Abductor digiti minimi (hand)

Hypothenar — abducts little finger

Upper limbMuscular system

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

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Educational reference. This page summarizes standard anatomy study concepts. It is not medical advice and must not be used for diagnosis, treatment, surgical planning, or any clinical decision-making.

Your notes

Region

Upper limb — Shoulder, arm, forearm, and hand — from the rotator cuff to the intrinsic hand muscles.

All upper limb structures

Study this

Reinforce the Abductor digiti minimi (hand) with flashcards and quiz practice.

Flashcards Quiz

Flexor digiti minimi brevis (hand)

Hypothenar — flexes little finger

Muscle

Opponens digiti minimi

Hypothenar — cups the palm

Muscle

Lumbricals (hand)

Flex MCP, extend IP joints

Muscle

Palmar interossei

ADduct the fingers (PAD)

Muscle

Dorsal interossei (hand)

ABduct the fingers (DAB)

Muscle

Flexor digitorum profundus

Only muscle flexing the DIP joints

AnatomyDeck

210 structures · 680 flashcards · quizzes. A study reference for human gross anatomy.

AnatomyDeck is an educational study reference for human anatomy coursework. It is not medical advice and is not a tool for diagnosis, treatment, surgical planning, or any clinical decision-making. Always defer to your instructors, dissection materials, current references, and licensed professionals.