First, the principle of conscious enthusiasm?
The principle of conscious enthusiasm means that physical exercisers have clear fitness goals, fully understand the value of physical exercise and actively engage in physical exercise activities. Physical exercise is a process of self-exercise and self-improvement, which needs to overcome its own inertia and various difficulties. At the same time, it is necessary to have a certain work and rest system as a guarantee and take physical exercise as an indispensable part of life in order to be effective. ?
How to improve the conscious enthusiasm of physical exercise? ?
(1) Make clear the scientific truth that "life lies in exercise", establish the correct purpose of exercise, regard physical exercise as the conscious need of daily study and life, and stimulate the initiative of exercise, thus mobilizing the enthusiasm of exercise. (2) Cultivate interest, which is people's tendency to know things and engage in activities. When a person is interested in a sports activity, he will show great initiative and consciousness in this sports activity, so as to achieve the integration of body and mind.
Second, the principle of stressing practical results?
The principle of stressing practical results means that when choosing exercise content, methods and arranging exercise load, it should be determined according to the actual situation of individual's gender, age, occupation, health status, hobbies, requirements, original foundation and living conditions, and the best exercise effect can be obtained by exercising in accordance with scientific methods.
How to stress practical results in physical exercise? ?
(a) according to the individual's actual situation, formulate a set of feasible exercise plan or exercise prescription, and strictly implement it, pay attention to the phased adjustment. ?
(2) When choosing exercise content, we should pay attention to its fitness value, do not pursue the form of action, do not engage in difficult technical action training beyond our ability, and choose physical exercise that is simple, practical, valuable and effective as the main content of physical exercise. ?
(3) When arranging the exercise load, it should be based on the difficulty that the exerciser can bear and overcome, and generally feel comfortable and will not affect the normal study, work and life (see the value threshold theory of exercise load for the measurement standard).
Third, the principle of perseverance?
The principle of perseverance means that physical exercise must be carried out regularly, making it an important content in daily life. Physical exercise stimulates the body, and each stimulation produces certain traces of action, while continuous stimulation produces traces of accumulation. This accumulation makes the structure and function of the body adapt to the new situation, the physique will continue to strengthen, and the conditioned reflex of motor skills will also continue to strengthen. Therefore, it is very important to insist on physical exercise. It is impossible to expect to achieve remarkable results in a short time, and it must be accumulated for a long time. ?
How can we make physical exercise persistent? ?
(1) According to your own ability, set an achievable physical exercise goal (not too high) and make a practical exercise plan (which can be adhered to for a long time).
(2) Strengthen exercise awareness, list physical exercise as the content of daily life, regularly ensure a certain amount of physical exercise time, and gradually develop habits, so that physical exercise becomes an important part of life. ?
(3) The effect of physical exercise is not permanent. If the interval between exercises is too long, the effect will not be obvious. Therefore, every time you exercise, you must insist on arranging a reasonable exercise interval.
Fourth, the principle of gradual progress?
The principle of gradual progress means that physical exercise must follow the basic laws of natural development and adaptation of human body, reasonably arrange the exercise load from different subjective and objective realities, and improve the exercise level on the basis of gradual progress. In the process of physical exercise, the magnitude of exercise load directly affects the change of human function, and whether the load is appropriate plays a great role in the quality of exercise effect. The magnitude of exercise load varies from person to person and from time to time. Even the same person, in different functional States and at different times, the human body's ability to bear the load is different. Therefore, physical exercise should be gradual, adjust the exercise load at any time, and gradually improve the level of exercise.
Cardiopulmonary function is the ability of the heart to pump blood and the lungs to absorb oxygen, which directly affects the activities of the whole body organs and muscles, so it is very important.
The whole body needs oxygen to burn the energy stored in the body and convert it into heat energy, so that organs and muscles can get heat energy to exercise. Oxygen is inhaled from the lungs, so vital capacity and activity times are very important; The heart is responsible for sending oxygen to various organs and parts through the blood circulation system, so the beating intensity of the heart will affect the blood flow.
Therefore, cardiopulmonary function includes blood circulation speed, heart beating intensity, lung capacity and frequency.
The best way to measure cardiopulmonary function is to do exercise test, because the human body needs a lot of oxygen during exercise, so it can best "test" the activity ability of the heart and lungs.
Cardiopulmonary function refers to the ability of people to absorb oxygen and convert oxygen into energy. The whole process involves the function of the heart to produce and pump blood, the ability of the lungs to take in oxygen and exchange gas, the efficiency of the blood circulation system to transport oxygen to all parts of the body, and the function of muscles to use this oxygen.
Good cardiopulmonary function also reflects that the main functions of the body can run healthily, so it can be inferred that the probability of suffering from chronic diseases such as cardiovascular diseases, endocrine system diseases and respiratory system diseases is low.