Low back muscle function exercise, mainly to strengthen the lumbar back extensor exercise, the most commonly used is the supine arch bridge exercise and the prone position of the swallow exercise, exercise can be done once in the morning and once in the evening, each time do 20-30, the duration is 10-15 minutes, the main point of the action is to move slowly at each step, so that the low back muscles to maintain tension and contraction state, first slowly raised, when the action to the highest point of the position to maintain 2-4 seconds of immobility, and then slowly return to the flat or prone position.