Eric Cressey is the Director of Player Health and Performance for the New York Yankees and President and Co-Founder of Cressey Sports Performance. A highly sought after performance coach who specializes in applied kinesiology and biometrics, Eric trains athletes of all levels from youth sports to the professional ranks. Also an accomplished author and world-class powerlifter, Eric joins Nick to discuss how specialization can cause overuse injuries, the appropriate time for kids to start weightlifting, and how parents can help their children learn the value of healthy eating.