Extensor digiti minimi

Origin	The anterior portion of the lateral epicondyle of the humerus (common extensor tendon)
Insertion	At the extensor expansion, located at the base of the proximal phalanx of the finger on the dorsal side
Action(s)	Extends the little finger at all joints
Nerve Supply	Posterior interosseous nerve (C7, C8)
Arterial Supply	The posterior interosseous artery which originates from the common interosseous artery and more proximally, the ulnar artery
Physical Exam	Enter physical examination maneuvers for muscle
Clinical Importance	Enter clinical importance of muscle
Disease States	Enter links to pages where muscle involved
Discussion	An additional fibrous slip from the lateral epicondyle; the tendon of insertion may not divide or may send a slip to the ring finger. Absence of muscle rare; fusion of the belly with the Extensor digitorum communis not uncommon.

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From Wikipedia:
Extensor digiti minimi

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Last Updated on June 27, 2024

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