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What's in sports?
First of all, take a walk:

It plays an auxiliary role in the treatment of osteoporosis, cervical and lumbar spondylosis, obesity, hyperglycemia, hyperlipidemia, hypertension, coronary heart disease, arteriosclerosis, apoplexy sequelae, neurasthenia, depression, constipation, hypoimmunity and other diseases.

Walking is closely related to scientific theories such as "life oscillation theory", "harmony between man and nature" and "aerobic exercise". In the real society, walking is the simplest, most economical, most effective, the best way for human beings to prevent and treat diseases and keep fit, and it is also the most widely known exercise mode.

Second, dance:

Dance is a performing art, which uses the body to complete various elegant or difficult movements, usually accompanied by music, and rhythmic movements are the main means of expression.

It usually uses music and other props. Dance itself has a variety of social significance and functions, including sports, social/courtship, sacrifice, etiquette and so on. Before the origin of human civilization, dance was very important in ceremony, etiquette, celebration and entertainment.

Third, swimming:

Swimming (swimming? ) is a skill that people float upward under the buoyancy of water, and through the regular movement of limbs, the body moves regularly in water by virtue of buoyancy.

Swimming can be divided into competitive swimming and practical swimming. Competitive swimming is the second largest event in the Olympic Games, including butterfly, backstroke, breaststroke, freestyle and synchronized swimming.

With the development of swimming, swimming can be divided into practical swimming and competitive swimming. Practical swimming is divided into sidestroke, diving, breaststroke, treading water, rescue, etc. Competitive swimming is divided into breaststroke, crawl, backstroke, butterfly and freestyle.

Fourth, jump rope:

Jumping rope is a sports game in which one or more people do various jumping movements on a circular rope. This game was called "Head Rope" in Tang Dynasty, "Jumping Rope" in Song Dynasty, "Jumping Hundred Ropes", "Jumping White Rope" and "Jumping Horse Rope" in Ming Dynasty and "Jumping Rope" in Qing Dynasty. Skipping rope, as an ancient folk entertainment of Han nationality, has been used every festival since the Southern Song Dynasty, and every household has to compete.

Verb (short for verb) Tai Ji Chuan:

Tai Ji Chuan, a national intangible cultural heritage, is a kind of traditional boxing in China, which combines rigidity with softness. It takes Taiji and the dialectical thought of Yin and Yang in China's traditional Confucianism and Taoism as the core concept, and integrates many functions such as nourishing and nourishing, strengthening the body, fighting and fighting, combining the changes of Yin and Yang and five elements, meridians of traditional Chinese medicine, ancient guidance, breathing and so on.

Benefits of aerobic exercise:

1, the risk of dementia is low. A study by the Salgus Institute of the University of Gothenburg in Sweden shows that women who do more aerobic exercise in middle age are 88% less likely to develop Alzheimer's disease 40 years later.

2. The immune system is anti-aging. University of London compared 125 amateur cyclists aged between 55 and 79 with 75 people of similar age who seldom exercised, and found that the immune system of cyclists was more resistant to the risk of aging.

3. Muscles are stronger. A study published in the American Review of Physical Education and Sports Science shows that men who engage in moderate-intensity and high-intensity aerobic exercise for 45 minutes four times a week have increased their leg muscle mass by 5%~6%.

Refer to the above? People's Network-Ten Benefits of Aerobic Exercise, Baidu Encyclopedia-Dancing, Baidu Encyclopedia-Walking, Baidu Encyclopedia-Tai Ji Chuan, Baidu Encyclopedia-Jumping Rope, Baidu Encyclopedia-Swimming.