Tennis elbow, also known as lateral epicondylitis, is a common condition characterized by pain and tenderness on the outside of the elbow. It is caused by overuse and inflammation of the tendon that connects the arm muscles to the bony bump on the outside of the elbow joint (lateral epicondyle).
Although the name suggests a connection to tennis, tennis elbow can affect anyone who performs repetitive activities that stress the muscles and tendons of the arm.
In tennis elbow, repetitive motions that stress these tendons, particularly the extensor carpi radialis brevis, cause microtears and inflammation at the tendon’s attachment point on the lateral epicondyle. This inflammation causes pain and tenderness on the outside of the elbow.
The most common symptom of tennis elbow is pain near the bony bump (lateral epicondyle) on the outside of the elbow. This pain can be:
The main cause of tennis elbow is overuse of the forearm muscles and tendons involved in wrist and finger extension. Activities that can contribute to tennis elbow include:
Although anyone can develop tennis elbow from repetitive activities, certain factors can increase the risk:
Diagnosing tennis elbow typically involves:
The healthcare professional will assess the affected elbow for:
Imaging tests are not usually necessary for diagnosing tennis elbow, but in some cases, X-rays or ultrasounds might be helpful
In some cases, specific techniques may be used to help confirm the diagnosis:
Resisted Wrist Extension Test (Cozen’s Test): The healthcare professional will ask you to extend your wrist while they push down on your hand to resist the movement. Pain on the outer elbow .
The good news is that tennis elbow usually responds well to conservative treatment. Here’s an overview of common treatment options:
If conservative measures fail to provide adequate relief after several months of treatment, other options may be considered:
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