Boys can reply to my fitness: You are self-disciplined, keep on cheering. Fitness is a kind of sports, such as all kinds of unarmed aerobics, rhythmic gymnastics, rhythmic gymnastics and various resistance movements, gymnastics, yoga, etc., which can enhance strength and flexibility, increase endurance, improve coordination and control of various parts of the body, thus making the body strong. The scope of fitness is very wide, and exercise is only one part of fitness. Besides exercise, there are many contents of fitness, such as writing, singing, doing housework and practicing yoga. Fitness can be roughly divided into instrumental exercise and non-instrumental exercise. The state has formulated a national fitness plan and a national fitness implementation plan, which is conducive to improving the physical fitness of citizens.