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 Posted: Fri 8:12, 26 Jul 2013 Post subject: Throw away your fancy running shoes |
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Throw away your fancy running shoes
Dr. Eric Cobb, the creator of the ZHealth Performance Solutions System likes to ask the question: why do we pretend our feet are made of different stuff than the rest of our body?
In his classes, Dr. Cobb asks: we designed a neck brace that interfered with our ability to move our neck, and we wore that brace 1215 hours a day nearly every day of our lives, what would you expect to happen to your neck? invariable answer is: weakness,[link widoczny dla zalogowanych], stiffness,[link widoczny dla zalogowanych], attrophy, etc.
Footwear weakens our natural foot structures; creating the need for external support (motion control, torsion, control,[link widoczny dla zalogowanych], pronation control,[link widoczny dla zalogowanych], cushioning / impact control, etc.). The externally supported foot however, never matches the performance of a well functioning foot.
On the Sportscience website, Australian Physical Therapist Michael Warburton writes: barefoot is associated with a substantially lower prevalence of injuries of the ankle and chronic injuries of the lower leg in developing countries. shod running and comes to the following conclusions:
Running in shoes appears to increase the risk of ankle sprains, either by decreasing awareness of foot position or by increasing the twisting torque on the ankle during a stumble.
Running in shoes appears to increase the risk of plantar fasciitis and other chronic injuries of the lower limb by modifying the transfer of shock to muscles and supporting structures.
Running in bare feet reduces oxygen consumption by a few percent. Competitive running performance should therefore improve by a similar amount, but there has been no published research comparing the effect of barefoot and shod running on simulated or real competitive running performance.
Research is needed to establish why runners choose not to run barefoot. Concern about puncture wounds, bruising, thermal injury,[link widoczny dla zalogowanych], and overuse injury during the adaptation period are possibilities.
Running shoes play an important protective role on some courses, in extreme weather conditions, and with certain pathologies of the lower limb.
Shoes are very much a necessity, and a societal norm, for most Americans; but we do have choices. Many shoe manufacturers are producing more mobile profile shoes. Nike introduced the Free,[link widoczny dla zalogowanych], a shoe designed to move with your feet.
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