1. Set 4 Muscles Rotator Cuff + Teres major

2. Rotator Cuff Muscles

3. Rotator Cuff Muscles

4. Rotator Cuff Muscles

5. Teres Minor

6. Teres minor Origin: Insertion: Action: Lateral border of scapula
Inferior facet of greater tubercle of humerus
laterally rotates arm, stabilizes humerus

7. Teres major

8. Teres major Origin: Insertion: Action:
Posterior aspect of infraspinous fossa
Medial lip of bicepital groove of humerus about 1/3 from shoulder
Adducts, medial rotation of arm, assists latissimus dorsi

9. Infraspinatus

10. Infraspinatus Origin: Insertion: Action: Infraspinous fossa of scapula
Middle facet of greater tubercle of humerus
Lateral rotation of arm, stabilizes humerus

11. Supraspinatus

12. Supraspinatus Origin: Insertion: Action: supraspinous fossa of scapula
superior facet of greater tubercle of humerus
Abducts the arm, stabilizes shoulder