This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper Extremity, Subject name: Anatomy
All are muscles of rotator cuff EXCEPT: 
Select and explain. 
A. Teres major, B. Teres minor, C. Infraspinatus, D. Supraspinatus
A: Teres major
Answer: A: Teres major 
Explanation: Ans. A Teres majorRef: BDC, 6th ed. vol. I pg. 68-69, 73* The rotator cuff is a group of tendons and muscles in the shoulder, connecting the upper arm (humerus) to the shoulder blade (scapula). The rotator cuff tendons provide stability to the shoulder; the muscles allow the shoulder to rotate.The Muscles in the Rotator Cuff Include# Teres minor# Infraspinatus# Supraspinatus# Subscapularis* Each muscle of the rotator cuff inserts at the scapula, and has a tendon that attaches to the humerus. Together, the tendons and other tissues form a cuff around the humerus.Mnemonic: SITS .Teres major is not a part of rotator cuff muscles.