back pain under the shoulder blade

Back pain in left shoulder blade?
I woke up this morning with a constant dull pain in my back under my left shoulder pain as subsided through the day, but I can still feel what it feels like a pinch in the same place, I have no symtoms other words, does any body have any idea what could be the problem
It has a body massage and improve your sleeping position
Rotator Cuff — Infraspinatus
Categories: Backpain

