Wrist And Hand Flashcards
1
Q
Extrinsic hand muscles NOT in a sheath
A
Palmaris longus
Flexor carpi ulnaris
2
Q
Compartment 1
A
Abductor pollicis longus
Extensor pollicis brevis
3
Q
Compartment 2
A
Extensor carpi radialis longus and brevis
4
Q
Compartment 3
A
Extensor pollicis longus
5
Q
Compartment 4
A
Extensor indicis
Extensor digitorum
6
Q
Compartment 5
A
Extensor digiti minimi
7
Q
Compartment 6
A
Extensor carpi ulnaris
8
Q
Branch of radial nerve that supplies finger extensors
A
Posterior interosseus
9
Q
Ulnar variance - positive sign
A
Long ulna relative to the radius - increased likelihood of impingement of triangular fibrocartilage complex (TFCC)
10
Q
Ulnar variance - negative sign
A
Short ulna relative to the radius - more stress on radius, increased degeneration
