 Orthopedic surgeons are seeing an increase in overuse injuries when young athletes perform the same repetitive stressful motions over and over. Pitching, tennis, weight training, even long swimming workouts can cause overuse trauma that may require surgery. If your kids play and train hard, visit orthoinfo.org or stopsportsinjuries.org. A message from the American Academy of Orthopedic Surgeons and the American Orthopedic Society for Sports Medicine.