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

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Dorsal aspect of right forearm

Nerve supply to supinator muscle

The superficial lamina of the supinator has been detached from its origin and reflected upward.

1 .	Muscular branch of radial nerve (to supinator muscle)
2 .	Recurrent radial artery
3 .	Deep branch of radial nerve
4 .	Muscular branches of recurrent radial artery
5 .	Supinator muscle (superficial belly , reflected from origin)
6 .	Radius
7 .	Dorsal interosseous artery
8 .	Recurrent interosseous artery
9 .	Ulna
10 .	Supinator muscle (origin of superficial lamina)
11 .	Supinator muscle (deep lamina)
12 .	Anconeus muscle