Am having left upper back pain since (1.5 year left handed work in bank)I feel grinding poping clicking sensation all the time in my upper back and shoulder region on touching too(and they are painfull too .. when I move my arm I hear poping sound in my biceps too that is painfull too, the pain is in whole upper back region ( but some time I feel it is around shoulder blade or inside shoulder blade) can u help me getting to know what kind of pain is this