1. Physical exercise is an indispensable part of a healthy lifestyle.

(1) With the development of science and transportation, people have less and less opportunities to walk. With the popularization of production automation and household appliances, physical labor has decreased accordingly, leading most people to stop physical exercise and develop the habit of insufficient exercise. It is an urgent problem that must be solved for the health of all citizens to change the lifestyle of insufficient exercise. For those students whose lifestyles have not yet formed, it is even more urgent to try to prevent them from forming the habit of not exercising enough. It is easy for children to imitate their parents' living habits, so it is one of the important tasks of school physical education to let children develop the habit of insisting on physical exercise for life when living habits have not yet been formed.

(2) The wide application of information technology requires people to work at high speed, high intensity and high efficiency, and its tension requires people to have a healthier body. On the other hand, with the shortening of working hours and the increase of spare time, people hope and need to carry out colorful sports activities to enrich and adjust their lives. Therefore, in today's increasingly demanding quality of life, physical exercise has become an indispensable and most effective part of modern lifestyle.

2. Nutrition and health in physical exercise and life

Physical exercise and nutrition are both important factors to maintain and promote good health. Insufficient nutrition is closely related to morbidity, birth rate, mortality rate, physical development and life span, and also affects sports ability. Therefore, people pay attention to nutrition in life while taking part in physical exercise.

(1) Basic requirements of physical exercise on diet

Physical exercise is characterized by intense physical activity and high energy consumption, so the reasonable dietary requirements should be:

(1) Maintain the balance of heat energy, that is, maintain the balance of heat intake and consumption;

② The proportion of heat energy substances is appropriate. Nutritionists in China believe that the reasonable dietary structure should be protein, and the ratio of fat to sugar is 1: 0.7: 4 (by weight);

③ Adequate vitamins. There should be enough green leafy vegetables, fruits and animal hearts and livers. In the daily diet;

④ A reasonable diet system. Eat regularly, take part in strenuous exercise every 65438+ 0.5-2 hours after meals, and rest for 30-40 minutes before eating.

⑤ Pay attention to the acid-base balance of food. Staple food and non-staple food should be diversified and not partial to food.

(2) Drinking water hygiene during and after exercise

Long-term physical exercise, a lot of sweating, water loss of balance, serious when fainting will occur. Therefore, it is very important to pay attention to replenish water in the body during long-term exercise. Drinking water during or after exercise should be based on the principle of small amount and many times, and it is forbidden to drink too much at one time. A better drinking method is to drink about 15-20 minutes of water during exercise.

3. Physical exercise in life

A healthy lifestyle not only requires people to follow a reasonable work and rest system, but also requires people to develop the habit of physical exercise, thus effectively improving health, preventing diseases and creating good conditions for study and work.

Individual independent exercise is an unrestrained exercise that people carry out according to their hobbies and specific conditions at that time. This is the need of physical exercise and a way of entertainment. Such as children playing hide and seek, jumping rubber bands, spinning top, kicking shuttlecock, jumping squares, building houses and other active games and folk sports activities; Young people often choose content with simple rules or specific interests, such as various ball games, track and field, gymnastics, martial arts, etc., while middle-aged and elderly people choose activities suitable for their physical strength, such as playing Tai Ji Chuan, walking, playing chess, raising fish and birds, etc.

(1) Family physical exercise

The contents of family physical exercise include: radio exercises after getting up in the morning, Tai Ji Chuan, running, playing badminton, aerobics, foot washing before going to bed, eye exercises, holiday outings, dancing and various active games.

(2) Social sports

Children's Palace, Cultural Palace and Children's Amusement Park hold sports backbone training classes, small individual competitions, performances, tours and other activities to educate young people in science and technology and enrich their cultural and recreational life.

(2) stadiums (gymnasiums), swimming pools (gymnasiums), chess and cards rooms, shooting ranges, clubs, parks, etc. Provide entertainment and fitness places for people.

(3) Winter camps, summer camps, hiking, traveling, visiting, mountaineering, camping, swimming and other activities organized by relevant government departments and mass organizations on holidays.

(3) Medical sports in life.

① Medical sports (including medical gymnastics, fitness running, Tai Ji Chuan, etc. Medical gymnastics is the main exercise way to prevent and treat diseases. The content of gymnastics and the posture, activity position, amplitude, speed and muscle contraction force in each gymnastics should be selected according to the needs. Tai Ji Chuan is interested in nervous system, digestive system and respiratory system. Both works well. If you persist for a long time, you can not only prevent and treat diseases, but also have a remarkable fitness effect.

② Qigong. Qigong therapy has a history of about 2000 years in China. It is a kind of kung fu to exercise "vitality" and enhance physical fitness. At present, relaxation, strength and internal repair are widely circulated in China.

3 massage. Massage is a method to improve human physiological function, eliminate fatigue and prevent diseases by using hands, feet or instruments.

4 natural force exercise. Natural force movement is a method to improve the body's regulatory function, improve the body's adaptability to changes in the external environment, activate the life process and enhance the body's resistance to diseases by using natural factors such as sunlight, air and water. Commonly used are sunbathing, air bath and cold water bath.

With the development of social civilization, people have higher and higher requirements for their own health and quality of life, and modern people have more and more leisure time. Therefore, active physical exercise and entertainment have become an important part of modern lifestyle. Life needs exercise, and health needs exercise more. In modern and future society, the role of sports will be: to improve people's quality of life and make it richer, more scientific, healthier and more civilized; Reflect people's pursuit of beauty; Prevent and treat "civilized diseases" and delay aging.