1. Biceps brachii
Flex the elbow

2. Triceps brachii
Extends arm

3. Brachioradialis
Flexes elbow
Supinates and pronates!

4. Coracobrachialis
Adduct

5. Brachialis
Flexes arm

6. Pectoralis major

7. Pronator Teres

8. Palmaris longus
Wrist flexor
Sometimes absent

9. Supinator

10. Levator scapulae
What do you think it is responsible for?

11. Deltoid
Abducts the arm

12. Rhomboid major
Retracts scapula toward vertebral column

13. Rhomboid Minor
Retracts scapula

14. Latissimus dorsi

15. Trapezius
Moves the shoulder
-Retracts
-Depresses

16. Teres major and minor
Adductor of humerus
Medial rotates humerus

17. Serratus anterior
“Boxer’s muscle”
Protraction of scapula

18. Supraspinatus
Abducts arm

19. Infraspinatus
Rotates shoulder
Abducts arm

20. Intercostals
Help facilitate breathing