"i recently pulled a lower back muscle trying to put a generator onto a cart at lowes.  the pain was not too bad so i carried on and tried to work through the pain (i have pulled it before) well that was a week ago.  yesterday i went to the gym to sit in the sauna to help loosen it up, which it did but while walking out i stumbled and my back locked up.  the spasm was bad.  i managed to get home and i was able to stretch out, but this morning i started getting lower back spasms something fierce.  i was unable to move without a spasm. well right now,  still on bed, but i am taking vicodin (pain) and flexeril (muscle relaxer) i hope to be up soon.  thank you all for your posts. they helped me get through this nightmare."