A posterior capsular stretching program and rotator cuff strengthening program can be initiated to keep the shoulder supple and reduce the irritation from impingement. Medication Initial treatment for bursitis from impingement usually includes rest, a mild anti-inflammatory medication, and a gentle physical therapy program. Cortisone is a potent anti-inflammatory medication that may ease your discomfort. Surgery Surgery to relieve the constant rubbing of impingement is not uncommon. A portion of the acromion may be removed as well to give the tendons more space and allow them to move without rubbing on the underside of the acromion.
Scar tissue fills the space left between the clavicle and the acromion to form a false joint .
In some cases this can be done arthroscopically, and you may be able to go home the same day. In other cases, an open incision is made to allow removal of the bone. This may require you to stay a night or two in the hospital. There was a hiding .flc animation at the MMG site. I don't know what it is of.