The correct sitting posture is best for the waist, including the following aspects: 1, sitting position when the body to sit straight, sit upright, head up, chest up, do not twist the body to sit, crooked body to sit or use the arms to support the body on the table, these will lead to the waist to appear twisted load, resulting in injury. 2, after sitting straight waist back to have effective support, some chairs are ergonomic, can effectively share the waist back Pressure, to protect the low back. If the back of the chair is relatively straight, you can pad a thin cushion in the lumbar area, can effectively support the waist, share the pressure of the lumbar back, to protect the role of the lumbar spine. 3, in a timely manner to maintain the correct sitting posture, do a long time on the waist is not good, build 30-40 minutes to get up and move, you can move the waist, do a radio gymnastics, can effectively promote local blood circulation, relieve the local muscles Fatigue, the role of health care for the waist.