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Multiple Choice
Which of the following is not a rotator cuff muscle?
A
Supraspinatus
B
Infraspinatus
C
Teres major
D
Subscapularis
Verified step by step guidance
1
Understand that the rotator cuff is a group of muscles and their tendons that act to stabilize the shoulder. The primary muscles involved are the supraspinatus, infraspinatus, teres minor, and subscapularis.
Identify the muscles listed in the problem: Supraspinatus, Infraspinatus, Teres major, and Subscapularis.
Recall that the rotator cuff muscles are specifically the supraspinatus, infraspinatus, teres minor, and subscapularis.
Recognize that the teres major is not part of the rotator cuff group. It is involved in the movement of the shoulder but does not contribute to the rotator cuff.
Conclude that the muscle not part of the rotator cuff from the given options is the teres major.