The lumbar occurs crooked, mostly caused by lumbar muscle strain, due to bilateral muscle strength imbalance will cause scoliosis, self-corrective methods are as follows: 1, improve bad habits: patients sitting with their heads up, chest up, correct sitting posture, not twisted waist sitting or hunchback sitting for a long time. 2, functional training: patients can do lumbar stretching functional training, you can do the swallow movement, such as looking for The patient can do lumbar traction and straighten the scoliotic lumbar vertebrae, which can improve the appearance of deformity and symptoms.