Rotator Cuff "SITs" Muscles (Muscular system)

Question 1

Where is the Supraspinatus? What is its action?

Answer 1

Small muscle of the upper back, runs from the scapula to the top of the humerus.
-Abducts the Shoulder

Question 2

Where is the Infraspinatus? What is its action?

Answer 2

Triangular muscle on the “back” of the shoulder blade and extends to the top of the humerus
-laterally rotates the shoulder

Question 3

Where is the Teres Minor? What is its action?

Answer 3

Lateral region of the scapula

- Laterally rotates the shoulder

Question 4

Where is the Subscapularis? What is its action?

Answer 4

Anterior surface of the scapula and humerus

- Rotates Shoulder Medially

Question 5

What two muscles are synergist in the rotator cuff?

Answer 5

Infraspinatus and teres minor