Opponens digiti minimi

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Opponens digiti minimi
Opponens digiti minimi.GIF
System: Muscle
Function: Opposition of the little finger
Origin: Flexor retinaculum, hook of hamate
Branches:
Insertion: Medial border of shaft of little metacarpal
Arterial supply:
Venous drainage:
Lymphatic drainage:
Innervation: Deep terminal branch of the ulnar nerve (C8, T1)
Vertebral levels:
Search for Opponens digiti minimi in Gray's.

Opponens digiti minimi (opponens digiti quinti, opponens quinti digiti, opponens minimi digiti) is a muscle of the hypothenar eminence that opposes the little finger.

Contents

Shape

Opponens digiti minimi is triangular, and lies beneath palmaris brevis, flexor digiti minimi brevis and abductor digiti minimi.

Actions

Allows opposition of the little finger, by:

Joints Affected

Origin

Insertion

Nerve Supply

Relations

Superficially:

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