itting all day is the worst thing in the world you can do for your back," said Dr. Joel Press, the medical director of the Spine & Sports Institute at the Rehabilitation Institute of Chicago.
Sitting puts nearly twice the stress on the spine as standing; slouching while you sit increases the pressure even more.
That's because hunching forward pushes the back into a convex or C shape. Try it. Now pull your shoulders back and together and put your hand on your lower back. That natural concave curve is what you want; slouching fatigues and overstretches the ligaments, causing back pain.
To make matters worse, we stay in this bad C position for hours, barely moving, even when nature calls. "I'll be crashing on a pro
