1. Pectoralis
O: Sternum, ribs I: Humerus, Scapula
P: Adducts arm

2. Both Pectoantebrachialis and Pectoralis

3. Xiphihumeralis
O: Sternum I: Humerus P: Draw arm posteriorly

4. Epitrochlearis
O: Latissimus Dorsi I: Ulna
P: External arm

5. Rhomboideus
O: Cervical and Thoracic vertebrae
I: Scapula
P: Retracts Scapula

6. Serratus Anterior
O: Ribs I: Scabula P: Pulls scapula ventrally

7. Serratus Dorsalis
O: Lumbar vertebrae I: Ribs P: Draw ribs anteriorly

8. Levator Scapulae
O: Cervical vertebrae
I: Scapula
P: Elevate Scapula

9. Transverse Cervical Artery
Blood to neck and scapula

10. Transverse Cervical Vein
Blood from neck and scapula

11. Clavicular Deltoid
O: Clavicle and Scapula I: Humerus P: Adducts Humerus

12. Acromial Deltoid
O: Clavicle and Scapula I: Humerus P: Flex Humerus

13. Spino Deltoid
O: Clavicle and Scapula I: Humerus P: Flex Humerus

14. Supraspinatus
O: Scapula I: Humerus P: Abducts humerus

15. Infraspinatus
O: Scapula I: Humerus P: Adducts humerus

16. Teres Minor
O: Scapula I: Humerus P: Adducts Humerus

17. Teres Major
O: Scapula I: Humerus P: Adduct Humerus

18. Subscapularis
O: Scapula I: Humerus P: Rotates humerus