There was a very interesting article along similar lines recently, entitled "You Walk Wrong: It took 4 million years of evolution to perfect the human foot. But

There was a very interesting article along similar lines recently, entitled "You Walk Wrong: It took 4 million years of evolution to perfect the human foot. But we’re wrecking it with every step we take.": http://nymag.com/health/features/46213/ http://nymag.com/health/features/46213/