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A 45-year-old member asked:

What are the causes of fluid in the shoulder joint and fatty intrusions in the muscles?

1 doctor answer2 doctors weighed in
Dr. Christopher Ferguson
Orthopedic Surgery 21 years experience
Chronic injury: A chronic rotator cuff injury can cause this. If the rotator cuff muscles are not being used they wither and become fatty.
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Last updated Feb 2, 2018


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