Crankin, it sounds like you are on a good path with your PT. I've noticed my lumbar region starting to ache again, and for me, I know exactly why. I have slacked off my Pilates for months, and it is catching up to me. I knew it would. Pilates works wonders for my back issues and relieves my too-much-sitting work habits.

I always point out to anyone who is considering Pilates that in my opinion it's extremely important to study with someone who is certified and experienced--and I don't mean the weekend certified "instructors" who work at most gyms, as in my experience they can do more harm than good. I do it on my own at home, but I studied at a classical Pilates studio for three years so I'm pretty confident in my abilities to do the movements correctly. Eventually I will want to advance so I'll go back to the studio for that.