M75.0: Adhesive capsulitis of shoulder
There are 3 bones and 2 joints in the shoulder area. The bones are the collarbone, the shoulder blade, and the humerus. The shoulder joint connects the humerus to the shoulder blade. A second joint connects the shoulder blade to the collarbone. The collarbone is also connected to the sternum by another joint. Joints are encased in a joint capsule.
The joint capsule in your shoulder can become inflamed without any identifiable cause. It may also be that your shoulder had been injured, or that it was not moved properly for a long time. If the joint capsule is inflamed for a long time, adhesions can form inside the joint capsule and with other tissue in the shoulder. Scars can also form, or the joint capsule can atrophy.
If the joint capsule suffers from adhesions, scarring or atrophy, the shoulder’s mobility can become restricted. You may also have pain.
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