Shoulder

Nerve and blood supply to left trapezius muscle

Stanford holds the copyright to the David L. Bassett anatomical images and has assigned Creative Commons license Attribution-Share Alike 4.0 International to all of the images.
For additional information regarding use and permissions, please contact Dr. Drew Bourn at dbourn@stanford.edu.

Image #93-1

Shoulder

Nerve and blood supply to left trapezius muscle

The muscle has been reflected laterally from its origin. The underlying fascia remains intact.

1. Origins of muscle trapezius (cut across)
2. Superficial fascia (deep lamina of external layer)
3. Accessory nerve (XI)
4. Trapezius muscle (reflected laterally)
5. Acromion of scapula
6. Branch of superficial transverse artery to trapezius (divided)
7. Deltoid muscle
8. Lateral brachial cutaneous nerve
9. Intercostobrachial nerve (displaced upwards)
10. Teres major muscle
11. Triceps brachii muscle
12. Spinous process vertebrae C. VII
13. Trapezius muscle
14. Rhomboid major muscle
15. Sacrospinalis muscle (beneath lumbodorsal fascia)
16. Triangle of auscultation
17. Latissimus dorsi muscle