2. Taking part in winter physical exercise can exercise and enhance physical fitness. People who keep exercising in winter will get less sick.
3. Taking part in winter physical exercise can exercise the strong will not to be afraid of cold, improve the cold resistance of the body and enhance the ability to resist various diseases. People who keep exercising in winter have 8~ 10 times stronger cold resistance than ordinary people.
4. Taking part in winter physical exercise plays a positive role in eliminating fatigue caused by long-term brain learning, enhancing memory and improving learning efficiency.
5, physical exercise in winter, receiving sunlight, ultraviolet rays in the sun can not only kill germs on human skin and clothes, but also disinfect the human body; It can also promote the absorption of calcium and phosphorus by the body and contribute to the growth and development of bones, especially suitable for middle school students who are growing up.
According to the survey, people who often participate in sports activities are 4~8 cm taller than those who do not participate in sports activities.
Extended data:
Matters needing attention in winter physical exercise:
1, cold and antifreeze.
Clothes should be increased or decreased according to the change of outdoor cold. For exposed hands, face, nose and ears, in addition to rubbing and wiping frequently to promote local blood circulation, corresponding protective measures should be taken, such as wearing gloves and earmuffs.
2. Warm up before exercise.
In winter, when the human body is stimulated by cold air, the mobility of muscles and joints is low, and the elasticity and ductility of ligaments are obviously reduced. Without adequate warm-up, it is easy to cause muscle strain. At this time, excessive force is easy to cause muscle strain, ligament tear and even fracture. Therefore, warm-up exercises should be done well, not only before strenuous activities, but also when walking or jogging.
3. Exercise should be moderate.
How to master the amount of exercise depends on the age, gender, physical condition and training level of the practitioners.
4. Pay attention to the time of exercise.
In winter, young people's metabolism is faster, and their physical functions recover faster after exercise in the morning or at noon. Suggested exercise time is 7: 00-9: 00 am and noon 12: 00- 14: 00. Middle-aged people, on the contrary, have poor adaptability. Therefore, it is suggested to focus on improving cardiopulmonary function training, and the best exercise time is between 18: 00-20: 00.
In addition, try to avoid exercise in foggy days, because the air circulation is poor, and impurities and bacteria are still floating in the air, which is harmful to health.
5. Relax and be scientific.
Active relaxation is a good rest. Don't rush to rest after exercise, you can jump and kick in place. At this time, pay attention to relax the whole body, swing your arms naturally, swing your legs alternately back and forth, left and right naturally, then lift your knees and bend over, make fists with your hands or make a knife shape, and beat your thighs and calves to fully relax your muscles. At the same time, relax. A relaxed and happy mood will have a good promoting effect on the body.
Baidu Encyclopedia-Winter Sports