Intrinsic Muscles of Hand Pt. 1 Flashcards
1
Q
Abductor Digiti Minimi
A
A: abduction of 5th digit
I: ulnar
2
Q
flexor digit minimi brevis
A
A: flexion of 5th digit (proximal phalanx)
I: ulnar
3
Q
opponens digiti minimi
A
A: opposition of 5th digit with pollex
4
Q
palmar interossei
A
A: adduction of digits 2,4, and 5
I: Ulnar
5
Q
dorsal interossei
A
A: abduction of digits 2-5/flexion of MCP and extension of IP joints via extensor hood mechanism
I: Ulnar
6
Q
lumbricals
A
A: flexion of MCP joints and extension of IP joints (via extensor hood mechanism) of digits 2-5
I: 1st-2nd Median
3rd-4th ulnar
