In the process of exercise, the relatively stiff waist can provide a certain amount of support, make the waist bend too much, and reduce the muscle strength, rather than strain or waist pain. Some features of the waist and back are metal sheets, which can effectively provide greater support and energy to prevent accidental injury. This kind of back waist is usually higher.

Exert certain pressure on muscles and regulate movement through force balance. Increase muscle strength and reduce swelling to a certain extent. Muscles are stimulated during exercise, accelerate metabolism, increase water in muscle cells, and cause cell swelling. Proper pressure will help make exercise more relaxed and powerful.