Name
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).