Rotator Cuff Muscles

Rotator cuff muscles are a group of muscles that are in the shoulder joint. They help to keep the humerus from popping out. The rotator cuff muscles help to guide the shoulder through lots of motions and help to make the shoulder joint stable.

The four muscles that make up the rotator cuff are the teres minor, the infraspinatus, the supraspinatus and the subscapularis. The infraspinatus is the largest muscle of the group. It helps to roll the arm outward. The supraspinatus is the muscle that can be most degenerative. This muscle helps to move the arm away from the side of the body.. Read more

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Rotator Cuff Tears

There is a group of four muscles and a few tendons that form a capsule around the upper part of the arm bone. The job of this group of muscles and tendons is to both hold the arm into the shoulder socket and to facilitate rotation of the arm.

Some of the most common injuries in adults, particularly senior citizens, are rotator cuff tears. The supraspinatus muscle, or the one in the front of the arm is the one most often torn.

To understand how rotator cuff tears can affect a person’s daily life, it is first necessary to understand what purpose the rotator cuff serves, what its makeup is, and how it works… Read more

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