With the popularization of the computer and office computers, people who work in the sitting position are becoming more and more popular. Some sedentary people in order to prevent back pain, often put a cushion in the car seat, sofa, chair. The doctor warned, anti lumbago should also pay attention to use the cushion method.

The doctor pointed out: the first cushion must be put in the waist, on the back is not correct. This is because a total of 5 normal human lumbar spine due to physiological needs they do not grow in a straight line, but a central projecting forwardly protruding shape, viewed from the side, lumbar spine like a gentle slope of the packet. Due to the physiological characteristics, the waist, back can not be placed in the same plane. So the correct posture should be, chin up and chest out, when need armchair, straight waist, leaving the back of the chair and sat down on the couch to try to rely on the recoil. Let the buttocks sit at the bottom of the sofa, back close to the back of the sofa. If the waist on a cushion, can make the waist to be effective supporting, maintain lumbar physiological flexion, pressure balanced lumbar, lumbar muscle, alleviate the strain, increased comfort, prevent and improve lumbar discomfort and to stabilize the spine is good. The second is the cushion not too thick, to 10 cm height of the cushion as well. This is the body back pressure, compression 5-8 cm, most with lumbar lordosis. Too thick will cause excessive flexion of the lumbar spine.