Which muscle is NOT part of the rotator cuff?

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Prepare for the VTCT Sports Massage Level 3 Exam. Test your knowledge with flashcards and multiple choice questions, each with hints and explanations. Get ready to excel in your exam!

Multiple Choice

Which muscle is NOT part of the rotator cuff?

Explanation:
The rotator cuff is a set of four muscles that wrap around the shoulder joint to stabilize the head of the humerus in the socket during movement. These muscles are arranged to compress and center the humeral head as the arm moves, allowing smooth rotation and lifting. The deltoid sits over the shoulder and powers arm elevation, but it does not encircle the joint to stabilize it like the rotator cuff does. Because its role is more about lifting the arm rather than maintaining the humeral head’s position within the glenoid, it is not part of the rotator cuff.

The rotator cuff is a set of four muscles that wrap around the shoulder joint to stabilize the head of the humerus in the socket during movement. These muscles are arranged to compress and center the humeral head as the arm moves, allowing smooth rotation and lifting.

The deltoid sits over the shoulder and powers arm elevation, but it does not encircle the joint to stabilize it like the rotator cuff does. Because its role is more about lifting the arm rather than maintaining the humeral head’s position within the glenoid, it is not part of the rotator cuff.

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