Sounds like you may have a issue with your ROTATOR CUFF MUSCLE
Hope its a proper MRI scan as a xray won't show it. May mean an operation like I had as mine was a complete tear. After it being in a sling for 8 weeks followed by physio it all good and I can once again reach up and behind my back etc
Just had to put on a cardigan!
Is it normal to talk to yourself?


