What Are the Four Muscles of the Rotator Cuff?

WebMD's Rotator Cuff Anatomy Page provides a detailed image and definition of the rotator cuff. Learn about its function, location in the body, and conditions that affect this part of the body.
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Understand torn rotator cuff symptoms, shoulder surgery, and treatment for shoulder pain from chronic and acute rotator cuff tears and shoulder tendonitis. Plus, learn about the tests used in diagnosis.

The easiest way to remember the four muscles of the rotator cuff is the mnemonic "SITS." These letters spell out the first letter of each of the four muscles, which have long and complicated Latin names. The SITS muscles are only a subsection of the muscles of the shoulder, but these four form a "cuff" of muscle and tendon...

The rotator cuff is made up of four muscles that support the shoulder joint.