Extensor Digiti Minimi

Region: Forearm & Hand Muscles · All forearm & hand muscles

Extensor Digiti Minimi at a glance

OriginLateral epicondyle of the humerus (common extensor origin)
InsertionExtensor expansion of the little finger
ActionsStraightens the little finger
Nerve supplyPosterior interosseous nerve (C7–C8)
Please note: This page is an anatomy education summary for students and curious readers, not medical advice. Attachment points are given in their classic short form; individual anatomy varies, and detailed dissection-level descriptions belong in an anatomy atlas.