1
.
| Position of metacarpophalangeal joint of index finger |
2
.
| Lumbrical muscle I |
3
.
| Branch dorsal metacarpal artery I (dorsal digital artery) |
4
.
| Dorsal digital nerves of radial nerve |
5
.
| Dorsal interosseous muscle I |
6
.
| Adductor pollicis muscle (transverse head) |
7
.
| Branch dorsal metacarpal artery I (dorsal digital artery) |
8
.
| Tributary to cephalic vein |
9
.
| Abductor pollicis brevis muscle |
10
.
| Metacarpal I |
11
.
| Extensor pollicis brevis muscle (tendon of insertion) |
12
.
| Extensor pollicis longus muscle (tendon of insertion) |
13
.
| Position of metacarpophalangeal joint of thumb |
14
.
| Extensor expansion |
15
.
| Proper palmar digital nerve of median nerve |
16
.
| Proper palmar digital artery |