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. Rectus Abdominis
Transverse Abdominis
Internal Oblique
External Oblique

11. External Oblique

12. Internal Oblique

13. Transverse Abdominus

14. Rectus Abdominis

15. Linea alba
Rectus abdominus

16. External intercostals: Inspiration

17. Serratus anterior External intercostals (for inspiration) Linea alba

18. Internal intercostals: For Expiration

19. Diaphragm: Primary muscle for respiration