i just adjusted my office chair to a lower setting in an attempt to reduce the slouch effect. My lower back used to be bent forward since I was a gymnast back in the day and flipped around and all. When I quit gymnastics in the 7th grade, I started slouching down in my seat, and I noticed a year ago that my back actually bows back a bit at the bottom when I stand straight. I'm trying to get a happy medium here and sit straight. The swimming is helping. The flat futon matress at home is not.