Fitness is a kind of sports, especially including unarmed or with instrumentgymnastics, gymnastics can enhance the strength, flexibility, endurance, improve coordination, the ability to control the various parts of the body, so that the body.If you want to alleviate the pressure, at least 3 times a week for exercise. Exercise heart. Swimming, walking, jogging, biking, and all aerobic exercise can exercise the heart. Aerobic exercise benefits