When sitting on a computer chair, if a cushion is placed on the waist, it can effectively support the waist, maintain the forward flexion of the lumbar spine, balance the pressure of the lumbar and lumbar muscles, reduce strain, increase comfort, prevent and improve lumbar discomfort, It is good for stabilizing the spine.
Followed by the thickness of the cushion to be appropriate. Can not be too thin and too soft, so can not get up to lift the role of the waist, not too thick and too hard, too thick may cause excessive lumbar spine, and too hard will be uncomfortable. In the selection, the cushion can be tested on the back of the waist. If the cushion still feels comfortable after ten minutes, the thickness is appropriate. If you feel back pain or fatigue, it means the cushion is not qualified.
Moreover, people who already suffer from lumbar disc herniation and lumbar spinal stenosis must pay attention to the comfort of the cushion.