Hi all, I am very interested in the topic of this post, because my friend had something similar, he did not look for any cause, but just took anti-inflammatory pills and did physical therapy with therapeutic exercises. He worked through the pain every day and now he was able to move the joint completely again. It took him six months. So you have to be patient. I recently found a site on the Internet where you can find detailed information on this subject -
https://cameronmch.com/services/orthopa ... tor-cuffs/. I hope this information is helpful to you. Good luck to you!