thumb abductors Flashcards
1
Q
name the thumb abductors
A
Abductor Pollicis Longus
2
Q
Abductor Pollicis Longus origin
A
upper post. surfact of ulna, middle 1/3 of posterior surface of radius & interosseous membrane
3
Q
Abductor Pollicis Longus insertion
A
radial sde of the base of the first metacarpal
4
Q
Abductor Pollicis Longus nerve supply
A
post interosseous branch of radial nerve C 7 8
5
Q
Abductor Pollicis Longus action
A
abducts the thumb (+abductor pollicis brevis)
Ext of thumb cmc joint (+extensors)
moves thumb into a mid extended & abducted position
6
Q
Abductor Pollicis Longus function
A
catching a ball
