1. Acute stage 1. Reclining position: you should sleep on a hard bed, with a thin pad under the waist when lying on your back, knees slightly flexed, and a small pillow under the N fossa; when lying on your side, bend your knees and hips, with the affected limb on top. 2.Getting out of bed: change from prone position to prone position, support the upper body with both upper limbs, slowly move the body weight to the side of the bed, land on one lower limb first, then the other lower limb and then move down, stand up with your hand on the head of the bed. 3, sitting position: sitting position waist straight, the chair should have a hard backrest, the waist can be padded with a small thin pad. Sitting position, the knee is slightly higher than the hip. 4.Rising seat: If you stand up from the seat, move one lower limb from the side of the chair to the back, straighten the waist and adjust the center of gravity and then stand up. Second, the recovery period Perform appropriate lumbar back muscle exercise, can increase the mobility of the lumbar spine and the stability of the spine. 1.Small angle forward flexion, backward extension, lateral bending, rotation, and circular rotation of the lumbar activities of the spine. 2, backwards walking: after the left foot, the body weight shifts back, with the left forefoot on the ground followed by the full foot on the ground, the weight shifts to the left foot, then the right foot. Left and right feet in turn. 1-2 times a day, 20 minutes each time. 3, abdominal exercise: supine bed, with both elbows, feet and head support the body, force upward abdominal, adhere to a moment, and then put down, repeat several times to feel a little fatigue. Each morning and evening once a day. 4, swallow fly: lying on the bed, behind the hands, legs together, waist force, so that the head and legs at the same time away from the bed. Adhere to a moment, and then put down, repeat several times to feel slightly fatigued. Every morning and evening once a day. 5, “air bicycle” exercise. Lie on your back in bed, legs up like a bicycle. Once a day in the morning and evening, 10 to 15 minutes each time. 6.Supine sit-ups. Once a day in the morning and evening, each time to do 10 ~ 20. 7, straight leg raise exercise: supine, active straight leg raise exercise to can not lift, others assist further raise 5 degrees ~ 15 degrees, the patient feel the back or affected limb slightly discomfort or slight pain, slowly put down, double lower limbs alternately. 8.Swimming. Attention should be paid to the use of the correct swimming posture, the pool water temperature should not be too low, before swimming to carry out adequate preparatory activities, swimming time should not be too long, there should be a certain time interval in the exercise to avoid excessive fatigue of the waist. Warm tips The above rehabilitation exercise methods, patients should be carried out according to their own situation under the guidance of doctors, choose 1-2 kinds of alternate every day. Exercise to feel slightly fatigued as the standard, do not over exercise.