JP5650110B2 - Sole element for stabilization - Google Patents

Description

  The present invention relates generally to a stabilizing element for a shoe and a shoe containing a stabilizing device, and more particularly to a stabilizing device that controls the rolling motion of a wearer's foot in a foot contact path. .

[Cross-reference of related applications]
This application claims priority to US Provisional Patent Application No. 61 / 133,282, filed June 26, 2008, which is hereby incorporated by reference in its entirety.

  The complex movement of the foot that can occur during the wearer's one-step cycle has been the subject of many biomechanical studies aimed at preventing foot damage and shoes with improved overall walking and running performance. In particular, it has been an objective in modern athletic shoe design to provide support and cushioning where needed in a normal one step cycle. Usually, buffering the area under the heel region of the shoe midsole helps to minimize the impact of the initial heel contact. Additional support elements are also usually provided to reduce excessive rolling of the foot inward or outward during the gait cycle by appropriate positioning of the reinforcing material and the reinforcing structure.

  The tendency to roll inward after impact on the initial landing, ie pronation, is the normal movement of the foot that occurs during walking or running. Immediately after the initial heel contact, the joint between the foot bones, called the subtalar joint, is released, causing the pronation, which is a coordinated three-plane motion of the foot, in the situation where the forefoot part is lowered in the so-called stance phase loading period. Three plane movements are (1) abduction in which the front part of the foot is directed outward by the subtalar joint away from the wearer's advance line, and (2) the front part of the foot is the ankle, that is, the thigh joint. Dorsiflexion that is tilted upward with respect to the heel of the foot, and (3) valgus that the sole is directed outward with respect to the heel of the foot at the subtalar joint. As the three planes move in a coordinated manner, the foot typically rolls from the outside to the inside of the foot such that the inside surface of the foot's midfoot region is in contact with the running surface. This three-plane rolling of the foot when the wearer's weight begins to move forward allows the foot to convey part of the load force to the walking or running surface. The foot is kept in the pronation position throughout the middle stance.

  Prolapse usually occurs after pronation. If the weight moves before the foot, the subtalar joint locks, creating a situation that is opposite to the situation that occurred during the loading period. Pronation: (1) Adduction in which the lock of the subtalar joint points the foot inward toward the forward line; (2) Base flexion in which the forefoot bends downward with respect to the heel at the ankle; (3 ) Accompanied by a movement of the varus, where the sole is directed inwardly against the heel at the subtalar joint. These three movements combine to keep the foot rolling forward toward the toes. During exercise when the thumb ball and toes are grounded, the foot rolls outward just before the toes begin to leave the ground. By combining these movements, the foot changes its role from a movable adapter to a rigid lever, which is important for forward propulsion of the body.

  Pronation and pronation are natural movements, but both over pronation and over provocation, which are often caused by high pronation speeds, are undesirable and can lead to wounds. Various approaches have been used in footwear design to control these rotational movements to avoid wounds. Conventional so-called inner “post” or “posting” systems typically use a higher density ethylene vinyl acetate (“EVA”) foam or polyurethane (“PU”) foam on the back foot of the midsole inside the shoe. To control the pronation. However, the density and hardness of such foams are difficult to control. For example, manufactured foam is often softer than specified at the time of production. Furthermore, the higher the density of EVA foam, the longer it takes and the higher the cost. Such inner posts often use a double density foam in a wedge-shaped configuration to make the foot transition more smoothly as the foot rolls from the heel to the toe. However, the relative density and thickness of these foams are both difficult to control during manufacture, and positioning a rigid foam wedge over a softer foam can lead to heel contact and toe offing. A truly continuous stiffness transition is not obtained.

  Conventional devices primarily address motion control by using a separate rigid post and plate or dual density midsole foam to vary the compression resistance under the foot. Conventional devices provide little or no compression resistance transition. Furthermore, such a transition is provided only in one direction across the longitudinal axis of the shoe, just under the foot. None of the conventional devices disclose or suggest a device that provides accurate and smooth control of foot movement along the foot contact path or provides a continuous compression resistance transition as the foot crosses the contact path. I have not done it.

  Accordingly, a device that accurately and smoothly controls the movement of the foot along the ground contact path of the foot and also provides a continuous and smooth compression resistance transition along the ground contact path of the foot that has not been adequately addressed in the prior art. is necessary.

  The stabilization device of the present invention is based on the prior art by accurately and smoothly controlling the movement of the foot along the foot contact path by continuously changing the stiffness along the inside or outside of the wearer's foot. To deal with the shortcomings. Shoe soles and shoes including stabilizing devices are also formed according to the present invention.

  In one embodiment, a stabilization device for use with a shoe sole has a first end and a second end. The first end is adapted to be attached to the rear foot region of the shoe, and the second end is adapted to be attached to the arch region of the shoe. The stabilization device has an elongated portion positioned between the first end and the second end and configured to extend from the hind foot region into the arch region along the circumference of the sole. The stabilizer also has a sidewall portion that extends from the hindfoot region into the arch region. The sidewall portion extends laterally from the elongated portion along the length of the elongated portion. The side wall portion is configured to form part of the peripheral wall of the shoe, either inside or outside. The side wall portion has a rigidity that continuously changes from the first end portion toward the second end portion.

  In one embodiment, the stiffness of the side wall portion decreases continuously from the first end toward the second end. In another embodiment, the stiffness of the sidewall portion increases continuously from the first end toward the second end.

  In another embodiment, the cross-sectional area formed from the side wall portion and the elongated portion varies continuously from the first end toward the second end. According to this embodiment, this cross-sectional area may decrease continuously from the first end toward the second end. In another embodiment, the cross-sectional area increases continuously from the first end to the second end.

  In a further embodiment, the stiffness of the elongated portion varies continuously from the first end toward the second end. According to this embodiment, the rigidity of the elongated portion may continuously decrease from the first end toward the second end. In another embodiment, it increases continuously from the first end toward the second end.

  In yet another embodiment, the stabilization device is configured to extend from either the inside or the outside over 20% to 35% of the width of the shoe in the arch region.

  In one embodiment, the elongate portion has a surface configured to be positioned flush with the upper surface of the shoe sole.

  In another embodiment, the side wall portion has a lower portion configured to extend from the elongated portion toward the ground contact surface of the shoe. According to this embodiment, the lower extension portion may extend laterally from the end of the lower portion of the side wall portion remote from the elongated portion.

  The stabilization device of the above embodiment may be integrally formed from a thermoplastic material. The thermoplastic material may be an injection molded thermoplastic resin.

  In one embodiment, the stabilization device of the above embodiment is configured to be positioned along the inside of the shoe. In another embodiment, the stabilization device is configured to be positioned along the outside of the shoe.

  The stabilization device may further comprise an extended heel portion. The extended collar portion includes an elongated elongated portion. The extended elongated portion is integrally connected to the elongated portion of the stabilizing device. The extended collar portion also includes an extended sidewall portion. The extended side wall portion is integrally connected to the side wall portion of the stabilization device. The extended sidewall portion has a continuously changing stiffness. The extended heel portion is configured to extend from one of the inside or the outside to the other of the inside or outside of the shoe around the heel of the shoe end.

  In one embodiment, the rigidity of at least one of the extended side wall portion and the extended elongated portion increases continuously toward the rear of the extended heel portion along the inner side and the outer side. In another embodiment, the stiffness of at least one of the extended side wall portion and the extended elongated portion decreases continuously toward the rear of the extended heel portion along the inside and outside.

  A shoe formed in accordance with the present invention comprises a stabilization device. The shoe includes an upper and a sole. The stabilizing device is placed along either the inside or the outside of the shoe sole. The stabilizing device has a first end and a second end. The first end is attached to the rear foot region of the shoe, and the second end is attached to the arch region of the shoe. The stabilizing device is positioned between the first end and the second end and has an elongated portion that extends from the hind foot region into the arch region along the circumference of the sole. The stabilizer also has a sidewall portion that extends from the hindfoot region into the arch region. The sidewall portion extends laterally from the elongated portion. The side wall portion forms part of the peripheral wall either inside or outside. The side wall portion has a rigidity that continuously changes from the first end portion toward the second end portion.

  In one embodiment, the stiffness of the side wall portion decreases continuously from the first end toward the second end. In another embodiment, the stiffness of the sidewall portion increases continuously from the first end toward the second end.

  In another embodiment, the cross-sectional area formed from the sidewall portion and the elongated portion varies continuously from the first end toward the second end. According to this embodiment, this cross-sectional area may decrease continuously from the first end toward the second end. In another embodiment, the cross-sectional area increases continuously from the first end to the second end.

  In a further embodiment, the stiffness of the elongated portion varies continuously from the first end toward the second end. According to this embodiment, the rigidity of the elongated portion may decrease continuously from the first end toward the second end. In another embodiment, the rigidity of the elongate portion increases continuously from the first end to the second end.

  In yet another embodiment, the stabilization device extends from either the inside or the outside over 20% to 35% of the width of the shoe in the arch region.

  In one embodiment, the elongate portion has a surface that is positioned flush with the upper surface of the sole.

  In one embodiment, the sidewall portion has a lower portion that extends from the elongated portion toward the ground contact surface of the shoe. According to this embodiment, the lower extension portion may extend laterally from the end of the lower portion remote from the elongated portion toward the center of the sole.

  The stabilization device of the above embodiment can be integrally formed from a thermoplastic material. The thermoplastic material may be an injection molded thermoplastic resin.

  In one embodiment, the stabilization device is positioned along the inside of the shoe. In another embodiment, it is positioned along the outside of the shoe.

  The stabilization device may further comprise an extended heel portion. The extended collar portion includes an elongated elongated portion. The extended elongated portion is integrally connected to the elongated portion of the stabilizing device. The extended collar portion also includes an extended sidewall portion. The extended side wall portion is integrally connected to the side wall portion of the stabilization device. The extended sidewall portion has a continuously changing stiffness. The extended heel portion extends from one of the inside or the outside to the other of the inside or outside of the shoe, around the heel of the shoe end.

  In one embodiment, the rigidity of at least one of the extended side wall portion and the extended elongated portion increases continuously along the inside and outside toward the back of the extended heel portion. In another embodiment, the stiffness of at least one of the extended side wall portion and the extended elongated portion decreases continuously along the inside and outside toward the back of the extended heel portion.

  When positioned on the inside of the shoe, the stabilization device provides a precisely controlled stiffness that continuously decreases from the hindfoot region to the arch region on the inside of the shoe along the longitudinal axis. Reduce the pronation speed of the lower joint. When positioned on the outside of the shoe, the stabilization device provides a precisely controlled stiffness that continuously decreases from the hindfoot region to the arch region along the longitudinal axis on the outside of the shoe. Reduce the supination speed of the lower joint.

It is a side view inside a skeleton of a human foot. It is a side view of the outer side of the skeleton of a human foot. 1 is a perspective view of one embodiment of a stabilization device. It is sectional drawing of the stabilization apparatus of FIG. FIG. 3 is a schematic plan view of an embodiment of a shoe sole in which the stabilization device of FIG. 2 is positioned inside the shoe. FIG. 5 is an inner side view of the shoe sole and motion control device of FIG. 4. FIG. 5 is a cross-sectional view of the shoe sole and stabilization device of FIG. 4. FIG. 10 is an inside side view of another embodiment of a shoe sole with another embodiment of a stabilization device. FIG. 8 is a cross-sectional view of the shoe sole and motion control device of FIG. 7. 1 is a schematic plan view of one embodiment of a shoe sole with one embodiment of an inner stabilizing device and one embodiment of an outer stabilizing device. FIG. 1 is a schematic plan view of one embodiment of a shoe sole with one embodiment of a stabilization device having an extended heel portion. FIG. 1 is a schematic plan view of one embodiment of a shoe sole with one embodiment of a stabilization device having an extended heel portion. FIG.

  1A and 1B show a medial side view and a lateral side view of the skeleton of human foot 100, respectively. The forefoot region 101 of the foot generally coincides with the phalange (toe) 102 and the metatarsal bone 103. The hind foot region 104 of the foot is also referred to as a heel region and generally corresponds to the rib 105. The arch region of the foot generally overlaps a portion of the forefoot that includes the metatarsal bone 103 (but not the phalange 102) and includes the tarsal bone 107 between the rib 105 and the metatarsal 103. Referring to FIG. 1A, the medial longitudinal arch region 107 is the head of the first metatarsal bone 103-1, the second metatarsal bone 103-2, and the third metatarsal bone 103-3 from the medial nodule of the rib 105. It is formed over. As shown in FIG. 1B, the longitudinal arch region 106 on the outer side of the foot 100 is formed from the outer node of the rib 105 to the head of the fourth metatarsal bone 103-4 and the fifth metatarsal bone 103-5. The Each region of the sole is generally divided into relative portions that generally correspond to these regions of the human foot, and the heel or hind foot region of the sole is commonly known as the location corresponding to the rib 105. The forefoot region of the sole corresponds to at least a location below the phalange 102. The sole arch area may be formed to encompass the entire anatomical arch of the foot, particularly for use in sports that apply high stress to the foot arch. In the present specification, the arch region of the shoe sole is a region including the metatarsal bone 103 including a location in front of the rear foot region.

  2 and 3, one embodiment of a stabilization device 201 for use in a shoe is made from a single piece of material such as plastic. Stabilizer 201 has a first end 202 and a second end 203 for attachment to a shoe. The first end 202 is configured to be attached to the rear foot region of the shoe. The second end 203 is configured to be attached to the arch area of the shoe. Stabilizer 201 includes an elongated portion 204 positioned between a first end 202 and a second end 203. In one embodiment, the first mounting end 202 corresponds to one end of the elongated portion 204 and the second mounting end 203 corresponds to the other end of the elongated portion 204.

  Stabilizer 201 also includes a sidewall portion 205 that extends laterally from elongated portion 204 along the length of elongated portion 204, preferably longer. The side wall portion 205 is configured to form part of the outer peripheral wall on the inside or outside of the shoe in which it is positioned. The side wall portion 205 has rigidity that continuously changes from the first end portion 202 toward the second end portion 203. In one embodiment, the stiffness of the sidewall portion 205 decreases continuously from the first end 202 toward the second end 203. In another embodiment, the stiffness of the sidewall portion 205 increases continuously from the first end 202 toward the second end 203.

  The elongated portion 204 is configured so that it cannot be attached to the front of the shoe arch area. By limiting the elongate portion 204 of the stabilizer 201 to the arch and heel region, the phalange 102 of the foot 100 can be bent while the wearer is walking or running, which assists the crossing and is more efficient. Allow movement.

  In addition to changing the stiffness of the sidewall portion 205, the stiffness of the elongated portion 204 can also be continuously changed from the first end 202 toward the second end 203. In one embodiment, the rigidity of the elongate portion 204 decreases continuously from the first end 202 toward the second end 203. In another embodiment, the stiffness of the elongated portion 204 increases continuously from the first end 202 toward the second end 203.

  In order to control the stiffness of the sidewall portion 205 and / or the elongated portion 204, the cross-sectional area formed from the sidewall portion 205 and the elongated portion 204 is continuous from the first end 202 toward the second end 203. Can change. In one embodiment, this cross-sectional area decreases continuously from the first end 202 toward the second end. In another embodiment, the cross-sectional area increases continuously from the first end 202 toward the second end 203.

  In another embodiment, the side wall portion 205 has a lower portion 207 configured to extend from the elongated portion 204 toward the ground contact surface of the shoe. In yet another embodiment, as best shown in FIG. 3, the lower extension 208 extends laterally along the length of the end of the lower portion 207 of the sidewall portion 205 away from the elongated portion 204. Preferably it extends. The lower extension 208 is configured to be attached in or between the two layers of the sole.

  Stabilizer 201 is configured to be positioned along the inside of the shoe or along the outside of the shoe. Referring to FIG. 4, when positioned on the inside of the shoe, the stabilization device 201 provides a precisely controlled stiffness that continuously decreases from the hindfoot region 224 to the arch region 226, thereby providing a Reduce joint pronation speed. In different embodiments, the stabilization device 201 can be positioned along the inside of the shoe so that its stiffness increases continuously from the hind foot region to the arch region. When positioned on the outside of the shoe, the stabilization device 201 reduces the protal velocity of the subtalar joint by providing a precisely controlled stiffness that increases continuously from the hindfoot region to the arch region. In another embodiment, the stabilization device 201 can be configured to have a stiffness that is positioned along the outside of the shoe and continuously decreases from the hindfoot region 224 to the arch region 226.

  4, 5, and 6 show a shoe sole 200 that houses the stabilization device 201. A shoe formed in accordance with the present invention may include an upper and a sole 200. The stabilizing device 201 is disposed along the inside or the outside of the shoe sole 200. The first end 202 of the stabilization device 201 is attached to the rear foot region 104 of the shoe sole 200. The second end 203 of the stabilization device 201 is attached to the arch area 106 of the sole 200. The side wall portion 205 of the stabilization device 201 preferably forms part of the peripheral wall 209 on the inside or outside of the shoe sole 200. Further, the elongated portion 204 has an upper surface 206 that can be positioned flush with the upper surface 212 of the sole 200.

  In one embodiment, the lower portion 207 of the sidewall portion 205 extends from the elongated portion 204 toward the ground contact surface 210 of the shoe sole 200. The lower extension portion 208 extends laterally from the lower portion 207. As shown in FIG. 6, the lower extension 208 can be attached between the two layers of the shoe sole 200, for example, between the ground plane 209 and the midsole 210.

  In one embodiment shown in FIG. 9, a stabilizing device 201 configured as an inner device and a stabilizing device 201 configured as an outer stabilizing device are positioned on the inner and outer sides of the same shoe 200, respectively.

  The elongate portion 204 of the stabilization device 201 extends along the circumference of the shoe 200 and extends from the inside or outside of the shoe toward but not beyond the longitudinal centerline of the shoe. In other embodiments, the stabilization device 201 also extends along the rear periphery of the shoe including the heel (FIGS. 9-11). In one embodiment, the stabilization device 201 extends from 15% to 40% of the sole 200 from the inside or outside of the sole 200 at the narrowest cross-sectional location of the sole 200. Most preferably, the device 201 extends over 20% to 35% of the width of the sole 200 at the narrowest cross-sectional location of the sole 200.

  One end 202 of the elongated portion 204 is positioned in the rear foot region of the shoe 200. In one embodiment, the first end 202 is configured to be positioned in a portion of the shoe sole located below the talus of the wearer's foot. In another embodiment, the first end 202 is positioned at a distance that is approximately 5% to 35% of the length of the shoe from the rear end 216 of the shoe 200. Most preferably, the distance is about 10% to 20%. In another embodiment, the distance is between about 12% and 18%.

  The second end 203 is positioned in the arch area of the shoe 200. For the stabilization device 201 positioned inside the shoe 200, the second end 203 may be positioned at a distance that is approximately 50% to 80% of the length of the shoe from the rear end 216 of the shoe 200. preferable. Most preferably, the distance is about 60% to 75% of the shoe length. In the case of the stabilization device 201 positioned outside the shoe 200, the second end 203 may be positioned at a distance that is approximately 50% to 80% of the length of the shoe 200 from the rear end 216 of the shoe. preferable. Most preferably, the distance is about 60% to 75% of the length of the shoe 200.

  7 and 8 show an alternative embodiment of a stabilization device 701 and a sole 700 that houses the stabilization device 701. Stabilizer 701 is made from a single piece of material such as plastic. Stabilizer 701 includes an elongate portion 704 that extends from a first end 702 positioned in the hind leg to a second end 703 positioned in the arch region. Stabilizer 701 also includes a sidewall portion 705 that extends between first end 702 and second end 703. Sidewall portion 705 extends laterally from elongated portion 704 along the length of elongated portion 704. The side wall portion 705 preferably forms part of the outer or inner peripheral wall 709 of the sole 700 in which it is positioned. The stiffness and cross-sectional area of the sidewall portion 705 and the elongated portion 704 are varied as described above with respect to FIGS. 2-6 in accordance with at least one of the described embodiments.

  Compared to the stabilization device 201 shown in FIG. 4, the sidewall portion 705 of the stabilization device 701 does not include the lower portion 207 or the lower extension portion 208. The absence of the lower portion 207 in the continuous side wall 704 reduces the stiffness that occurs when this lower portion 207 is present and improves overall control of the stiffness profile of the motion control device 701.

  FIG. 10 shows an alternative embodiment of the stabilization device of the present invention. Stabilizer 301 includes an extended saddle portion 213. The extension collar portion 213 extends integrally from the stabilizing device 201 positioned on at least one of the inner side and the outer side. In FIG. 10, the stabilization device 301 includes both an inner and outer stabilization device 201, but a stabilization device including an extended collar portion 213 connected to only one of the outer or inner stabilization devices 201 is also contemplated. Has been. The extended heel portion 213 includes an extended elongated portion 214 that is positioned in the rear foot region 224 of the sole and is integrally connected to the elongated portion 204 of the stabilization device 201. The elongated portion extends to the arch region 226. The extended saddle portion 213 also includes an extended sidewall portion 215 that is integrally connected to the sidewall portion 205 of the stabilization device 201. The extended heel portion 213 is configured to be positioned on the rear foot portion of the shoe 200. This is configured to extend from the inside of the shoe to the outside of the shoe 300 around the heel portion of the shoe.

  In one embodiment, the stiffness of the extended sidewall portion 215 and / or the elongated elongated portion 214 or both increases continuously toward the back of the extended heel portion 213 along the medial and lateral sides. In another embodiment, the stiffness of the extended sidewall portion 215, the extended elongated portion 214, or both decreases continuously toward the rear 216 of the extended heel portion 213 along the medial and lateral sides.

  FIG. 11 shows another embodiment of a stabilization device 401 attached to a shoe 400 having an extended heel portion 213, in which the elongated portion 204 and the sidewall portion 205 are both on the inside and outside of the shoe 400. Are positioned along. The extended elongated portion 214 is integrally formed with the elongated portion 204 positioned both inside and outside. The extended side wall portion 215 is integrally formed with the side wall portion 205 on the inner side and the outer side. In this embodiment, the side wall portion extends into the forefoot region.

  As can be seen most clearly in FIG. 3, the stabilization device of the present invention gradually curves upward so that the elongated portions (204, 704) merge into the upper portion of the sidewall portions (205, 705). It is preferably formed as a single piece seamless part. Preferably, the stabilization device of the present invention is formed using an injection molding process that allows the precise formation of a predetermined continuously and smoothly varying stiffness profile. The stabilizing device is preferably formed from a thermoplastic material, most preferably an injection molded soft thermoplastic material such as a thermoplastic polyurethane ("TPU"). However, any other material that exhibits well-defined stiffness and elastic properties that can be accurately formed in a device having a predetermined continuously and smoothly varying stiffness profile can be used.

  The stiffness of the stabilization device of the present invention can be varied from direction to direction as needed by varying the thickness of the thermoplastic material. Thus, the force applied to the shoe by the wearer's foot on the ground affects different thicknesses in various directions along the foot contact path. Compared to the thin area, the thicker the material, the higher the rigidity, and the higher resistance is positioned where it is needed. In this way, the stabilization device provides a continuous stiffness profile along the side of the shoe to control the movement of the wearer's foot along the foot grounding path and the foot Can be precisely shaped and shaped to provide a smooth resistance transition when rolling inward from the footpad before takeoff.

  It is also contemplated that the density of the thermoplastic material itself can be varied to control the stiffness of the stabilizer of the present invention. Those skilled in the art will appreciate that the combination of density and thickness can also be varied precisely to form a stabilizing device having the desired continuous stiffness profile. Thus, the stabilization device of the present invention can be used with any stiffness profile to provide continuously varying stiffness in any direction to control the movement of the wearer's foot along a predetermined foot contact path. Can be formed.

  In the illustrated embodiment, the stabilization device is positioned on the shoe midsole, but any one or more portions of the sole that may include an insole, an outsole, a midsole, or any combination thereof. It is understood that the device can be configured to be attached to In general, the stabilization device is configured to extend anywhere along the side of the wearer's foot above the sole and at any location below the plane of the wearer's foot. The side walls preferably extend along a portion of the shoe upper.

  While exemplary embodiments of the invention have been described herein with reference to the accompanying drawings, the invention and the claims are not limited to the exact same embodiments, and are within the spirit and scope of the invention. It should be understood that various other changes and modifications can be made by those skilled in the art without departing. Also, as will be apparent to those skilled in the art, various combinations of the embodiments and features taught in the above description are possible, and the preferred embodiments of the present invention can be obtained by the combination. Accordingly, such changes and modifications are intended to be within the scope of the invention as defined by the appended claims.

Claims (38)

A stabilizing device for use with a shoe having a shoe sole, medial and lateral sides, a hind leg region, and an arch region,
An elongate portion positioned between a first end for attachment to the rear foot region and a second end for attachment to the arch region, wherein the back along the circumference of the sole An elongated portion configured to extend from a foot region into the arch region and having a stiffness that continuously varies from the first end toward the second end;
A sidewall portion configured to extend from the rear foot region into the arch region, extending laterally from the elongated portion and exceeding at least one of the first end and the second end A lower portion configured to extend from the elongate portion toward the ground contact surface of the shoe, wherein the lower portion is configured to extend from the elongated portion toward the ground contact surface of the shoe. A stabilizing device comprising a side wall portion.   The stabilization device according to claim 1, wherein the rigidity of the elongated portion continuously decreases from the first end toward the second end.   The stabilization device of claim 1, wherein the stiffness of the elongate portion increases continuously from the first end toward the second end.   The stabilizing device according to claim 1, wherein a cross-sectional area formed by the side wall portion and the elongated portion continuously changes from the first end portion toward the second end portion.   The stabilization device according to claim 4, wherein the cross-sectional area continuously decreases from the first end toward the second end.   The stabilization device according to claim 4, wherein the cross-sectional area continuously increases from the first end toward the second end.   The stabilization device according to claim 1, wherein the rigidity of the side wall portion continuously changes from the first end portion toward the second end portion.   The stabilization device according to claim 7, wherein the rigidity of the side wall portion continuously decreases from the first end toward the second end.   The stabilization device of claim 7, wherein the stiffness of the sidewall portion increases continuously from the first end toward the second end.   The stabilization device of claim 1, wherein the stabilization device is configured to extend from one of the inside and the outside over 20% to 35% of the width of the shoe in the arch region.   The stabilization device of claim 1, wherein the elongate portion comprises a surface configured to be positioned flush with an upper surface of a shoe sole of the shoe.   The stabilization device of claim 1, further comprising a lower extension extending laterally from an end of the lower portion remote from the sidewall portion.   The stabilization device of claim 1, integrally formed from a thermoplastic material.   The stabilization device according to claim 13, wherein the thermoplastic material is an injection-molded thermoplastic resin.   The stabilization device of claim 1, configured to be positioned along the inside of the shoe.   The stabilization device of claim 1, configured to be positioned along the outside of the shoe. The stabilization device further includes an extension hook portion,
The extended collar portion is
An elongated portion integrally connected to the elongated portion and having a continuously varying stiffness;
An extended sidewall portion integrally connected to the sidewall portion,
The stability of claim 1, wherein the extended heel portion is configured to extend from one of the inner side or the outer side to the other of the inner side or the outer side of the shoe around the heel of the shoe end. Device.   The stabilization device of claim 17, wherein the stiffness of at least one of the extended sidewall portion and the elongated elongated portion continuously increases along the inner side and the outer side toward the rear of the extended heel portion.   The stabilization device of claim 17, wherein the rigidity of at least one of the extended sidewall portion and the elongated elongated portion continuously decreases along the inner side and the outer side toward the rear of the extended heel portion. A shoe comprising an upper, a shoe sole, an inner side and an outer side, a rear foot region, an arch region, and a stabilizing device positioned along one of the inner side and the outer side,
The stabilizer is
An elongate portion positioned between a first end attached to the rear foot region of the shoe and a second end attached to the arch region of the shoe, wherein An elongate portion extending along the circumference from the rear foot region into the arch region and having a stiffness that continuously varies from the first end toward the second end;
A side wall portion extending from the rear foot region into the arch region, extending laterally from the elongated portion and extending beyond at least one of the first end and the second end; A shoe comprising a side wall portion that forms a part of the peripheral wall of the shoe on one of the inner side and the outer side and has a lower portion that extends from the elongated portion toward the ground contact surface of the shoe.   21. A shoe according to claim 20, wherein the rigidity of the elongate portion decreases continuously from the rear foot region toward the arch region.   21. A shoe according to claim 20, wherein the rigidity of the elongate portion increases continuously from the rear foot region toward the arch region.   21. The shoe according to claim 20, wherein a cross-sectional area formed by the side wall portion and the elongated portion continuously changes from the rear foot region toward the arch region.   24. A shoe according to claim 23, wherein the cross-sectional area continuously decreases from the rear foot region toward the arch region.   24. A shoe according to claim 23, wherein the cross-sectional area increases continuously from the rear foot region toward the arch region.   21. A shoe according to claim 20, wherein the stiffness of the side wall portion varies continuously from the first end toward the second end.   27. A shoe according to claim 26, wherein the stiffness of the side wall portion decreases continuously from the first end toward the second end.   27. A shoe according to claim 26, wherein the stiffness of the side wall portion increases continuously from the first end toward the second end.   21. A shoe according to claim 20, wherein the stabilization device extends from one of the inside or the outside over 20% to 35% of the width of the shoe in the arch area.   21. A shoe according to claim 20, wherein the elongate portion comprises a surface positioned flush with an upper surface of the sole.   21. The shoe of claim 20, further comprising a lower extension portion that extends laterally from an end of the lower portion away from the sidewall portion toward a center of the shoe sole.   21. A shoe according to claim 20, wherein the stabilization device is integrally formed from a thermoplastic material.   33. A shoe according to claim 32, wherein the thermoplastic material is an injection molded thermoplastic resin.   21. A shoe according to claim 20, wherein the stabilization device is configured to be positioned along the inside of the shoe. 21. A shoe according to claim 20, wherein the stabilization device is configured to be positioned along the outside of the shoe . The stabilization device further includes an extension hook portion,
The extended collar portion is
An elongated portion integrally connected to the elongated portion and having a continuously varying stiffness;
An extended sidewall portion integrally connected to the sidewall portion,
21. A shoe according to claim 20, wherein the extended heel portion extends from one of the inner side or the outer side to the other of the inner side or the outer side of the shoe around the heel of the shoe end.   37. The shoe of claim 36, wherein the stiffness of at least one of the extended sidewall portion and the elongated elongated portion increases continuously along the inner side and the outer side toward the rear of the extended heel portion.   37. A shoe according to claim 36, wherein the stiffness of at least one of the extended side wall portion and the extended elongated portion continuously decreases along the inner side and the outer side toward the rear of the extended heel portion.

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