http://www.ministry-of-fisheri....es-somalia.com/what-
What are among their annoying? Well for one, NOT bending the knees enough; which results in a lot of impact near the ankles and knees. And two, developing the practice of landing on the heel, as opposed to the forefoot. This, basically stops the runner's forward momentum, and 'puts the brakes on.' Also, it sends a 'shock' through the whole of the leg, ranging from the heal, and sending it up through the knee. Not good, and a major explanation why runner's in padded, expensive shoes, claims McDougall, suffer