Stress fracture reduction midsole

Boots – shoes – and leggings – Soles – Sectional

Patent

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Details

36 30R, 36 28, 36114, A43B 1312, A43B 1316, A43B 1318

Patent

active

050779150

ABSTRACT:
A shoe that reduces the likelihood of stress fractures occurring in the wearer's metatarsals. The shoe includes a midsole made of (i) a stress modulation layer that is made of material of relatively high duromoeter in the region of the first, fourth and fifth metatarsal, and a material of medium durmoeter in the region of the second and third durometer, and (ii) a stress moderation layer made mostly of a material of relatively low durometer.

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Advertisement, "Le Coq Sportif introduces the ultimate in shock absorption," Apr. 1985.
"A Mechanical Model of Metatarsal Stress Fracture During Distance Running", Gross & Bunch, 1987.

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