Arm

Right triceps muscle, posterior view

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Image #96-2
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Legend Image
Arm
Right triceps muscle, posterior view
The long and lateral heads of the muscle have been separated to expose the radial nerve.
1 . Upper pointer: Inferior transverse ligament of scapula Lower pointer: Transverse scapular artery
2 . Neck of scapula
3 . Joint capsule of humerus
4 . Axillary artery
5 . Triceps brachii muscle (long head)
6 . Ulnar nerve
7 . Olecranon
8 . Spine of scapula
9 . Acromioclavicular ligament
10 . Supraspinatus muscle
11 . Infraspinatus muscle
12 . Teres minor muscle
13 . Surgical neck of humerus
14 . Teres major muscle
15 . Radial nerve
16 . Triceps brachii muscle (lateral head)
17 . Brachioradialis muscle
18 . Anconeus muscle