1
.
| Muscular branches of ulnar nerve (upper pointer, to dorsal interosseous muscle I; lower pointer, to flexor pollicis brevis muscle) |
2
.
| Muscular branches of ulnar nerve (to adductor pollicis muscle) |
3
.
| Deep transverse metacarpal ligament |
4
.
| Adductor pollicis muscle (transverse head) |
5
.
| Lumbrical muscle I |
6
.
| Dorsal interosseous muscle I |
7
.
| Abductor pollicis brevis muscle (area of insertion) |
8
.
| Metacarpal I |
9
.
| Flexor pollicis brevis muscle (deep head) |
10
.
| Adductor pollicis muscle (oblique head) |
11
.
| Radiocarpal ligament (pointer on capitate bone covered by ligament) |
12
.
| Flexor carpi radialis muscle (tendon of insertion) |
13
.
| Pisiform bone |
14
.
| Deep branch of ulnar nerve |
15
.
| Deep palmar arch |
16
.
| Opponens digiti minimi muscle (dissected and retracted medially) |
17
.
| Anterior metacarpal arteries |
18
.
| Dorsal interosseous muscle III |
19
.
| Anterior interosseous muscle II |
20
.
| Left pointer: Dorsal interosseous muscle IV Right pointer: Anterior interosseous muscle III |