1
.
| Superficial branch of radial nerve |
2
.
| Dorsal carpal ligament (compartments for extensor tendons visible deep to ligament) |
3
.
| Articular branch of superficial branch of radial nerve (cut) |
4
.
| Dorsal fascia of the hand |
5
.
| Extensor pollicis longus muscle (tendon of insertion) |
6
.
| Branch dorsal metacarpal artery I |
7
.
| Dorsal metacarpal artery II |
8
.
| Dorsal interosseous muscle I (fascia removed) |
9
.
| Metacarpal II (covered by periosteum) |
10
.
| Extensor indicis muscle (tendon of insertion) |
11
.
| Junctural tendon |
12
.
| Dorsal digital artery |
13
.
| Small junctural tendon from common extensor digitorum muscle to fifth finger (frequently a distinct tendon of the extensor digitorum passes to the fifth finger) |
14
.
| Common extensor digitorum muscle (tendons of insertion) |
15
.
| Extensor digiti minimi muscle |
16
.
| Sheath of common extensor digitorum muscle |
17
.
| Abductor digiti minimi muscle |
18
.
| Dorsal hand branch of ulnar nerve |
19
.
| Position of styloid process of ulna |