Dorsal aspect of right forearm

Deep layer of extensor muscles, general view

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Image #108-1

Dorsal aspect of right forearm Deep layer of extensor muscles, general view 1 . Supinator muscle 2 . Pronator teres muscle (insertion) 3 . Radius 4 . Extensor carpi radialis longus and brevis muscles (tendons) 5 . Abductor pollicis longus muscle 6 . Extensor pollicis brevis muscle 7 . Left pointer: Extensor carpi radialis longus muscle (tendon) Right pointer: Extensor carpi radialis brevis muscle (tendon) 8 . Radial artery 9 . Extensor pollicis longus muscle 10 . Dorsal metacarpal artery II 11 . Dorsal interosseous muscles 12 . Common extensor digitorum muscle (tendons, cut off) 13 . Dorsal carpal ligament (compartments for extensor tendons opened) 14 . Compartment for extensor digiti minimi muscle 15 . Styloid process of ulna 16 . Extensor indicis muscle 17 . Intermuscular septum 18 . Dorsal interosseous artery 19 . Deep branch of radial nerve