First, proceed from reality and make reasonable arrangements.
Each of us is different in age, gender, health status and exercise level, so we should "tailor-made", choose appropriate physical exercise programs according to our own specific conditions, make reasonable exercise plans, arrange the amount of exercise, and achieve a clear goal.
Second, "from shallow to deep, step by step"
This is a physical exercise principle based on the objective law of human functional activities and the law of human cognition. It means that when doing physical exercise, especially those who take part in physical exercise for the first time, the exercise time should be from short to long, the content should be from less to more, and the technical movements should be from easy to difficult. For example, people who have just started to practice long-distance running should not run too long or too fast at first. They can run alternately. With the increase of running times and the improvement of adaptability, they can gradually shorten the walking distance and increase the running distance, and then gradually increase the running speed after they can finish the race. This can make the functions of various organs and systems of the body gradually adapt to more and more intense exercise, and over time, the physique will be enhanced. If you violate this principle, exercising beyond the scope will not only do no good, but will damage your health.
Third, "everything must be constant, and exercise must be constant."
"Fishing for three days and drying the net for two days", it is impossible to make your body strong. Practice has proved that physical strength is not eternal. If a strong person thinks that he is healthy, satisfied with the present situation and no longer continues to exercise, then his physical quality will change from strong to weak. If the infirm realize that they are weak and consciously insist on exercising, they can turn weakness into strength. Even people who usually have a certain sports foundation will inevitably weaken various functions once they stop exercising for a long time. Strong physique and high physical activity can never be achieved by one-time exercise, nor can it be achieved once and for all after a period of exercise. Only the accumulation of quantity can lead to qualitative change. Therefore, we must insist on regular physical exercise to maintain and improve our health. Fourth, exercise for all-round development.
Physical exercise should pay attention to promoting the all-round development of various organs of the body, such as speed, agility, strength, endurance and coordination. Proper exercise in various ways can ensure the unified development of up, down, inside and outside. For example, people who often practice long-distance running should also try to do gymnastics and play basketball; People who often play table tennis and ball games should also practice long-distance running and weightlifting. Only in this way can we ensure the all-round development of physical fitness.