I read your blog and saw that your back was sore after your outing to the storehouse. Is it feeling any better now? When I have sore muscles, I use something called theragesic. I don't know if it will help you, but it helps my shoulder, which has a loose tendon that moves and hurts. Its an analgesic cream, but it seems to work better than most.
Glad to hear its getting better. Im sure stretching will help allot, especially in the area of prevention. I think that the muscle relaxers will do a better job than any topical analgesic cream I could recommend..