| 1
.
| Abductor pollicis longus muscle (cut) |
| 2
.
| Extensor pollicis brevis muscle (cut) |
| 3
.
| Extensor carpi radialis longus muscle (tendon) |
| 4
.
| Extensor carpi radialis brevis muscle (tendon) |
| 5
.
| Compartment for extensor pollicis longus muscle |
| 6
.
| Dorsal carpal ligament (compartments for extensor tendons opened) |
| 7
.
| Compartment for common extensor digitorum muscle and extensor indicis muscle |
| 8
.
| Articular branches of dorsal interosseous (antebrachial) nerve |
| 9
.
| Dorsal carpal branch of radial artery |
| 10
.
| Extensor carpi ulnaris. muscle (tendon of insertion) |
| 11
.
| Compartment for extensor digiti minimi muscle |
| 12
.
| Compartment for extensor carpi ulnaris muscle |
| 13
.
| Dorsal interosseous nerve |
| 14
.
| Extensor indicis muscle (cut) |
| 15
.
| Extensor pollicis longus muscle (cut and reflected) |
| 16
.
| Ulna |
| 17
.
| Anterior interosseous artery |
| 18
.
| Antebrachial interosseous membrane |
