A member asked:

What's subacromial bursa?

A doctor has provided 1 answer

Normal structure: Its a fluid filled sack between the rotator cuff and the acromion. It resides below the acromion, hence "sub-acromial". It functions to help the rotator cuff glide smoothly below the acromial bone. When a sub acromial bone spur irritates it, you get subacromial bursitis, or impingement syndrome of the shoulder. This can be painful, and a risk factor for rotator cuff tears in the future. Its usually treated with anti-inflammatory meds, pt, and rest. If not better, a work up is warranted.

Answered 3/23/2020

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