Flexor Digiti Minimi Brevis (Hand)

Written by Oliver Jones

Last updated January 31, 2023 • 3 Revisions

The flexor digiti minimi brevis is a hypothenar muscle located within the hand. It is located lateral to the abductor digiti minimi brevis.

  • Attachments: Originates from the hook of hamate and adjacent flexor retinaculum. Inserts onto the base of the proximal phalanx of the little finger.
  • Actions: Flexion at the metacarpophalangeal joint joint of the little finger.
  • Innervation: Ulnar nerve.
  • Blood supply: Deep palmar arch.

Figure 1
Superficial and deep layers of the hypothenar muscles

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