1. Cat Chest and Arm Muscles

2. Pectoralis Major
Courtesy of Dr. Fankhauser, used with permission,

3. Pectoralis Major

4. Pectoralis Minor

5. Deltoid

6. Biceps brachii

7. Brachialis

8. Triceps brachii

9. Palmaris longus

10. Palmaris longus

11. Flexor Carpi Radialis

12. Flexor Carpi Ulnaris

13. Brachioradialis

14. Pronator teres

15. Extensor Digitorum Longus

16. Extensor Carpi Radialis

17. Extensor Carpi Ulnaris

18. Flexor retinaculum (extensor retinaculum would be on other side of wrist)