Bassett Collection Large Image - Lane Medical Library, Stanford University Medical Center

For permissions information regarding the use of these images, please contact Drew Bourn at dbourn@stanford.edu

Dorsal aspect of right forearm

Nerve supply to extensor digitorum communis muscle

The muscle has been retracted downward.

1 .	Brachialis muscle
2 .	Position of head of radius (covered by articular capsule)
3 .	Supinator muscle
4 .	Common extensor digitorum muscle (retracted)
5 .	Deep branch of radial nerve (muscular branches)
6 .	Branches of dorsal interosseous artery
7 .	Extensor pollicis longus muscle
8 .	Left pointer: Muscular branch of radial nerve (to extensor carpi radialis brevis muscle) Right pointer: Deep branch of radial nerve
9 .	Radial artery
10 .	Extensor carpi radialis brevis muscle
11 .	Abductor pollicis longus muscle