Lateral epicondylitis, also commonly referred to as tennis elbow, is a painful condition caused by trauma to the elbow or overuse of the elbow.¹ This condition causes pain on the outside of the upper arm and near the elbow. Tennis elbow tends to occur because of repeated stress or trauma inflicted on the elbow’s tendons, which can sometimes result from repeated use of the forearm muscles.

The tendon that often contributes to tennis elbow pain is the extensor carpi radialis brevis tendon. This tendon may deve ...