Dorsal Muscles:
Superior:
- Superficial:
1: Spinotrapezius; Draw Scapula dorsally and caudad
2: Latissimus Dorsi; Elevate and draw arm caudad
3: Acromiotrapezius; Draw Scapula dorsally and medially
4: Clavotrapezius; Draw Humerus craniad (towards head)
5: Acromiodeltoid; Flex and rotate Humerus + Spinodeltoid; Elevate and rotate Humerus
2: Latissimus Dorsi; Elevate and draw arm caudad
3: Acromiotrapezius; Draw Scapula dorsally and medially
4: Clavotrapezius; Draw Humerus craniad (towards head)
5: Acromiodeltoid; Flex and rotate Humerus + Spinodeltoid; Elevate and rotate Humerus