The subacromial bursa wall is the fibrous lining of the subacromial-subdeltoid bursa, a potential space between the rotator cuff superiorly and the coracoacromial arch and deltoid inferiorly. Its thickened floor blends with the rotator cuff superior surface.
| Location | Between the coracoacromial arch and deltoid above and the rotator cuff (mainly supraspinatus) below |
|---|---|
| Nearby |
Lets the rotator cuff glide smoothly beneath the coracoacromial arch and deltoid during arm elevation
Subacromial bursitis (thickened, inflamed bursa) is both a cause and consequence of rotator cuff pathology. Bursal-sided partial thickness tears of the supraspinatus occur at the bursal wall-cuff interface. Arthroscopic bursectomy and acromioplasty address the thickened bursal wall in impingement syndrome.
Bursal wall inflammation and thickening producing subacromial impingement pain, managed by subacromial corticosteroid injection and physiotherapy, with arthroscopic bursectomy for refractory cases.
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