Yang Fei's fitness is a quarterly card, with 200 cards per month. Fitness Zhou Ka is valid for seven days, so you can come to the gym to exercise any time within seven days. Fitness is a kind of exercise, such as all kinds of unarmed aerobics, rhythmic gymnastics, rhythmic gymnastics, and all kinds of self-resistance movements. Gymnastics can enhance the strength, flexibility, endurance, coordination and control of all parts of the body, thus making the body strong.