1
.
| Upper pointer: levator muscle of scapula Lower pointer: Dorsal nerve of scapula |
2
.
| Branch of long thoracic nerve |
3
.
| Serratus anterior muscle |
4
.
| Superficial transverse artery |
5
.
| Upper trunk |
6
.
| Middle trunk |
7
.
| Lower trunk (91-4 pertain to the supraclavicular part of brachial plexus) |
8
.
| Phrenic nerve (lying upon anterior scalene muscle) |
9
.
| Subclavian artery |
10
.
| Subclavian vein |
11
.
| Subclavian trunk |
12
.
| Rib I |
13
.
| Tendon of origin of subclavius muscle |
14
.
| Axillary artery and vein |
15
.
| External intercostal muscle |
16
.
| Supraspinatus muscle |
17
.
| Clavicle |
18
.
| Acromioclavicular ligament |
19
.
| Coracoclavicular ligament |
20
.
| Coracoacromial ligament |
21
.
| Upper pointer: Suprascapular nerve Lower pointer: Transverse scapular artery |
22
.
| Subscapular nerve |
23
.
| Coracoid process of scapula |
24
.
| Upper pointer: Posterior cord Middle pointer: Lateral cord Lower pointer: Middle cord (together these are infraclavicular parts of the brachial plexus) |
25
.
| Axillary nerve |
26
.
| Musculocutaneous nerve |
27
.
| Radial nerve |
28
.
| Coracobrachialis muscle |
29
.
| Median nerve |