About the Author

Dr. Joseph Ellis is a podiatrist who specializes in the treatment of sports-related injuries. A longtime runner, Dr. Ellis was one of the initial panelists for the annual Runner's World shoe survey and currently is on that magazine's science advisory board. In addition to lecturing internationally, he has written hundreds of articles on running injuries and has consulted for several athletic shoe manufacturers. He is the medical director for his sports-medicine clinic in La Jolla, CA.