Traditional Culture Encyclopedia - Traditional festivals - What should be the height standard for hurdles?
What should be the height standard for hurdles?
Olympic events are divided into men's 1 10 meter hurdles and 400 meter hurdles (included in 1896); Women's 100 meter hurdles (included in 1932, the last 80 meter hurdles were changed to 100 meter hurdles in 1972) and 400 meter hurdles (included in 1984).
Extended data:
Overcoming obstacles is a basic life skill formed by human beings in their long-term production and struggle with nature. Hurdling, as a track and field sport, evolved from the basic skills of crossing obstacles.
Hurdling originated in England and evolved from the game of shepherds crossing the sheepfold fence. At that time, people called it steeplechase, which belonged to men's sports. The obstacles set in the early hurdle race were general fences. Later, a wooden fence frame was buried underground, and later it was changed into a support for sawing firewood. Crossing this obstacle is not only dangerous, but also prone to injury accidents, which also hinders the improvement of hurdle technology.
Therefore, at the beginning of the 20th century, the movable "⊥"-shaped Hurdles appeared, which promoted the development of Hurdles technology. 1935, the "L" railing appeared again. As long as the railing is hit by 4 kilograms, it will fall forward. L-shaped structure is reasonable and safe, and it has been used ever since.
1837, the first hurdle race for college students was held in Britain. 1896 In the first Olympic Games, hurdle race was one of the official events, but at that time, the hurdle technology was not perfect, only the front legs were bent around the hurdle, so the results were not high. The champion score of this game is 17.6 seconds.
1900 in the second Olympic Games, the hurdle technology was improved and the "hurdle" technology was created. American athletes won the 1 10 meter hurdle championship in 15.4 seconds.
1908 In the 4th Olympic Games, American athletes adopted the posture of upper body leaning forward over the hurdle, and improved the action of crossing the leg (the crossing leg did not directly pull forward after landing, but crossed the hurdle by the side), and won the championship with the score of 15 second.
1920- 1922 Canadian athletes not only used the upper body to lean forward to help jump the hurdles to avoid the body's center of gravity rising too high, but also used the hurdle technique of leaning forward with one arm to help the upper body lean forward, and won the seventh Olympic champion with a score of 14.8 seconds.
1936 American athletes swing their legs high when hurdling, which plays a great role in landing quickly after hurdling and improves their skills. They won the first 1 1 Olympic champion in 14.2 seconds.
1959 west german athletes set a world record of 13.2 seconds (manual timing). It was not until 1973 that American athletes set a new record with 13 seconds and 1 By 1980, the world record is electric timer 13 seconds and manual timer 16 seconds.
Since 1970s, due to the appearance of plastic track, new changes have taken place in hurdle race technology. This change is the transition from hurdle race to hurdle race, and the whole speed has been improved (the average speed of 1 100 meter hurdle race is 8-9 meters per second, and the average speed of women's 100 meter hurdle race is 8 meters per second), and the absolute speed of "hurdle race" has also been improved to some extent.
Since the second Olympic Games, the men's 400-meter hurdle race has been listed as a competition. The height of hurdles at that time was 76.2 cm. The champion of this sports meeting is an American athlete, with a score of 57.6 seconds. 1904 In the 3rd Olympic Games, the height of hurdles was changed to 9 1. 1 cm, and the champion scored 58 seconds.
By 1956, American athletes broke through the 50-second mark in 49.2 seconds. The women's 400-meter hurdles became an international event from 1973.
Baidu encyclopedia-hurdles
- Previous article:What's the difference between ham sausage and sausage?
- Next article:What are the attractions worth visiting in Dali?
- Related articles
- My favorite 450-word composition about traditional festivals
- Someone asked me if the WeChat service is a pyramid model.
- What are the traditional bad habits in China?
- What is the dress code of China Wushu?
- All the hiatus phrases
- Why do China people claim to be descendants of dragons?
- What are the printing and dyeing processes in the Tang Dynasty?
- Product Knowledge of Qingdao Changsheng Group Co.
- What are the ways to protect Yunnan folk tourism resources?
- Swimming pool equipment generally need what