| 摘要 |
PURPOSE: A chair for supporting the lumbar vertebrae is provided to prevent the strain and deformation of the lumbar vertebrae and diseases. CONSTITUTION: A chair for supporting the lumbar vertebrae comprises a seat back unit(3), a chair seat(1), and a support unit(2). The seat back unit is formed so that the back and waist of a user can adhere closely thereto. In the chair seat, the lower part thereof is formed in the shape of semi-cylinder. A first protrusion and a second protrusion are formed in the chair seat. The support unit is formed to be assembled while fitting for the semi-cylinder shape.
|
