Oww I get those too. Do you have Pamprin over there? Or Midol? I find the Pamprin (Pamprin Max actually) to help ease the backache. I know you do a lot of running around at work, but regular exercise helps too. But what I like to do is stretch, stretching helps to relieve it too.
"Never give up on something that you can't go a day without thinking about."