![Photo: Stefan Holm / Shutterstock.com](http://cdn.triathlete-europe.competitor.com/files/2015/11/larger-runner-300x169.jpg)
Photo: Stefan Holm / Shutterstock.com
Jay Dicharry has studied strides, footstrikes, injuries and ailments on thousands of runners over the years. An internationally renowned
Photo: Stefan Holm / Shutterstock.com
Jay Dicharry has studied strides, footstrikes, injuries and ailments on thousands of runners over the years. An internationally renowned