Why Do We Need A Cushion For Sedentary?

- Aug 27, 2019-

The thoracic vertebrae are convex, the vertebral and lumbar vertebrae are convex forward. From the side, the spine is like two S connections.Because of this feature, the waist and back cannot be placed on the same plane.Therefore, when you make a computer chair, if you put a lumbar cushion at the waist, you can effectively support the waist and maintain the flexion of the lumbar spine.

Why do we need a curshion for sedentary