Dissection of thoracic and lumbosacral regions of back from a posterior approach

Superficial structures and external layer of muscles of back, general view

For permissions information regarding the use of these images, please contact Drew Bourn at dbourn@stanford.edu

Image #212-1

Dissection of thoracic and lumbosacral regions of back from a posterior approach Superficial structures and external layer of muscles of back, general view The skin has been removed form the entire back. On the left half of the body the cutaneous nerves and vessels have been dissected and the deep fascia has been preserved. On the right the external layer of muscles related to the shoulder girdle has been exposed. The following close-up photographs of the thoracic and lumbosacral areas show more details of the cutaneous branches of nerves and arteries. 1 . Superficial fascia cervical surface 2 . Spinous process vertebra Th. II 3 . Lateral brachial cutaneous nerve 4 . Posterior brachial cutaneous nerve 5 . Brachial fascia 6 . Dorsal cutaneous branch thoracic nerve V 7 . Posterior branch of lateral cutaneous branch intercostal nerve V 8 . Fascia covering latissimus dorsi muscle 9 . Superior cluneal nerves 10 . Trapezius muscle 11 . Acromion 12 . Deltoid muscle 13 . Fascia infraspinata 14 . Teres major muscle 15 . Latissimus dorsi muscle 16 . Thoracolumbar fascia 17 . External oblique muscle 18 . Iliac crest