>>But, I still have to ask -- where is the proof that sitting upright >>is good? People talk about >>"good posture" as though it's completely understandable that it's >>good. Why is that so? > > I read somewhere (no idea where or who wrote it) that the human back > isn't designed for standing upright but for moving like an ape, and > that's were a lot of our back problems come from.
Back problems tend to develop because we allow our abdominal muscles to get weak. Sitting behind a desk all day doesn't help the situation. Gary VanderMolen
