Tennis elbow', is characterized by -
Tennis elbow is extraarticular affection characterized by pain and acute tenderness at the origin of the extensor muscles of the forearm from the lateral epicondyle.
It is believed to be caused by a strain of the forearm extensor muscles, particularly the extensor carpi radialis brevis, at the point of their origin from lateral epicondyle.
Tenderness over the medial epicondyle
Tendinits of common extensor origin
Tendinitis of common flexor origin
Painful flexion and extension