According to evolutionary biologists, humans have been running for about two million years. For most of this time, running was essential to human survival activities like hunting, warfare, and fleeing danger produced better outcomes at a faster pace. It is only in the last few hundred years that running has become a recreational skill confined to the realms of sport or diet, a trend that has increased in the western world as our daily lifestyles become more sedentary.

Despite this long history of human running, somewhere between one- and three-quarters of all runners will be injured in a given year. For physical therapist and biomechanics expert Dr. Irene Davis, […]