Shoulder pain and injuries can have multiple causes, such as athletics, overuse, acute trauma and arthritis. Don’t ignore the pain. Playing through or waiting for the pain to subside could make the pain or injury worse and potentially result in long-term negative effects. Steven D. Levin, MD, Sports Medicine Orthopaedic Surgeon at NorthShore, answers questions on shoulder injuries, pain,and arthritis, including prevention, treatment and recovery. Submit your questions early.