The lumbar back muscles are one of the important structures to maintain the stability of the lumbar spine. Functional exercise of the lumbar back muscles helps to maintain and enhance the stability of the lumbar spine and can effectively prevent acute and chronic lumbar injuries and low back pain. For patients with lumbar myofasciitis, lumbar muscle strain or lumbar disc herniation and other lumbar spine disorders, the functional exercise of the lumbar back muscles should be strengthened. Lumbar back muscle exercise method 1, “small swallow fly” style prone on the bed, go to the pillow, hands behind the back, slowly and forcefully lift the chest, so that the head and chest out of the bed, while the knee joint straight, the two thighs force backward also leave the bed, for about 5 seconds, then muscle relaxation, re-prone on the bed, rest 3 to 5 seconds for a cycle, and then exercise. Step by step, generally do 20-30 each time, adhere to the practice 1-2 times a day can be. 2, “five-point support” style: lying on your back in bed, go to the pillow bent knees, both elbows and back against the bed, abdomen and hips up, relying on the shoulders, elbows and feet of the five points to support the weight of the whole body, for 3 to 5 seconds, then relax the lumbar muscles, put down the hips to rest for 3 to 5 seconds for a cycle. Exercise precautions 1, the number and intensity of lumbar back muscle exercise must be different from person to person, should be gradual, and can gradually increase the amount of exercise every day. If you feel soreness, discomfort and stiffness in the lumbar area the next day after exercise, the intensity and frequency of exercise should be reduced appropriately, or stop exercising, so as not to aggravate the symptoms; 2, do not exercise with sudden excessive force to prevent the exercise of the lumbar muscles and twist the waist. This is a static training, only need to slowly force can be; 3, if already have lumbar pain, stiffness, discomfort and other symptoms, should stop or reduce the lumbar back muscle exercise; in the acute attack of lumbar pain should be timely rest, stop the exercise, otherwise, may make the original symptoms aggravated.