Tennis Elbow

Tennis elbow, or lateral epicondylitis, is characterized by pain at the lateral (outer) aspect of the elbow. The patient may also complain of tenderness on palpation of the area of concern, usually the dominant arm. This entity was first described in a scientific article in 1873, and since that time, the mechanism of injury, pathophysiology, and treatment of this condition have been much debated.

The disorder is due to overuse of the extensor carpi radialis brevis (ECRB) muscle, which originates at the lateral epicondylar region of the distal humerus. Tennis elbow ...