Abductor digiti minimi (hand)

Anatomy

Origin:
Pisiform and tendon of flexor carpi ulnaris.

Insertion:
Ulnar aspect of the base of the proximal phalanx of the little finger and ulnar border of the extensor apparatus of the little finger.

Key Relations:
Is one of the muscles of the hypothenar eminence of the hand.

Functions

Abduction of the little finger at the metacarpophalangeal joint.

Supply

Nerve Supply:
Deep branch of the ulnar nerve (C8, T1).

Blood Supply:
Deep palmar branch of the ulnar artery.

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