Research On The Competitive Strength Of China In The 8th To 17th World Athletics U20 Championships

The purpose of this study is to understand Chinese youth track and field athletes in the international arena,the competitive strength and performance of,given the current domestic related research is less,the youth track and field events held in this paper,the World Athletics U20 Championships in China through analyzing the competitive strength,for us to grasp the youth track and field athletes in the international sport characteristics of the dynamic performance and trend is of great significance.This study through the literature material law,pareto analysis,comparative analysis and interviews for the last 10 session(8 to 17 th)World Athletics U20 Championships the Chinese team in front of the medals table points table single won eight countries with each individual in our country has entered the top eight athletes in specific longitudinal and transverse research,compare the change of the tournament,trend analysis,find out the advantage of our projects and latent advantage and its dynamic change,scientific research and training to relevant personnel to provide help,for the Chinese track and field in the cultivation of the young talent construction and provides theoretical reference on the question of sports training,Contribute to the Tokyo Olympic Games and the Olympic glory program,and ultimately contribute to the long-term sustainable development of track and field in China.The conclusions are as follows:(1)China in the gold medal table,medal table and points table rankings do not belong to the strongest bloc countries,led by the United States,the main reason is that the top three athletes not enough,less than gold medal,but the top 8 athletes more,reflected in the points rankings > medal rankings > gold medal rankings,so competitive strength is strong but not top.(2)After analyzing the 10 sessions of the world youth athletics championships into two stages,it is found that China's competitive strength has a declining trend,which is reflected in the fact that the gold MEDALS and points are not as good as the previous stage.the main reason one is that in 2006 as the host,the second is athletes play worsethan before the stage as a whole.(3)Female athletes' competitive strength is stronger than that of male athletes.In terms of the number of participants,gold medal,medal,top 8 places and points,the data are better than that of male athletes still exist.(4)China's advantage and potential advantage events are mainly concentrated in the fast power category,with the most gold points and points;In the endurance group,only Race Walk is the dominant event,and in the speed group,only the men's 110 m hurdles have ever been the dominant event.At present,the events with advantages and potential advantages are men's and women's Long Jump,men's and women's Triple Jump,women's Shot Put,women's Discus Throw,women's Tammer Throw and men's and women's Race Walk.once has advantages and potential advantages events and currently the general events is the women's 5000 Meters,men's and women's Pole Vault and Women's Javelin.(5)Consolidate traditional competitive events,including the Shot Put,Hammer Throw and Race Walk in women's events,and the Long Jump and Race Walk in men's events;To develop and maintain the potential advantage events,which is not stable but has the opportunity to become an advantage,including the Discus Throw,the Long Jump and the Triple Jump,and the men's Triple Jump;The middle and long distance and short span and other weak events as a breakthrough.Among them,we should take the promotion of jumping and short span events as the top priority,select more young talents,as a breakthrough to improve the competitive strength of China's track and field.