Extensor Digiti Minimi


Origin: Lateral epicondyle of the Distal humerus, the common forearm extensor origin, and the forearm extensor intermuscular septa

Insertion: Extensor mechanism and the dorsal base of the small finger Proximal Phalanx

Function: Extends the small MCP and PIP joints, and extends the CMC joint when these joints are flexed.

Nerve: Posterior Interosseous Nerve

Artery: Posterior Interosseous artery

Anatomy Home Page