Shoulder

Nerve and blood supply to supraspinatus and infraspinatus muscles

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Image #94-2
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Shoulder
Nerve and blood supply to supraspinatus and infraspinatus muscles
The muscles have been detached from their origins and reflected laterally.
1 . Supraspinatus muscle (reflected)
2 . Acromion of scapula
3 . Infraspinatus muscle (reflected)
4 . Radial nerve (in background)
5 . Brachial artery (in background)
6 . Transverse scapular artery (cut off and displaced superiorly from normal position)
7 . Upper pointer: Coracoid process of scapula Lower pointer: Superior transverse ligament of scapula
8 . Medial angle of scapula
9 . Suprascapular nerve
10 . Supraspinatus fossa
11 . Spine of scapula
12 . Infraspinatus fossa
13 . Circumflex scapular artery
14 . Area of origin of teres major muscle