1. Cat Back and Abdomen Muscles

2. Supraspinatus
Infraspinatus (deep to trapezius here)

3. Infraspinatus
Courtesy of Dr. Fankhauser, used with permission,

4. Infraspinatus, Supraspinatus

5. Subscapularis
Underneath the scapula

6. Rhomboids

7. Trapezius
Courtesy of Dr. Fankhauser, used with permission,

8. Latissimus Dorsi

9. Serratus Anterior

10. External intercostals: Inspiration

11. Rectus Abdominis
Transverse Abdominis
Internal Oblique
External Oblique

12. External Oblique

13. Internal Oblique

14. Transverse Abdominus

15. Rectus Abdominis

16. Linea alba
Rectus abdominus