1
.
| Deltoid muscle |
2
.
| Branch intercostobrachial nerve (displaced upward) |
3
.
| Lateral brachial cutaneous axillary nerve |
4
.
| Posterior brachial cutaneous nerve of radial nerve |
5
.
| IntercostobrachIal nerve |
6
.
| Branches of middle brachial cutaneous nerve |
7
.
| Triceps brachii muscle (long head) |
8
.
| Ulnar nerve |
9
.
| Triceps brachii muscle (medial head) |
10
.
| Upper pointer: Medial intermuscular septum Lower pointer: Brachialis muscle (covered by fascia) |
11
.
| Medial epicondyle of humerus |
12
.
| Infraspinatus fascia |
13
.
| Teres major muscle |
14
.
| Median nerve |
15
.
| Latissimus dorsi muscle |
16
.
| Biceps brachii muscle |
17
.
| Middle antibrachial cutaneous nerve |
18
.
| Basilic vein |