The common extensor tendon serves as the upper attachment (in part) for the superficial muscles that are located on the posterior aspect of the forearm: The tendon of extensor carpi radialis brevis is usually the most major tendon to which the other tendons merge.
This enables finger extension and aids in forearm supination.
Lateral elbow pain can be caused by various pathologies of the common extensor tendon.
[3] Overuse injuries can lead to inflammation.
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