Prolonged sitting can easily lead to the protrusion of the lumbar intervertebral disc. Because from lying down to standing, lying, the pressure on the intervertebral disc is not the same, lying down, standing, sitting the ratio of pressure is 1:2:8, sitting the heaviest pressure on the intervertebral disc. Long time sedentary easily lead to the rupture of the intervertebral disc fibrous ring aging, which in turn leads to the rupture of the fibrous ring, the nucleus pulposus extrusion nerve root, produce some symptoms of disc herniation, so sedentary is a major cause of lumbar disc herniation.