| 1
.
| Clavicle |
| 2
.
| Coracoacromial ligament (acromioclavicular joint) |
| 3
.
| Acromion of scapula |
| 4
.
| Supraspinatus muscle |
| 5
.
| Upper pointer: Long head of biceps brachii muscle (intracapsular part of tendon) Lower pointer: Greater tubercle of humerus |
| 6
.
| Transverse humeral ligament |
| 7
.
| Lesser tubercle of humerus |
| 8
.
| Coracobrachialis muscle |
| 9
.
| Body of humerus (covered by periosteum) |
| 10
.
| Long head biceps brachii muscle |
| 11
.
| Short head |
| 12
.
| Brachioradialis muscle |
| 13
.
| Radial nerve (superficial branch) |
| 14
.
| Tendon of insertion of biceps |
| 15
.
| Upper pointer: Median nerve Lower pointer: Radial artery |
| 16
.
| Left pointer: Transverse scapular artery Right pointer: Suprascapular nerve |
| 17
.
| Coracoid process of scapula |
| 18
.
| Vertebral margin of scapula |
| 19
.
| Subscapularis muscle |
| 20
.
| Axillary nerve |
| 21
.
| Axillary artery |
| 22
.
| Circumflex artery of scapula |
| 23
.
| Medial epicondyle of humerus |
| 24
.
| Pronator teres muscle |
| 25
.
| Bicipital aponeurosis |
