Biceps tendonitis

The tendon of the long head of the biceps travels through a groove on the anterior aspect of the shoulder. If the tendon sustains forces that exceed its strength it sustains micro injuries that lead to inflammation, which enlarges the tendon. Since it is in a small space, it can then be further inflamed by rubbing against the borders of the bicipital groove, which makes it bigger and more inflamed setting up a vicious cycle.

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