1
.
| Brachioradialis muscle (area of origin) |
2
.
| Brachialis muscle |
3
.
| Extensor carpi radialis longus muscle (area of origin) |
4
.
| Lateral epicondyle of humerus |
5
.
| Muscular branches of radial nerve (to extensor carpi radialis longus muscle) |
6
.
| Extensor carpi radialis longus muscle (reflected laterally) |
7
.
| Recurrent radial artery |
8
.
| Common extensor digitorum muscle |
9
.
| Brachioradialis muscle (retracted upward) |
10
.
| Superficial branch of radial nerve |
11
.
| Deep branch of radial nerve |
12
.
| Radial artery |