Nicholas A. DiNubile, MD, an orthopedic surgeon specializing in sports medicine and bestselling author, has served as orthopedic consultant to the Philadelphia 76ers and the Pennsylvania Ballet. His advice has been featured on prime-time television and in the New York Times, the Washington Post, and Newsweek. His award-winning television special, Your Body's FrameWork, has been aired on PBS nationwide. Learn more about Dr. DiNubile at DrNick.com.