http://barefootrunningshoes.org <br /><br />A video comparing the walking / running heel strike and movement of the Nike Free 5.0 V4 shoe versus barefoot running on a treadmill. <br /><br />Check out the blog post: http://barefootrunningshoes.org/2009/11/04/nike-free-5-0-v4-running-shoe-vs-barefoot-running/
