For about 2 months I have had a on and off pain that comes and goes on its own. The pain is centered on the middle part of my shoulder blade and goes up to my neck and goes down to my elbow and ends at my left pinkie. Like I said it comes and goes, but it is not always constant. It seems to spasm on its on. I don't remember hurting myself, and the only thing that comes to mind is my golf swing. I play pretty well, so I don't think that has anything to do with it. What do you think? Thanks J.R.