We've created an unnatural form of running. It's not just...
We've created an unnatural form of running. It's not just the shoes, but we run on artificial surfaces - straight ahead, hard and steady - instead of speeding up and slowing down, reacting to the terrain with changes of pace and rhythm.
![Christopher McDougall Quote About Running, Shoes, Pace: Weve Created An Unnatural Form...](http://qt.azureedge.net/resources/quotes-images-large/weve-created-an-unnatural-form-of-running-its-not-just-the-shoes-but-we-run-o-61a0f748853f4061f0e8d647853220b5.jpg)