1
.
| Biceps brachii muscle |
2
.
| Brachial veins |
3
.
| Median nerve |
4
.
| Brachioradialis muscle |
5
.
| Ulnar artery |
6
.
| Radial artery |
7
.
| Muscular branch of median nerve (to flexor carpi radialis muscle) |
8
.
| Pronator teres muscle (ulnar head) |
9
.
| Pronator teres muscle (humeral head; note associated muscular branches of median nerve) |
10
.
| Branches of middle antebrachial cutaneous nerve |
11
.
| Basilic vein |
12
.
| Ulnar nerve |
13
.
| Medial intermuscular septum |
14
.
| Inferior ulnar collateral artery |
15
.
| Brachialis muscle |
16
.
| Pronator teres muscle (humeral head) |
17
.
| Medial epicondyle of humerus |
18
.
| Flexor carpi radialis muscle (reflected medially) |
19
.
| Anterior recurrent ulnar artery |
20
.
| Flexor digitorum superficialis (humeral head) |