AnatomyDeck

Muscle

Flexor digiti minimi brevis (hand)

Hypothenar — flexes little finger

Upper limbMuscular system

High-yield

Hypothenar; flexes MCP of the 5th digit. Ulnar nerve.

Overview

A hypothenar muscle flexing the little finger at the MCP joint. Deep branch of the ulnar nerve.

Reference facts

  • Origin

    Hook of the hamate and flexor retinaculum

  • Insertion

    Medial base of the proximal phalanx of the little finger

  • Action

    Flexes the MCP joint of the little finger

  • Innervation

    Deep branch of the ulnar nerve (C8, T1)

  • Blood supply

    Deep palmar arch

Your notes