| 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 |
