By Frank Wildman, Ph.D.
Sitting in a chair is harder on the spine than standing or walking
because there is more pressure on the disks of the spine. Many people have
to frequently stand because of pressure that accumulates while sitting. Standing
relieves muscular contractions that we are unaware of in a static position
like sitting. Therefore, if you sit for long periods of time, it is extremely
important to have good, stress-free posture with an ability to perform tasks
comfortably. The lessons in the following section will help if your job involves
sitting at a desk for prolonged periods of time.
... please sit in a chair that is flat and firm. An ordinary wooden
chair would be best, or a chair with light padding. The flatter the
surface the better. The height of the chair should allow your hips to
be as high or higher than your knees.
Do not do these lessons in a sofa, armchair or chair that is low to
© 2000 Dr. Frank Wildman