Training purpose: to enhance the muscle strength of the local stabilizing muscles of the spine and improve the stability of the lumbar spine. (1) pelvic tilt exercise: the patient is in the supine position with a pillow on the back and the lumbar spine flat on the bed, and the therapist assists the patient to gradually tilt the pelvis forward; or in the prone position and assists the patient to tilt the pelvis back and forth. (2) neutral lumbar control: supine position, one hand touching the lower abdomen medial to the anterior superior iliac spine, one hand placed on the lumbosacral region, maintaining a neutral spine position, at which time the transversus abdominis and multifidus muscles jointly contract and maintain this position; (3) multifidus training: the patient takes a knee-hand kneeling position, while elevating the lower limb on one side and the upper limb on the opposite side at the same level as the trunk, and maintain; relax and repeat this action on the opposite side; can also lie prone on the training The ball, slowly raise one upper limb or lower limb and trunk at the same level and maintain. (4) bridge exercise: prone position, with the shoulders and feet as a support point, lift the back, hips and lower limbs, so that the hip, knee and shoulder in a straight line, lift the upper limbs vertically and maintain; can gradually bend the knee to increase the difficulty; can also be prone, bend the knee, with both elbows and knees as a support point, lift the hip away from the bed, keep the transverse abdominal muscle contraction, so that the knee, hip and shoulder in a straight line, and maintain. May repeat the action. (5) side bridge exercise: lie on your side, unilateral elbow support, hip extension position, knees together and flexed, the opposite upper limb placed above the hip, keep the transversus abdominis muscle contraction, lift the hip off the bed, so that the hip, knee, shoulder and neck are in a straight line, maintain. Relax slowly. Repeat on the opposite side. On this basis, the hip can be lifted with foot and elbow support to increase the difficulty. Applicable people: lumbar disc herniation, lumbar degenerative disease, lumbar muscle strain, lumbar spondylolisthesis