The abductor digiti minimi is a hypothenar muscle located within the hand. It is the most superficial of the hypothenar muscles.
- Attachments: Originates from the pisiform and the tendon of the flexor carpi ulnaris. Attaches to the base of the proximal phalanx of the little finger.
- Actions: Abduction of the little finger
- Innervation: Ulnar nerve.
- Blood supply: Deep palmar arch