Acromioclavicular Joint

The acromioclavicular (AC) joint is located between the collarbone and the shoulder blade at the top of your shoulder.  There is very little motion at the joint. Rather, it is a strong junction between these two bones held together by very strong ligaments.  This joint can develop painful arthritis that is often associated with rotator cuff disease.  If this joint is painful, then we address this problem as well.  This portion of the surgery involves removal of the outer 5-7 mm of the collarbone preventing painful contact of the collarbone with the shoulder blade. The ligaments are left intact in order to preserve stability and there is no loss of shoulder function.  Not everyone with a rotator cuff tear requires surgery on their AC joint and this will be discussed with you by your doctor. 


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