injuries poisoning
Lateral Epicondylitis
Key Points
Lateral epicondylitis can result from repetitive and forceful forearm supination and pronation, and/or extension of the forearm and wrist; such motions involve the extensor carpi radialis brevis and longus muscles of the forearm, which originate from the lateral epicondyle of the elbow. Typical activities that involve such motions include a backhand return in racket sports (eg, tennis) and using a screwdriver. Pain along the common extensor tendon when the long finger is extended against resistance and the elbow is held straight is diagnostic. Treat initially with rest, ice, NSAIDs, and stretching of the extensor muscles, followed by exercises to strengthen wrist extensors and flexors. Sometimes corticosteroid injections and rarely surgery may help. 