Sports is an important way to improve people's health level, an important means to satisfy people's yearning for a better life and promote people's all-round development, an important driving force to promote economic and social development, and an important platform to show the country's cultural soft power.
sports
Sports is a complex social and cultural phenomenon, which is a conscious, purposeful and organized social activity based on physical and intellectual activities, in accordance with the laws of human growth and development, skill formation and function improvement, in order to promote people's all-round development, improve their physical fitness and overall education level, enhance their physical fitness and sports ability, improve their lifestyle and improve their quality of life.
With the expansion of international exchanges, the scale and level of sports development has become an important symbol to measure the development and progress of a country and society, and also an important means of diplomatic and cultural exchanges between countries. Sports can be divided into mass sports, professional sports and school sports. Including sports culture, sports education, sports activities, sports competitions, sports facilities, sports organizations, sports technology and many other elements.
The human body is an organic whole composed of various organ systems. When doing exercise, it seems that only the muscles are moving. In fact, the respiratory and blood circulation organs of the body are all involved in the activities, and they must be commanded and coordinated by the cerebral cortex.
Doing warm-up activities is precisely to improve the excitement of neurons in the cerebral cortex. Warm-up activities can also slightly raise body temperature, make muscles and tendons in good condition, have good elasticity and ductility, and will not be pulled or torn due to sudden contraction, which is particularly important in winter. Throwing, such as shot put, solid ball, javelin, softball, etc. You must act according to the teacher's password, so that you can't be forbidden and can't be careless.