When woke up this morning I have this pain under my arm some times it always hurts ( not real bad ) or if I raise my arm over my head like I am going to do a overhead extention ( I did those yesterday ). Also it hurt when I put on deodorant this morning. Don't know if I pulled something or what . Any Ideas ?
Sometimes it also happens to me, but I can't find any reason for that, probably Jr Yates is right, but I think it might also be the body warning for over training. I was also told that sometimes arm pits hurt because liver problems
I don't know if it is true, but one morning I woke up (after a drinking night) and it was in pain, FACT!