Muscle of the fingers

The extensor digitorum digiti minimi is a muscle of the human body that is located in the posterior region of the forearm. It originates in the lateral epicondyle of the humerus, in the external region of the elbow next to the common extensor digitorum of the fingers, and is inserted in the first phalange of the little finger and in the most ulnar portion of the tendon of the common extensor digitorum of the fingers. When contracted causes the extension of the wrist and the extension of the first phalange of the little finger. It is innervated by the posterior interosseous nerve, branch of the radial nerve.

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