The reason for this is that fitness is a kind of exercise, such as all kinds of unarmed aerobics, rhythmic gymnastics, bodybuilding gymnastics and all kinds of self-resistance movements. Gymnastics and yoga can enhance strength, flexibility, endurance, coordination and control of various parts of the body, thus making the body strong. If you want to relieve stress, exercise at least three times a week. It can be concluded from exercising at least three times a week that the number of guesses is three, which is expressed in Arabic numerals.