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Pain in the front of your shoulder when you lift your arm overhead is the most common symptom of impingement.  Impingement describes how the rotator cuff gets pinched between the shoulder joint and the spur on the underside of the shoulder blade.  Impingement can occur on its own, but it is commonly associated with rotator cuff disorders.  During your arthroscopic rotator cuff repair, your doctor will likely remove the bone spur on the underside of the shoulder blade to prevent any further impingement or injury to the rotator cuff muscles after your repair.  Removal of this bone spur is known as arthroscopic subacromial decompression.  This arthroscopic surgery is completed through the same three or four ¼ inch incisions around the shoulder that are used for your arthroscopic rotator cuff repair.  If your only procedure is arthroscopic subacromial decompression, you will be in a sling for 1 to 2 weeks and can resume all of your normal activities once you regain all of your shoulder motion.


Arthroscopic Subacromial Decompression Video 1


Arthroscopic Subacromial Decompression Video 2