Name

# Flexor Digiti Minimi Brevis (hand)

Pronunciation

(FLEK-sur DIJ-i-tee MIN-I-mee BREV-is)

Origin/Proximal Attachment

Distal border of flexor retinaculum; hook of hamate

Insertion/Distal Attachment

Medial aspect of base of proximal phalanx of 5th digit

Action/Relevance

Flexes 5th digit (at Metacarpophalangeal joint)

Innervation

Ulnar nerve - deep branch (C8, T1)

Notes

Flexor digiti minimi brevis flexes the little finger at the metacarpophalangeal joint.

It arises from the hook of the hamate bone and the flexor retinaculum. It inserts into the ulnar side of the base of the proximal phalanx.

It is supplied by a deep branch of the ulnar nerve (C8, T1).