Humpback is mainly to exercise the strength of back muscles, so that the back can be straighter. The recommended exercise methods are barbell stretching and squat. A special way to exercise back muscles. If you use equipment, you can practice squats with Smith machine, which is safer and ensures that you are not easily injured. If the conditions are insufficient, you can also practice hard pulling with dumbbells, but the effect is not as good as barbells. If you exercise with your bare hands, you can practice from both ends on the flat ground, but the exercise effect is worse.