The Hand Flashcards
1
Q
Extrinsic extensors
A
@ wrist: ECRL ECRB ECU @digits Extensor digitorum abductor pollicis longus extensor pollicis brevis extensor pollicis longus extensor indicis extensor digiti minimi
2
Q
primary function of extrinsic extensors
A
open hand
flatten transverse and longitudinal arches
release grasp of objects
3
Q
3 layers of extrinsic flexors
A
superficial
intermediate
deep
4
Q
superficial extrinsic flexors
A
flexor carpi radialis
palmaris longus
flexor carpi ulnaris
5
Q
intermediate extrinsic flexors
A
flexor digitorum superficialis
6
Q
deep extrinsic flexors
A
flexor pollicis longus
flexor digitorum profundus
7
Q
intrinsic hand muscles divided into
A
dorsal
volar
8
Q
dorsal intrinsic muscles
A
dorsal interossei
abductor digiti minimi
9
Q
volar intrinsic muscles divided into
A
superficial
deep
10
Q
superficial volar intrinsic hand muscles
A
lumbercals flexor digiti minimi Thenar muscles: abductor pollicis brevis flexor pollicis brevis opponens pollicis adductor pollicis
11
Q
deep volar intrinsic hand muscles
A
palmar interossei
opponens digiti minimi
