Unit 2 - Upper Limb: Dorsal Compartment of the Hand for Extensor Tendons (Ex. II) Flashcards
1
Q
roof
A
extensor retinaculum
2
Q
floor
A
dorsal surfaces of distal radius and ulna
3
Q
contents
A
extensor tendons of forearm muscles –> pass through compartments to dorsum of hand
4
Q
dorsal carpal synovial tendon sheaths
A
enclose extensor tendons as they pass through the dorsal compartments
5
Q
1st
A
abductor pollicis longus
extensor pollicis brevis
most radial
6
Q
2nd
A
extensor carpi radialis longus
extensor carpi radialis brevis
radial wrist extensors
7
Q
3rd
A
extensor pollicis longus
8
Q
4th
A
extensor digitorum
extensor indicis
9
Q
5th
A
extensor digiti minimi
10
Q
6th
A
extensor carpi ulnaris
11
Q
location
A
P surface of wrist
12
Q
commonalities
A
common origin: L epicondyle
common innervation: radial nerve
common stabilizer: extensor retinaculum
