With the popularization of mechanized and office computers, to sit people becoming more and more common. Sedentary people in order to prevent low back pain, often in the car seat, place a cushion on the sofa, stool. Doctors cautioned that cushion back pain prevention should also pay attention to methods.
Doctors said first cushion must be placed on the waist, on the back is incorrect. This is because the normal lumbar vertebra of the human body there are 5 blocks, due to physiological needs, they don't grow in a straight line, but before the Central projecting forward convex shape, seen from the side, lumbar spine is like a gentle little package. Due to the physical characteristics, waist, back cannot be placed on the same plane. Correct sitting posture is, head up, when a Chair is needed, back straight, left back, sitting sofa to recoil as much as possible. Let the hips sit on the bottom of the sofa, back close to the sofa. If you put a cushion in the waist, you can receive effective support at the waist, maintaining flexion of the lumbar Physiology, equilibrium pressure of lumbar and waist muscles, alleviate the strain, increase the sense of comfort, prevention and improved lumbar discomfort, good for stabilization of the spine. Second is not too thick cushions, with 10 cm height, padded as well. Human back pressure, compression 5-8 cm, best lordosis of the lumbar spine. Too thick will cause excessive flexion of the lumbar spine.