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Man sitting in gym holding his shoulder in pain.

Rotator Cuff Tendonitis, Bursitis, and Impingement

A group of four muscles around the shoulder joint make up the rotator cuff. These include the supraspinatus, infraspinatus, teres minor, and subscapularis. The tendons which attach these four muscles to the humerus are known as the rotator cuff. The rotator cuff has several important jobs, including stabilizing the shoulder, elevating and rotating the arm, and ensuring the head of the humerus stays securely in the shoulder joint. Rotator cuff pain is very common.

Rotator cuff impingement, bursitis, and tendonitis are three different diagnoses but have very similar symptoms and treatment. These are all characterized by inflammation and pain primarily coming from the area of the supraspinatus and infraspinatus. Symptoms commonly include pain over the outside of the shoulder when reaching and lifting over the head.

Diagram showing the differences between a normal shoulder and one with rotator cuff problems.

Treatments for Rotator Cuff Tendonitis