I went back to work last year after several years as a SAHM. It's going well, except that I have noticed that after a day spent sitting at a desk my back is hurting. Normally it goes within an hour or so, but today (my day off) I've woken up the next morning and I can still feel it. I'm not in a lot of pain, but I'm worried about it getting worse.
Any preventative tips? I'm 40 and have never had back problems before.