the tibia 68 via the talus 14 when the insole 1 is worn.
The calcaneus 12 supports the weight F of the user. In the calcaneus 12, the front upper end 12B of the calcaneus becomes the power point P1, and the lower end of the calcaneus (rear part of the calcaneus) 12C becomes the fulcrum P2, so that a moment about the fulcrum P2 acts on the calcaneus 12.
In the present configuration, the calcaneus 12 can be stabilized by the calcaneus front support projection 90 supporting the calcaneal nodule 12A substantially immediately below the point of force P1. In addition, since the calcaneal tubercle 12A is at a distance from the lower end 12C of the calcaneus, which is the fulcrum P2, the calcaneal frontal support protrusion 90 is provided at a position corresponding to the calcaneal tubercle 12A, so that the calcaneal tuber efficiently with a small force. The bone 12 can be supported.
　立方骨１８にも、踵骨１２を介して使用者の体重Ｆが作用する。立方骨１８については、第１～第５中足骨頭部２６Ａ～３４Ａが支点Ｐ３となるので、立方骨１８には、支点Ｐ３を中心としたモーメントが作用する。
　本構成では、立方骨支持凸部８０が、力点Ｐ１の略直下の立方骨１８を支持することで、立方骨１８を安定させることができる。
　また、立方骨１８は、支点Ｐ３となる第１～第５中足骨頭部２６Ａ～３４Ａから距離があるため、立方骨１８に相当する部位に立方骨支持凸部８０を設けることで、小さな力なで効率良く立方骨１８を支持できる。 The weight F of the user also acts on the cubic bone 18 via the calcaneus 12. As for the cubic bone 18, the first to fifth metatarsal heads 26A to 34A serve as the fulcrum P3, so that a moment about the fulcrum P3 acts on the cubic bone 18.
In this configuration, the cubic bone supporting projection 80 supports the cubic bone 18 immediately below the power point P1, so that the cubic bone 18 can be stabilized.
Further, since the cubic bone 18 is at a distance from the first to fifth metatarsal heads 26A to 34A serving as the fulcrum P3, the provision of the cubic bone supporting projection 80 at a portion corresponding to the cubic bone 18 allows a small force. Therefore, the cubic bone 18 can be supported efficiently.
　ところで、立方骨１８を支持しただけでは、踵骨１２が安定し難く、立方骨１８と踵骨１２と関節（踵立方関節）に歪みが生じる場合がある。
　踵骨１２は、内側縦アーチ１２１及び外側縦アーチ１２２の両方を同時に構成するため、踵骨１２が安定しないと、縦アーチを正常な位置に維持できなくなる。特に、踵骨１２の前部の踵骨結節１２Ａは、図６に示すように、踵骨１２の中間部と第２～第５中足骨２８～３４を繋ぐ長足底靭帯６４が重なるように位置している。この長足底靭帯６４は縦アーチを維持する働きもしている。 By the way, the calcaneus 12 is difficult to stabilize simply by supporting the cubic bone 18, and the joint (the heel cubic joint) between the cubic bone 18 and the calcaneus 12 may be distorted.
Since the calcaneus 12 simultaneously constitutes both the inner vertical arch 121 and the outer vertical arch 122, the vertical arch cannot be maintained at a normal position unless the calcaneus 12 is stable. In particular, as shown in FIG. 6, the calcaneal tuberosity 12A at the front of the calcaneus 12 is formed so that the middle part of the calcaneus 12 and the long plantar ligament 64 connecting the second to fifth metatarsal bones 28 to 34 overlap. positioned. The long plantar ligament 64 also serves to maintain the longitudinal arch.
　本構成では、踵骨前部支持凸部９０が、長足底靭帯６４を介して踵骨結節１２Ａを支持するため、踵骨１２が安定し、踵立方関節の歪みを減少できるとともに、縦アーチを正常な位置にすることができる。これにより、縦アーチがばねとしてより効果的に機能する。特に、夜間では、昼間に比べ、長足底靭帯６４の縦アーチを維持する機能が低下するため、長足底靭帯６４を支持することが有効である。踵骨前部支持凸部９０は、長足底靭帯６４が重なる位置の踵骨結節１２Ａに相当する部位４を含む。 In this configuration, the calcaneous front support projection 90 supports the calcaneal tuberosity 12A via the long plantar ligament 64, so that the calcaneus 12 can be stabilized, the distortion of the heel cubic joint can be reduced, and the vertical arch can be reduced. It can be in a normal position. This allows the vertical arch to function more effectively as a spring. In particular, since the function of maintaining the longitudinal arch of the long plantar ligament 64 is reduced at night compared to the daytime, it is effective to support the long plantar ligament 64. The anterior calcaneal support projection 90 includes a portion 4 corresponding to the calcaneal tubercle 12A at a position where the long plantar ligament 64 overlaps.
　踵骨前部支持凸部９０は、長足底靭帯６４を支持して足アーチの受動的安定を促すだけでなく、長足底靭帯６４を介して外側縦アーチの能動的安定化にとって重要な長腓骨筋の停止腱６６を支える。ここで、受動的安定は靭帯により、能動的安定は筋（腱）によりなされる。長腓骨筋の停止腱６６は、図２に示すように、立方骨１８の周りを巻いた後、足の外側縁から足底を横切り、第１楔状骨２０と第１中足骨２６の底に停止する。さらに、踵骨前部支持凸部９０の一部は立方骨１８の下部に位置し、立方骨１８を介して、舟状骨１６を支持する。このことによって、内側縦アーチの能動的安定化構造の主である、後脛骨筋の停止腱６７が間接的に支持される。
　後脛骨筋の停止腱６７は、筋膜を第１～第３楔状骨２０～２４、第２～第３中足骨２８，３０及び舟状骨１６に出している。長腓骨筋、後脛骨筋、これら二つの筋の斜めの走行により、横アーチに加えて縦アーチが保持される。 The anterior calcaneous support ridge 90 not only supports the long plantar ligament 64 to promote passive stabilization of the foot arch, but also the long fibula important for active stabilization of the lateral longitudinal arch via the long plantar ligament 64. The muscle supports the tendon 66. Here, passive stability is provided by ligaments, and active stability is provided by muscles (tendons). As shown in FIG. 2, the stop tendon 66 of the peroneus longus muscle is wound around the cubic bone 18, traverses the sole from the outer edge of the foot, and forms the bottom of the first cuneiform bone 20 and the first metatarsal bone 26. To stop. Further, a part of the calcaneal front support projection 90 is located below the cubic bone 18 and supports the scaphoid 16 via the cubic bone 18. This indirectly supports the stopping tendon 67 of the tibialis posterior, which is the main active stabilizing structure of the medial longitudinal arch.
The stop tendon 67 of the tibialis posterior muscle projects the fascia to the first to third wedge-shaped bones 20 to 24, the second to third metatarsal bones 28 and 30, and the scaphoid 16. The oblique running of these two muscles, the peroneus longus and the tibialis posterior, holds the vertical arch in addition to the horizontal arch.
　また、踵骨１２も関節を構成するため、固定的に支持するだけでは運動機能を阻害するので、運動を許容することも必要である。
　インソール本体１６０は、立方骨支持凸部８０を中心にして放射方向には表面が下傾して応力を緩和する構成となっているので、踵骨１２が構成する関節の運動を許容できる。より詳細には、踵骨前部支持凸部９０は、比較的柔らかい素材で形成されており、使用者の体重で厚みが最大となる部分が沈み、踵骨結節１２Ａを支持する。踵骨前部支持凸部９０が沈むことで、インソール１は、立方骨支持凸部８０を中心にして前後左右の放射方向に下傾して、立方骨１８を支点に足を支持するとともに、該立方骨支持凸部８０を中心に足の運動を許容する。 In addition, since the calcaneus 12 also constitutes a joint, the motor function is impaired if the calcaneus 12 is only fixedly supported, so that it is necessary to allow the movement.
The insole body 160 has a configuration in which the surface is inclined downward in the radial direction about the cubic bone supporting projection 80 to relieve stress, so that the joint of the calcaneus 12 can be allowed to move. More specifically, the calcaneal front support projection 90 is formed of a relatively soft material, and a portion where the thickness becomes maximum by the weight of the user sinks, and supports the calcaneal tuberosity 12A. When the calcaneus front support projection 90 sinks, the insole 1 is inclined downward in the front, rear, left, and right radial directions around the cubic bone support projection 80 to support the foot with the cubic bone 18 as a fulcrum, The movement of the foot around the cubic bone supporting projection 80 is allowed.
　本構成では、踵骨前部支持凸部９０が、踵骨結節（足の踵骨前部）１２Ａに当接し、足の内側縦アーチ１２１、外側縦アーチ１２２及び横アーチ１２０を維持する。
　踵骨前部支持凸部９０により、踵骨１２を安定的に支持することができて、足底の横アーチ１２０、内側縦アーチ１２１、外側縦アーチ１２２が自然な形状に維持され、足の安定性、運動性を向上させることができる。
　そして、この状態において、すなわち踵骨前部支持凸部９０が、内側縦アーチ１２１、外側縦アーチ１２２及び横アーチ１２０を維持した状態で、膨出部１００が、足の第１中足骨頭部（母趾球）２６Ａと、第２～第５中足骨頭部（小趾球）２８Ａ～３４Ａと、を支持するように構成されている。 In this configuration, the anterior calcaneal support projection 90 abuts the calcaneal tuberosity (the anterior calcaneal part of the foot) 12A, and maintains the medial longitudinal arch 121, lateral longitudinal arch 122, and lateral arch 120 of the foot.
The calcaneus front support projection 90 can stably support the calcaneus 12, and the lateral arch 120, the inner vertical arch 121, and the outer vertical arch 122 of the sole are maintained in a natural shape, and the foot Stability and mobility can be improved.
Then, in this state, that is, in a state where the calcaneal front support convex portion 90 maintains the inner vertical arch 121, the outer vertical arch 122, and the horizontal arch 120, the bulging portion 100 is moved to the first metatarsal head of the foot. (The toe ball) 26A and the second to fifth metatarsal heads (small toe balls) 28A to 34A are configured to be supported.
　本構成では、図６に示すように、膨出部１００が靴の中底７に接触することにより、膨出部１００の表面部１００Ａが上方に保持され、表面部１００Ａにより、母趾球２６Ａや小趾球３４Ａなどの、第１～第５中足骨頭部２６Ａ～３４Ａが、すなわち、足の指の付け根側が上方に保持される。
　したがって、踵骨前部支持凸部９０が、足のアーチの状態を維持したまま、足の指の拘束が解かれた状態となる。 In this configuration, as shown in FIG. 6, when the bulging portion 100 comes into contact with the midsole 7 of the shoe, the surface portion 100A of the bulging portion 100 is held upward, and the toe ball 26A is held by the surface portion 100A. The first to fifth metatarsal heads 26A to 34A such as the toe and the small toe ball 34A, that is, the base of the toes are held upward.
Therefore, the calcaneus front support projection 90 is in a state in which the constraint of the toes is released while maintaining the state of the arch of the foot.
　一般に、靴の中底は踵側を高くし爪先側を低くして歩き易くしているが、爪先側が低いために、体重がかかる際に爪先側に力がかかり易く、足の指全体が靴の中底７に押し当てられ易い。そのため、足の指が動き難く、足の指の自然な動作が阻害される場合があり、足の指が自然な運動の刺激を得難い。
　これに対し、本構成では、膨出部１００が母趾球２６Ａと小趾球３４Ａとを靴の中底７に対して高い位置に保持するため、インソール１に支持された足は靴の中では水平に近づき易く、支点Ｐ３（図６参照）よりも前側の爪先側に体重がかかり難くなって、足の指先が動かし易くなる。 In general, the midsole of the shoe has a higher heel side and a lower toe side to make it easier to walk.However, because the toe side is low, force is easily applied to the toe side when weight is applied, and the entire toe Easily pressed against the midsole 7. For this reason, the toes are difficult to move, and the natural movement of the toes may be hindered, and the toes are difficult to obtain a natural exercise stimulus.
On the other hand, in the present configuration, the swelling portion 100 holds the toe ball 26A and the little toe ball 34A at a position higher than the midsole 7 of the shoe. In this case, it is easy to approach the horizontal, the weight is less likely to be applied to the toe side in front of the fulcrum P3 (see FIG. 6), and the toes of the toes can be easily moved.
　本構成では、インソール本体１６０が踵骨前部支持凸部９０備える。このため、インソール１の使用者は、足底のアーチ１２０～１２２が自然な形状が維持された状態で爪先側が高くなり、歩行時や走行時には、足の指が自然と地面を掴むように動作し易くなる。したがって、坂道や階段の上り下りする場合に爪先側に力が入り易く、足の指が理想的な運動の刺激を得易くなる。本構成によるインソール１を使用することにより、足の身体機能の低下が抑制され易くなる。
　本構成のインソール１が装着された靴を履いて歩くだけで足の指のトレーニングをすることができる。特に、本構成では、インソール１が立方骨支持凸部８０も備えているため、足の骨格バランスが整えられ、安定性、運動性がさらに向上しており、トレーニングが更にし易くなる。 In this configuration, the insole body 160 includes the calcaneal front support projection 90. For this reason, the user of the insole 1 operates such that the toes are raised while the arches 120 to 122 of the sole keep the natural shape, and the toes naturally grasp the ground during walking or running. Easier to do. Therefore, when going up or down a hill or a stair, force is easily applied to the toe side, and the toes can easily obtain stimulation of ideal movement. By using the insole 1 according to the present configuration, a decrease in the physical function of the foot can be easily suppressed.
The training of the toes can be performed only by walking while wearing the shoes on which the insole 1 of this configuration is mounted. In particular, in the present configuration, since the insole 1 also includes the cubic bone supporting projection 80, the skeleton balance of the foot is adjusted, stability and mobility are further improved, and training is further facilitated.
　本構成では、インソール前部１１０が、膨出部１００よりも肉薄であるため、足の第１～第５末節骨５４～６２の前の、指の自由度がさらに高まる。
　足の指が地面を掴む動作は、図２における基節骨３６～４４、中節骨４６～５２及び末節骨５４～６２を含む、いわゆる、足の指が乗るインソール前部１１０が、母趾球２６Ａと小趾球３４Ａが乗る膨出部１００より柔らかい場合に容易に行える。
　本実施形態では、インソール前部１１０は、膨出部１００に比べて薄肉で軟らかいため、足の指を容易に動かすことができる。
　したがって、足の指で地面を掴むような歩行動作を容易に行うことができ、運動効果を高めることができる。足底のアーチの形状を維持して身体の安定性、運動性を確保しながら、運動効果を高めることができる。 In this configuration, since the insole front part 110 is thinner than the bulging part 100, the degree of freedom of the fingers in front of the first to fifth distal phalanxes 54 to 62 of the foot is further increased.
The so-called insole front 110 on which the toe rides, including the proximal phalanxes 36 to 44, the middle phalanxes 46 to 52, and the distal phalanxes 54 to 62 in FIG. This can be easily performed when the ball 26A and the toe ball 34A are softer than the bulging portion 100 on which the ball 26A rides.
In the present embodiment, since the insole front part 110 is thinner and softer than the bulging part 100, the toes can be easily moved.
Therefore, it is possible to easily perform a walking operation such as grasping the ground with the toes, and it is possible to enhance the exercise effect. The exercise effect can be enhanced while maintaining the stability and mobility of the body by maintaining the shape of the arch of the sole.
　本構成では、膨出部１００が裏面１Ｂに形成されるため、図６に示すように、膨出部１００の近接部分と靴の中底７との間には隙間１１１が生じる。そのため、インソール１のインソール前部１１０を隙間１１１に向けて上方から押し込み易い。また、膨出部１００にはＶ字凹部１０５も形成されており、母趾球部１０３と他趾球部１０４との間が薄肉となり母趾でインソール前部１１０を隙間１１１に向けて押し易い。
　このように、本実施形態では、足の指を曲げ易くなると共に足の指に力を入れ易くなり、足の指で地面を掴む動作を容易に行える。 In the present configuration, since the bulging portion 100 is formed on the back surface 1B, as shown in FIG. 6, a gap 111 is formed between a portion near the bulging portion 100 and the midsole 7 of the shoe. Therefore, it is easy to push the insole front portion 110 of the insole 1 from above toward the gap 111. In addition, a V-shaped concave portion 105 is also formed in the bulging portion 100, and the space between the toe ball portion 103 and the other toe ball portion 104 becomes thin, so that the insole front portion 110 can be easily pushed by the toe toward the gap 111. .
As described above, in the present embodiment, it is easy to bend the toes and to apply force to the toes, and the operation of grasping the ground with the toes can be easily performed.
　また、膨出部１００は、平坦な表面部１００Ａが足底に接触するため、凹凸形状が足底に接触する場合に比べて足の動きを妨げ難い。
　一方で、足の動きを妨げ難いために、歩行時や運動時に母趾球２６Ａや小趾球３４Ａの位置がズレる可能性はあるが、膨出部１００は前後方向に幅広に形成されており、膨出部１００が母趾球２６Ａや小趾球３４Ａを支持可能である。 In addition, since the swelling portion 100 has the flat surface portion 100A in contact with the sole, it is less likely to hinder the movement of the foot than in the case where the uneven shape contacts the sole.
On the other hand, since it is difficult to hinder the movement of the foot, there is a possibility that the position of the toe ball 26A or the little toe ball 34A may shift during walking or exercise, but the bulging portion 100 is formed wide in the front-rear direction. The bulging portion 100 can support the toe ball 26A and the toe ball 34A.
　以上説明したように、本実施形態の靴用インソール１は、足の内側縦アーチ１２１、外側縦アーチ１２２及び横アーチ１２０を維持するために、足の踵骨前部１２Ａに当接する踵骨前部支持凸部９０と、踵骨前部支持凸部９０が、内側縦アーチ１２１、外側縦アーチ１２２及び横アーチ１２０を維持した状態で、足の母趾球２６Ａと小趾球３４Ａとを支持する膨出部１００と、を備え、膨出部１００の前方に、膨出部１００よりも肉薄のインソール前部１１０を備えている。したがって、足底のアーチ１２０～１２２の形状を自然な状態に維持して身体の安定性、運動性を確保しながら、足の指に地面を掴む動作を行わせ易くし、足の指にトレーニングを行わせることができる。 As described above, the shoe insole 1 of the present embodiment has a front calcaneal abutment with the front calcaneus 12A of the foot in order to maintain the inner vertical arch 121, the outer vertical arch 122, and the horizontal arch 120 of the foot. The part support protrusion 90 and the calcaneal front support protrusion 90 support the toe ball 26A and the toe ball 34A of the foot while maintaining the inner vertical arch 121, the outer vertical arch 122, and the horizontal arch 120. And an insole front portion 110 which is thinner than the bulging portion 100 in front of the bulging portion 100. Therefore, while maintaining the shape of the arches 120 to 122 of the sole in a natural state and ensuring the stability and mobility of the body, it is easy for the toes to perform the action of grasping the ground, and the toes are trained. Can be performed.
　本実施形態では、インソール前部１１０から膨出部１００に至るまで表面１Ａが平坦であり、膨出部１００は下方に膨出する。したがって、膨出部１００が靴の中底７に接触し、膨出部１００の表面１Ａを成す表面部１００Ａが足底に平坦面で接触するため、足の指を動かし易くすることができる。 In the present embodiment, the surface 1A is flat from the insole front portion 110 to the bulging portion 100, and the bulging portion 100 bulges downward. Therefore, the bulging portion 100 comes into contact with the midsole 7 of the shoe, and the surface portion 100A forming the surface 1A of the bulging portion 100 comes into contact with the sole with a flat surface, so that the toes can be easily moved.
　また、本実施形態では、膨出部１００の前縁部は、足の第１基節骨３６から第５基節骨４４を結ぶ線上を延び、第１基節骨３６と第２基節骨３８の間の前縁部は、Ｖ字凹部１０５が形成されており、後方に凹む。したがって、母趾、すなわち、第１基節骨３６と第１末節骨５４に相当する部位のインソール１を下方に押し込み易くなり、母趾に地面を掴む動作を行わせ易くできる。 In the present embodiment, the front edge of the bulging portion 100 extends on a line connecting the first base phalanx 36 to the fifth base phalanx 44 of the foot, and the first base phalanx 36 and the second base phalanx 44 A V-shaped concave portion 105 is formed at the front edge portion between the holes 38 and is recessed rearward. Therefore, the toes, that is, the insole 1 corresponding to the first base phalanx 36 and the first distal phalanx 54 can be easily pushed downward, and the toe can easily perform the operation of gripping the ground.
　また、本実施形態では、膨出部１００の後縁部は、円弧凹部１０６が形成されており、幅方向中央部が前方に凹む。したがって、足底に膨出部１００の境界を感じさせ難くして違和感を低減できる。 In addition, in the present embodiment, the arcuate concave portion 106 is formed at the rear edge of the bulging portion 100, and the widthwise central portion is depressed forward. Therefore, it is difficult for the user to feel the boundary of the bulging portion 100 on the sole, and the sense of incongruity can be reduced.
　また、本実施形態では、膨出部１００は、外周部の肉厚が漸減する。したがって、膨出部１００の外周部１０２が体重に応じて徐々に変形可能であるため、足への違和感を減らすことができる。 で は In the present embodiment, the thickness of the bulging portion 100 at the outer peripheral portion is gradually reduced. Therefore, since the outer peripheral portion 102 of the bulging portion 100 can be gradually deformed according to the weight, it is possible to reduce a sense of discomfort to the foot.
　また、本実施形態では、踵骨前部支持凸部９０に重なり合って立方骨支持凸部８０が配置され、立方骨支持凸部８０は、足の立方骨１８から舟状骨１６に相当する部位を含んで左右の両側縁に向って下傾して厚みを漸減させると共に、立方骨１８に相当する部位から前後に向って下傾して厚みを漸減させて、前後左右の放射方向に厚みを漸減させる。したがって、立方骨支持凸部８０を備えるため、立方骨１８と踵骨１２との踵立方関節を含むアーチ形状を保持した状態、かつ、足の運動を許容した状態で、立方骨１８及び踵骨１２が安定するので、踵立方関節の歪みが減り、立方骨１８及び踵骨１２を含む足根骨全体が自然な状態で安定する。その結果、足の関節が自由に動くので、足の機能を高めることができる。 Further, in the present embodiment, the cubic bone supporting projection 80 is arranged so as to overlap the calcaneus frontal supporting projection 90, and the cubic bone supporting projection 80 is a portion corresponding to the cuboid bone 16 from the scapula 16 of the foot. Increasingly decreasing the thickness by tilting down toward the left and right side edges, and gradually decreasing the thickness by tilting down from front to back from the portion corresponding to the cubic bone 18, to increase the thickness in the front, rear, left and right radial directions Decrease gradually. Therefore, in order to provide the cubic bone supporting projection 80, the cuboid 18 and the calcaneus are maintained in a state where the arch shape including the heel cuboid joint of the cuboid 18 and the calcaneus 12 is maintained and the foot is allowed to move. Since the 12 is stabilized, the distortion of the heel cubic joint is reduced, and the entire tarsal bone including the cuboid 18 and the calcaneus 12 is stabilized in a natural state. As a result, the joint of the foot moves freely, and the function of the foot can be enhanced.
　但し、上述の実施形態は本発明の一態様であり、本発明の趣旨を逸脱しない範囲において適宜変更可能であるのは勿論である。
　例えば、上述の実施形態では、インソール本体１６０を一体に成型したが、平坦なインソール素材に、別体の凸状部２や、膨出部１００を着脱自在に装着しても良い。また、インソール本体１６０を複数層とし、中間層に凸状部２と膨出部１００を装着することにより、表面素材に凹凸を形成することは可能である。
　立方骨支持凸部８０、踵骨前部支持凸部９０及び膨出部１００を中実に形成していたが、立方骨支持凸部８０、踵骨前部支持凸部９０及び膨出部１００の表面８０Ａ，９０Ａ、１０１の内部を中空としてもよい。 However, the above embodiment is an aspect of the present invention, and it is needless to say that the embodiment can be appropriately changed without departing from the spirit of the present invention.
For example, in the above-described embodiment, the insole body 160 is formed integrally, but the separate convex portion 2 and the bulging portion 100 may be detachably attached to a flat insole material. In addition, it is possible to form irregularities on the surface material by forming the insole body 160 into a plurality of layers and attaching the convex portions 2 and the bulging portions 100 to the intermediate layer.
Although the cubic bone support projection 80, the calcaneal front support projection 90, and the bulge 100 were formed solid, the cubic bone support ridge 80, the calcaneus front support projection 90, and the bulge 100 were formed. The interior of the surfaces 80A, 90A, 101 may be hollow.
　本発明の靴用インソールは、立位姿勢の改善や運動機能の向上を目的としており、日常的に使用する靴だけでなく、スキーやサッカーなどの機能性を追求する運動用の靴や、治療やリハビリテーションを目的とした医療用の靴、健康増進を目的としたトレーニング用の靴等、種々の靴に幅広く好適である。 The shoe insole according to the present invention is intended to improve the standing posture and the athletic function. Not only shoes used daily but also sports shoes pursuing functionality such as skiing and soccer, and therapeutic shoes can be used. It is widely suitable for various shoes, such as medical shoes for rehabilitation and training shoes for health promotion.
　１　インソール（靴用インソール）
　１Ａ　表面（上面）
　１２Ａ　踵骨結節（踵骨前部）
　１８　立方骨
　２６Ａ　母趾球
　３４Ａ　小趾球
　３６　第１基節骨
　３８　第２基節骨
　４４　第５基節骨
　７６　両側縁
　８０　立方骨支持凸部
　９０　踵骨前部支持凸部
　１００　膨出部（趾球支持部）
　１０２　外周部
　１１０　インソール前部
　１２０　横アーチ
　１２１　内側縦アーチ
　１２２　外側縦アーチ 1 insole (shoe insole)
1A surface (top)
12A calcaneal tuberosity (anterior calcaneus)
Reference Signs List 18 cubic bone 26A ball of the toe 34A ball of the little toe 36 first base phalange 38 second base phalange 44 fifth base phalanx 76 both side edges 80 cubic bone supporting convex part 90 calcaneous front supporting convex part 100 bulging part (Toe ball support)
102 outer peripheral part 110 insole front part 120 horizontal arch 121 inner vertical arch 122 outer vertical arch

Claims (6)

  1. 　足の内側縦アーチ、外側縦アーチ及び横アーチを維持するために、足の踵骨前部に当接する踵骨前部支持凸部と、前記踵骨前部支持凸部が、内側縦アーチ、外側縦アーチ及び横アーチを維持した状態で、足の母趾球と小趾球とを支持する趾球支持部と、を備え、前記趾球支持部の前方に、当該趾球支持部よりも肉薄のインソール前部を備えたことを特徴とする靴用インソール。 In order to maintain the medial longitudinal arch, lateral longitudinal arch and lateral arch of the foot, the calcaneal front support projection that abuts on the calcaneal front of the foot, and the calcaneal front support projection is the medial vertical arch, In a state where the outer vertical arch and the lateral arch are maintained, the toe ball support portion supports the toe ball and the toe ball of the foot, and the front of the toe ball support portion, A shoe insole having a thin insole front.
  2. 　前記インソール前部から前記趾球支持部に至るまで上面が平坦であり、前記趾球支持部は下方に膨出することを特徴とする請求項１に記載の靴用インソール。 The shoe insole according to claim 1, wherein an upper surface is flat from the front of the insole to the ball support, and the ball support bulges downward.
  3. 　前記趾球支持部の前縁部は、足の第１基節骨から第５基節骨を結ぶ線上を延び、第１基節骨と第２基節骨の間の前縁部は、後方に凹むことを特徴とする請求項１又は２に記載の靴用インソール。 The front edge of the ball support extends on a line connecting the first to fifth phalanx of the foot, and the front edge between the first and second phalanx is posterior. The shoe insole according to claim 1 or 2, wherein the shoe insole is recessed.
  4. 　前記趾球支持部の後縁部は、幅方向中央部が前方に凹むことを特徴とする請求項１乃至３の何れかに記載の靴用インソール。 The shoe insole according to any one of claims 1 to 3, wherein a rear edge of the ball support portion is recessed forward at a center in a width direction.
  5. 　前記趾球支持部は、外周部の肉厚が漸減することを特徴とする請求項１乃至４の何れかに記載の靴用インソール。 The shoe insole according to any one of claims 1 to 4, wherein the toe ball support portion has a gradually decreasing outer peripheral wall thickness.
  6. 　前記踵骨前部支持凸部に重なり合って立方骨支持凸部が配置され、前記立方骨支持凸部は、足の立方骨から舟状骨に相当する部位を含んで左右の両側縁に向って下傾して厚みを漸減させると共に、前記立方骨に相当する部位から前後に向って下傾して厚みを漸減させて、前後左右の放射方向に厚みを漸減させることを特徴とする請求項１乃至５の何れかに記載の靴用インソール。 A cubic bone supporting convex portion is arranged so as to overlap the calcaneal front supporting convex portion, and the cubic bone supporting convex portion is directed toward the left and right side edges including a portion corresponding to a scaphoid from a cubic bone of a foot. 2. The method according to claim 1, wherein the thickness is gradually reduced by downwardly tilting downward and forward and backward from a portion corresponding to the cubic bone, and the thickness is gradually reduced in the front, rear, left and right radial directions. 6. The shoe insole according to any one of claims 1 to 5,
PCT/JP2018/027656 2018-07-24 2018-07-24 Shoe insole WO2020021622A1 (en)

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US17/262,337 US20210298412A1 (en) 2018-07-24 2018-07-24 Shoe insole
KR1020217000254A KR102463611B1 (en) 2018-07-24 2018-07-24 insoles for shoes
JP2020531864A JP6799881B2 (en) 2018-07-24 2018-07-24 Insoles for shoes
EP18927951.6A EP3827689B1 (en) 2018-07-24 2018-07-24 Shoe insole
CN201880095875.0A CN112469301B (en) 2018-07-24 2018-07-24 Shoe-pad for shoes
PCT/JP2018/027656 WO2020021622A1 (en) 2018-07-24 2018-07-24 Shoe insole
TW107138620A TWI678977B (en) 2018-07-24 2018-10-31 Shoe insole

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KR102463611B1 (en) 2022-11-07
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US20210298412A1 (en) 2021-09-30
TWI678977B (en) 2019-12-11

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