Section 1: Ankle function exercise: lie on your back, straighten your legs, stomp your ankles down as far as possible, then stop, maintain for 10 seconds, then stretch your back up as far as possible, maintain for another 10 seconds, nothing to exercise. Section 2: Leg extension exercise. Supine position, both lower limbs alternately bend the knees up as close to the lower abdomen as possible, just like pedaling a bicycle, repeat 10-20 times. Then bend and lift both lower extremities at the same time, as close to the lower abdomen as possible, and repeat 10-20 times. Section 3: straight leg raise functional exercise: lie on your back, straighten your right leg, bend your left leg, use your left foot as the fulcrum, then use your right leg as the fulcrum, gradually and slowly lift up to 45 degrees, then stop, maintain for 10 seconds, then slowly lower, stop when you are about to reach the bed without touching it, maintain for 10 seconds, then slowly lift up, do 20-30 times, then switch to the right foot as the fulcrum to complete the same action. Section 4: waist exercise. Supine position, bend both knees, make fists with both hands, bend both hands on the side of the body, lift the waist and hips up as much as possible, lift the chest, slowly for 10-20 times. Section 5: Lie on your back, bend your left leg, and then back and waist force, use your left foot and shoulders as the fulcrum to lift your right leg, buttocks and back, the right leg can also swing in the air a few times to increase the difficulty of waist control, do 20-30 times, then switch to the right foot as the fulcrum to complete the same action. Section 6: daily practice to lift the abdomen 60 times, after lifting the abdomen should be maintained for more than 30 seconds, while maintaining a normal breathing rate do not hold your breath. Note: 1, the above exercise every day morning and evening 3 times a cycle, the number of times completed if not able to reduce the number of times, do more cycles. 2, the number and intensity of this exercise method to vary from person to person, can be practiced more than ten times a day to more than a hundred times, divided into 3-5 groups to complete. Pay attention to the gradual progress, each day can gradually increase the amount of exercise. 3, such as exercise after the next day feel lumbar pain, stiffness and other discomfort, should be appropriate to reduce the intensity and frequency of exercise, so as not to aggravate the symptoms; exercise also do not suddenly force too hard to prevent sprain. It can effectively avoid deep vein embolism and increase the strength of lower limbs. 4.Start with less and progress gradually; don’t force yourself, you can pick some favorite movements to practice; if you feel severe pain, stop immediately; insist on the most important thing, integrate the training into your daily life.