The waist twisting device can strengthen the strength of the waist and abdomen and activate the muscles, joints and ligaments of the back. From the perspective of traditional Chinese medicine, large-scale waist twisting activities can dredge meridians, promote the smooth flow of qi and blood, and strengthen the waist and kidney. Then when exercising, stand on the waist twister with your feet about shoulder width, hold the handrail with both hands and keep your upper body slightly forward. The muscles of the waist and abdomen contract, and the resistance generated by fixing the upper body with both hands makes the lower limbs rotate left and right. When turning the waist, the upper body should always be upright and the lower abdomen should be as tight as possible. Waist twisting exercise belongs to muscle endurance exercise, which is biased towards aerobic and flexibility training. It should be low-intensity exercise, 57 times a week, 34 groups each time, 2030 times in each group. This instrument is very easy to use, but if you don't exercise properly, it will cause sprained lumbar muscle ligament and even lumbar disc herniation. Therefore, it is necessary to pay special attention to emphasizing the large-scale slow twisting of the waist during exercise, and it is strictly forbidden to carry out inertia twisting quickly. In addition, if abdominal pain occurs during exercise, you can slow down the pace or reduce the amplitude, and if the symptoms are serious, you can stop exercising.