Opponens Digiti Minimi

This is unpublished
Opponens digiti minimi.

Origin: Hook of hamate and flexor retinaculum
Insertion: Medial border of 5th metacarpal
Action: Draws 5th metacarpal anteriorly and rotates it, bringing little finger (5th digit) into opposition with thumb
Innervation: Deep branch of ulnar nerve (C8 and T1)
Arterial Supply: Ulnar artery

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Upper Extremity