Method: Prone position, hands on the hips, according to each person’s physical strength in turn to lift the head, neck, chest, abdomen, to the maximum after adhering to five seconds for a time, starting from 3-5 times a day, increasing once a day to about 15 times a day, no longer increase. Emphasis on gradual and measured! Do not be in a hurry to achieve, and the desire for speed is not achieved. Purpose: To treat chronic low back pain caused by lumbar muscle strain. Also suitable for functional exercise after lumbar spine surgery. Not suitable for lumbar spine instability caused by lumbar isthmic fracture. Note: This exercise can aggravate the pain and other symptoms caused by lumbar instability caused by lumbar isthmus fracture.