Lane Medical Library

Bassett Collection of Stereoscopic Images of Human Anatomy

Dorsal aspect of hand

Compartments for extensor tendons deep to dorsal carpal ligament

Image #109-4

KEYWORDS: Fascia ligaments and tendons, Hand and fingers.

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Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Dorsal aspect of hand
Compartments for extensor tendons deep to dorsal carpal ligament
The ligament has been cut to expose the tendons lying within the various compartments. The synovial sheaths of these tendons have been opened. The proximal and distal limits of these sheaths are not sharply defined on all of the tendons.
1 . Extensor pollicis brevis muscle
2 . Extensor carpi radialis longus muscle (tendon)
3 . Extensor carpi radialis brevis muscle (tendon)
4 . Extensor pollicis longus muscle (tendon)
5 . Branches of dorsal metacarpal artery I
6 . Dorsal interosseous muscle I
7 . Metacarpal II
8 . Extensor indicis muscle (tendon)
9 . Junctural tendon
10 . Dorsal interosseous muscle IV
11 . Common extensor digitorum muscle (tendons)
12 . Extensor carpi ulnaris muscle (tendon)
13 . Dorsal carpal ligament (cut to open compartments containing extensor tendons)
14 . Left pointer: Styloid process of ulna Right pointer: Extensor digiti minimi muscle (tendon)

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