Hello doc, am suffering sternum pain from 2 to 3 years I visited various doctors they had given me pain relievers but there is temporary relief but not permanently gone. I also done cardiac evaluation everything is normal ( ecg, echo and TMT). I always feel pain while I rotate my head and when I  bend towards and backwards. I also had left Neck pain, left shoulder blade below pain and pain in left elbow and weakness sometimes in left arm and leg. What's the problem associated with this??? Please help