Dorsal regions

Illustration of dorsal regions dissection with resected right trapezius and latisimus dorsi muscles.

Term name Layer
1 Superior lateral cutaneous nerve of arm; superior lateral brachial cutaneous nerve Layer 1
2 Posterior cutaneous branch Layer 1
3 Serratus posterior superior Layer 1
4 Internal oblique Layer 1
5 External oblique Layer 1
6 Serratus posterior inferior Layer 1
7 Rhomboid minor Layer 1
8 Rhomboid major Layer 1
9 Trapezius Layer 1
10 Latissimus dorsi Layer 1
11 Latissimus dorsi Layer 1
12 Triceps brachii Layer 1
13 Teres minor Layer 1
14 Teres major Layer 1
15 Infrspinatus Layer 1
16 Deltoid Layer 1
17 Supraspinatus Layer 1
18 Levator scapulae Layer 1
19 Sternocleidomastoid Layer 1
20 Splenius capitis Layer 1
21 Semispinalis capitis Layer 1