Analysis On The Change Of Men's Decathlon Performance In The 11th To 13th National Games

In track and field sports,decathlon is in the weak ranks of track and field events,and it is also one of the difficult events that track and field events break through in the world competition in our country.The total score and individual score of Chinese male decathlon athletes are far from those of the world elite athletes.In this study,the results of the top eight men's decathlon athletes in the 11 th to 13 th National Games were studied and compared with those of the men's decathlon world record setters,and the differences between them and the causes of the problems were analyzed.This paper mainly adopts the methods of literature,mathematical statistics,logical induction,comparative analysis and so on.This paper analyzes and studies the data of the total scores of the top eight men's decathlon athletes and the results of each individual sport in the 11 th to 13 th National Games of China,and makes a comparison with the best achievement creators in the world.The main object of the study is the performance change trend of the top eight men's decathlon athletes in the 11 th to 13 th National Games.According to the sports characteristics of the men's decathlon,this paper applies Tian Maijiu's sports training theory to divide all the men's all-around sports into categories and men's all-around sports in the past three National Games.The performance changes of each item in sports are analyzed and compared.The characteristics of men's decathlon events are mainly dominated by physical fitness,which is divided into three parts: speed events,endurance events and rapid strength events(including jumping and throwing).The final conclusions are as follows:(1)the top eight men's decathlon athletes in the 11 th to 13 th National Games come from different provinces and units.(2)the men's decathlon speed class in the 11 th to 13 th National Games(110m hurdles,100 m,400m)characteristics of the development of events: the 11 th to 13 th National Games Men's Decathlon 110 m hurdles showed a small upward trend;Tenth The overall trend of men's decathlon 100 m events in the first to thirteenth National Games is in a downward trend;The men's decathlon scores of the 11 th to 13 th National Games showed an upward trend.(3)the men's decathlon scores of the 11 th to 13 th National Games showed an upward trend.(4)the 11 th to 13 th National Games The development characteristics of men's decathlon fast ability events: the men's decathlon high jump scores in the 11 th to 13 th National Games showed an upward trend;The general trend of men's decathlon long jump in the 11 th to 13 th National Games is still declining.Men in the 11 th to 13 th National GamesThe overall performance of sub-decathlon pole vault is on the rise.Javelin,discus,shot put in men's decathlon throwing events in the 11 th to 13 th National Games,All the events of throwing in the men's decathlon in the last three National Games have declined and continue to decline.(5)the development of men's decathlon in the 11 th to 13 th National Games: 11 to 13.The average score of the top eight men's decathlon athletes in the National Games is declining.From the analysis of project classification,jump items as a whole show an upward trend;endurance items have stopped the downward trend;speed items and throwingThe performance of the class of events is in a downward trend,among which,the speed of the event has a small decline,the throwing of the performance of the category of events fell greatly.The average scores of the top eight men's athletes in the 11 th to 13 th National Games increased and decreased in varying degrees.Although the high jump,400 m,110m hurdle,pole vault and 1500 m have increased,but not much,the biggest increase is the jump pole vault.100 m,long jump,shot put,discus and javelin have all dropped to a certain extent.The biggest drop was in javelin and discus throwing.This study excavates and analyzes the inherent law of the change of men's decathlon results in the National Games in recent years,and draws the conclusion that decathlon sports in China have gone downhill in recent years,mainly in javelin,discus and shot put in throwing events.In the obvious weakness,endurance events of 1500 meters need to be improved.As a kind of comprehensive sport,the improvement of decathlon is directly related to each individual item.At the same time,it is necessary to strengthen the training of weak events so as to achieve balanced development.