DR HQ: Anatomy 101—The rotator cuff, pt. 2

Last week, we looked at the basics of the rotator cuff including the structure and why muscle weakness and tendinitis involving one or more of the rotator cuff muscle tendons can lead to a more serious situation if left untreated. In part two, we’ll look at rotator cuff impingement and tears to the rotator cuff and why they can be the end of the road for pitchers who suffer the injury.

Rotator Cuff Impingement Syndrome
One of those four muscles and tendons we looked at last week is located at the source of the impingement. The supraspinatus muscle is at the top of the scapula (shoulder blade) and runs under the acromion process (a bony part of the scapula) and through the subacromial space. It’s a tight space but if the tendon of the...

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