Dorsal aspect of right forearm

Relations of extensor muscles to ulnar border of forearm

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Image #106-2

Dorsal aspect of right forearm Relations of extensor muscles to ulnar border of forearm The specimen shown in the previous view has been turned medially so that the relation of the ulna (15) to the extensor muscles (above) and the flexor muscles (below) is visible. 1 . Dorsal antebrachial cutaneous nerve 2 . Lateral epicondyle of humerus 3 . Common extensor digitorum muscle 4 . Anconeus muscle 5 . Extensor digiti minimi muscle 6 . Extensor carpi ulnaris muscle 7 . Styloid process of ulna 8 . Triceps brachii muscle 9 . Olecranon 10 . Ulnar nerve (in sulcus of ulnar nerve) 11 . Medial epicondyle of humerus 12 . Middle antibrachial cutaneous nerve 13 . Flexor carpi ulnaris muscle (ulnar head) 14 . Basilic vein 15 . Body of ulna 16 . Dorsal hand branch of ulnar nerve