Upper Limb - Station 4 Flashcards
1
Q
two muscles tendons that bound the anatomical snuff box laterally
A
abductor pollicis longus and extensor pollicis brevis
2
Q
muscle tendon that is the medial border of the anatomical snuff box
A
extensor pollicis longus
3
Q
two carpal bones in the floor of the snuff box
A
scaphoid and trapezium
4
Q
artery on the floor of snuff box
A
radial artery
5
Q
what nerve innervates the extensor pollicis brevis and longus and abductor pollicis longus
A
posterior interosseus nerve (radial)
6
Q
which extensor pollicis doesn’t act on the IP joint of the thimb
A
extensor pollicis brevis
7
Q
action of extensor pollicises and APL on the CMC joints
A
extension
