Dissection of thorax from a posterior approach

Deep musculature.

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Image #131-2
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Dissection of thorax from a posterior approach
Deep musculature.
The serratus posterior superior has been reflected laterally.
1 . Transverse colli artery
2 . Levator scapulae muscle
3 . Serratus posterior superior muscle (reflected)
4 . Medial scapular margin
5 . Rhomboid minor muscle (cut off)
6 . Posterior scalene muscle
7 . Branches of thoracic nerve I, II and III (to serratus posterior superior muscle)
8 . Rib II
9 . External intercostal muscle
10 . Iliocostalis thoracis muscle