Suddenly, pain shoots down the leg, sitting becomes torture, and every step is a struggle. That's what sciatica feels like.

Long hours at your desk may be silently damaging your spine. Poor posture and lack of movement could be the reason your back pain won’t quit.

1. Stand in a doorway. Cross one leg over the other leg. 2. Reach toward the side with the leg that’s in front. 3. Push onto ...