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Special section: Feet: How your feet work - and three steps for keeping them healthy.

Publication: Harvard Health Letter
Publication Date: 01-AUG-09 		Format: Online
Delivery: Immediate Online Access

Article Excerpt
Special section: Feet

How your feet work * and three steps for keeping them healthy

Standing and walking on two legs has many advantages over depending on four, six, or even eight, but it does mean we ask a lot of our poor two feet. They need to provide a steady base for the rest of the body to perch upon. They serve as shock absorbers as we walk, smoothing out the impact of landing with a force that exceeds our body weight. Run, and there's even more force and a need for cushioning. They act as levers that propel us forward * and occasionally in other directions.

An engineering feat

Tall orders for two low-level body parts? Most of the time, our feet are up to the job because of some rather amazing anatomy and biomechanics.

Each of them has...

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