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) | 
