Patient Attributes: Gender: Male Age: 16 years Clinical presentation:   He is an active in football and track, came in during track season complaining of severe left shoulder pain. He denied any traumatic event or previous injury to the shoulder, but reported that any motion involving the shoulder caused pain. It hurt at night, the patient said, when he lay on his left side. The physical Examination: No muscle atrophy, redness, or swelling was evident, nor was there any indication of asymmetry or ecchymosis in the affected area.

His neck range of motion was normal; He had a very hard time with any active motion of the shoulder, however, because of the pain. Evaluation of scapular motion demonstrated scapular dyskinesis without winging. Passive motion of the glenohumeral joint was much better than active motion. Strength testing appeared to be grossly intact but was limited by the pain.…