1) It can increase the hollow position between the spinal column , decrease the spinal pressure ,help the youth's skeleton growth
2) It can accelerate the spinal blood circulation
3) It can relax the muscle , accelerate the blood circulation, decrease the pain caused by back muscle strain
4) Sit-up went-down stoop-down etc exercise can be also taken
5) It can clean out the lactic acid after exercise, and thus resume your animal spirits!