Muscle
Abductor digiti minimi (hand)
Hypothenar - abducts little finger
High-yield
Hypothenar muscle; abducts the 5th digit. Ulnar nerve (deep branch).
Overview
The most medial hypothenar muscle, abducting the little finger. Deep branch of the ulnar nerve.
Reference facts
- Origin
- Pisiform and the tendon of flexor carpi ulnaris
- Insertion
- Medial base of the proximal phalanx of the little finger
- Action
- Abducts the little finger
- Innervation
- Deep branch of the ulnar nerve (C8, T1)
- Blood supply
- Deep palmar arch / ulnar artery
Frequently asked questions
What does the abductor digiti minimi (hand) do?
The abductor digiti minimi (hand) abducts the little finger.
What nerve innervates the abductor digiti minimi (hand)?
The abductor digiti minimi (hand) is innervated by the deep branch of the ulnar nerve (C8, T1).
Where does the abductor digiti minimi (hand) attach?
The abductor digiti minimi (hand) originates from the pisiform and the tendon of flexor carpi ulnaris and inserts on the medial base of the proximal phalanx of the little finger.
What is the blood supply of the abductor digiti minimi (hand)?
The abductor digiti minimi (hand) is supplied by the deep palmar arch / ulnar artery.