[Muscles] Hypothenar Muscles Flashcards
1
Q
Abductor digiti minimi
A
O: pisiform bone and tendon of FCU Ins: base of proximal phalanx of 5th digit Inn: Deep branch of ulnar nerve Bs: Ulnar artery Action: abducts little finger at MCP jt
2
Q
Flexor digiti minimi brevis
A
O: flexor retinaculum, hook of hamate bone
Ins: Base of proximal phalanx of little finger
Inn: deep branch of ulnar nerve
Bs: Ulnar artery
Action: Flexes proximal phalanx of little finger at MCP jt
3
Q
Opponens digiti minimi
A
O: Flexor retinaculum, hook of hamate bone
Ins: Medial aspect of MC V
Inn: Deep branch of ulnar nerve
Bs: Ulnar artery
Action: Abducts, flexes, laterally rotates 5th MC
