Scroll down for key:

Key:

1.  Acromiotrapezius (reflected)

2.  Spinodeltoid (reflected)

3.  Supraspinatus

4.  Infraspinatus

5. Rhomoideus major

6.  Teres major

7.  Teres minor

8.  Long head of Triceps brachii

9.  Lateral head of Triceps brachii