1
.
| Common extensor digitorum muscle (tendon to index finger) |
2
.
| Extensor indicis muscle (tendon of insertion) |
3
.
| Dorsal metacarpal artery II |
4
.
| Metacarpal II |
5
.
| Dorsal interosseous muscle II (dorsal interosseous fascia removed) |
6
.
| Dorsal metacarpal artery III |
7
.
| Dorsal metacarpal artery I (displaced) |
8
.
| Extensor carpi radialis brevis muscle (tendon of insertion) |
9
.
| Extensor carpi radialis longus muscle (tendon of insertion) |
10
.
| Radial artery |
11
.
| Metacarpotrapezial joint capsule |
12
.
| Radial artery continuing into deep palmar arch |
13
.
| Dorsal digital arteries |
14
.
| Muscular branch radial artery (to dorsal interosseous muscle I) |
15
.
| Muscular branch of ulnar nerve (to dorsal interosseous muscle I) |
16
.
| Dorsal interosseous muscle I (dissected) |
17
.
| Extensor pollicis brevis muscle (tendon of insertion) |
18
.
| Extensor pollicis longus muscle (tendon of insertion) |
19
.
| Extensor expansion of thumb |
20
.
| Distal continuation of tendon of of extensor pollicis longus muscle |