I did an upper body workout yesterday that included pullups, flat DB bench, horizontal rows and a few light arnold presses. During bench I felt a kind of sharp pain in my left shoulder but it wasn't quite bad enough to make me quit. It felt fine during rows but then hurt a little again when I did the arnolds. Then later in the day it started to hurt more and as I was going to bed it really fucking felt bad, like a searing pain. It's more of a dull pain this morning. Basically I can do a lateral raise or rear raise motion with my arm fine, but when I try to extend it infront of me it hurts. But by FAR the most painful is when I try and cross my arm over my body. That really hurts So what do I do OT?