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Extensor carpi ulnaris muscle

In this article, we will discuss about the extensor carpi ulnaris muscle. So, let’s get started.

Extensor carpi ulnaris muscle

It originates from the lateral epicondyle of the humerus and posterior border of the ulna and gets inserted into the base of the 5th metacarpal. It is innervated by the posterior interosseous nerve and artery supply is through the ulnar artery. Its chief action is extension and adduction of the wrist. Clinically, injury to extensor carpi ulnaris muscle leads to Tennis elbow.

Courtesy:- https://www.physiocheck.co.uk/condition/54/extensor-carpi-ulnaris-tendinopathy

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