Stand-up advice

• Change positions every 20 or 30 minutes. Even if you don't want to get a standing desk, simply standing up can help. Sitting increases the pressure on the disks in your back, said Dr. Joel Press, medical director of the Spine and Sports Rehabilitation Center at the Rehabilitation Institute of Chicago. Movement provides nutrition to the disks by helping move fluids in and out, Press said.

By Julie Deardorff, Tribune Newspapers

August 8, 2012