Cushions can relieve people who suffer from lumbar muscle strain, but there are a lot of specialties when using cushions. First of all, the cushion must be placed on the waist, it is invalid to put it on the back. This is because the spine of a normal human body has three physiological bends, which do not grow in a straight line due to physiological needs. The thoracic spine is kyphotic, and the cervical and lumbar spine is convex forward. Viewed from the side, the spine is like a connection of two Ss. Due to this physiological characteristic, the waist and back cannot be placed on the same plane.
Therefore, when sitting on a computer chair, if you put a cushion on the waist, you can effectively support the waist, maintain the physiology of the lumbar spine, balance the pressure of the lumbar spine and lumbar muscles, reduce strain, increase comfort, and prevent and improve the lumbar spine Discomfort, good for stabilizing the spine.
Secondly, the thickness of the cushion should be appropriate. It should not be too thin or too soft, so that it will not support the waist, nor too thick or too hard, too thick may cause excessive flexion of the lumbar spine, while too hard will make people uncomfortable. When choosing, you can put the cushion behind the waist. If the cushion still feels comfortable after ten minutes, this thickness is suitable. If you feel fatigue or pain in the back, it means that the cushion is unqualified. In addition, people who already suffer from lumbar disc herniation and lumbar spinal stenosis should pay more attention to the comfort of the cushion.
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