Tennis Elbow What is tennis elbow and how can physical therapy help? Tennis elbow, also known as lateral epicondylitis, is a painful condition caused by excessive use of the extensor muscles in your forearm and arm, specifically where tendons attach to the rounded projections on the outside of the elbow. The same muscles that you use to grip, twist and carry objects with are attached to the lateral epicondyle at the elbow. Therefore, even a movement with the hand or wrist can still cause tons of pain in the elbow. Furthermore, tennis elbow can happen to anyone —- athletes, businessmen, […]