Footwear to enhance natural gait
First Claim
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1. An article of footwear comprising:
- an upper for covering of a wearer'"'"'s foot;
a midsole/outsole secured to said upper for covering a sole of said wearer'"'"'s foot and having an inside face adjacent said sole and an outside face for interfacing with an underlying surface;
said midsole/outsole having a region of enhanced flexibility corresponding to a metatarsal region of a person'"'"'s foot defined by a medial posterior boundary not less than 70% of the length of said midsole/outsole, a medial anterior boundary not more than 80% of the length of said midsole/outsole a lateral anterior boundary not more than 70% of the length of said midsole/outsole and a lateral posterior boundary not more than 60% of the length of said midsole/outsole; and
said midsole/outsole has a heel region corresponding with a wearer'"'"'s heel and a convex curvature to said outer face in said heel region;
said convex curvature has a radius of curvature approximately coincident with a long axis of rotation of said wearer'"'"'s foot and with a sagittal plane centre of mass of a calcaneus of said wearer'"'"'s foot.
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Abstract
An article of footwear that acts to strengthen the foot through biofeedback, reduces stresses on the foot that occur during impact through midsole/outsole design characteristics, and enhances the foot'"'"'s ability to pre-stabilize itself prior to striking the ground by utilizing the foot'"'"'s “Windlass Effect”.
24 Citations
8 Claims
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1. An article of footwear comprising:
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an upper for covering of a wearer'"'"'s foot; a midsole/outsole secured to said upper for covering a sole of said wearer'"'"'s foot and having an inside face adjacent said sole and an outside face for interfacing with an underlying surface; said midsole/outsole having a region of enhanced flexibility corresponding to a metatarsal region of a person'"'"'s foot defined by a medial posterior boundary not less than 70% of the length of said midsole/outsole, a medial anterior boundary not more than 80% of the length of said midsole/outsole a lateral anterior boundary not more than 70% of the length of said midsole/outsole and a lateral posterior boundary not more than 60% of the length of said midsole/outsole; and
said midsole/outsole has a heel region corresponding with a wearer'"'"'s heel and a convex curvature to said outer face in said heel region;
said convex curvature has a radius of curvature approximately coincident with a long axis of rotation of said wearer'"'"'s foot and with a sagittal plane centre of mass of a calcaneus of said wearer'"'"'s foot. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification