Monday, March 22, 2010

THE SHOE MUST GO ON

By Sally Young
Email yo-sal@cox.net

People who are new to running will fare best with modestly priced shoes from a "mom and pop" runner's store. Big box stores and franchises may not have a consistently reliable staff of experienced marathoners and track athletes who can give a beginner genuine attention. And whether running for fitness or competition, these stores have a "family feel" that welcomes everyone into the running community.

While running, the feet collide with the ground at an impact of twice the body weight, generating whole body vibrations that cause muscle fatigue and injury. Shoes with durable foam midsoles of ethylene vinyl acetate (EVA) provide cushioning over the plantar surface for comfort and endurance. Heel strikers may benefit from column cushioning, made from the same material as
jounce bumpers ("bumpstops"), the shock absorbers in automobile frames. Spring-loaded shoes have been declared illegal by the USA Track & Field.

Marathoner Abebe Bikila, the first black African to take home the Gold at an Olympic event, memorialized barefoot running with his graceful en pointe stride. Barefoot runners land on the forefoot, allowing tendons and ligaments to absorb much of the impact. Vibram Fivefingers fit like a rubber glove to simulate barefoot running with minimal protection.

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