Fitness is a kind of sports, such as all kinds of bare-handed aerobics, rhythmic gymnastics, physique gymnastics and various resistance movements. Gymnastics can strengthen strength, flexibility, increase endurance, improve coordination, control the ability of various parts of the body, so as to make the body strong.

If you want to relieve stress, exercise at least three times a week.

Exercise the heart, swimming, walking, jogging, cycling, and all aerobic exercise can exercise the heart.

Aerobic exercise has many advantages: it can exercise the heart and lungs, enhance circulatory system function, burn fat, increase vital capacity, reduce blood pressure, and even prevent diabetes, reduce the incidence of heart disease. The American College of Sports Medicine suggests that to know whether aerobic exercise intensity is appropriate, it is advisable to test the heart rate after exercise to reach 60%-90% of the maximum heart rate. If you want to lose weight through aerobic exercise, you can choose low to moderate exercise intensity, while prolonging exercise time, this method consumes more calories. The exercise frequency is 3-5 times a week, 20-60 minutes each time.

Bodybuilding muscles. If you want to exercise your muscles, you can do weight lifting, gymnastics and other repetitive stretching and flexing exercises.

Muscle exercise can burn calories, increase bone mineral density, reduce the risk of injury, especially joint injury, and prevent osteoporosis. Before doing weightlifting exercise, take a test. If you can lift up to eight times in a row, start with that weight. When you can lift this weight 12 times in a row, try adding 5% more weight. Attention should be paid to lifting 8-12 times in succession during each exercise, so as to achieve 70-80% of the maximum muscle endurance, and the exercise effect is better. 2-3 times a week, but avoid exercising the same group of muscles for two consecutive days, so that the muscles have sufficient recovery time.