Notational Analysis Of The Characteristics Of Chen Yufei Against Elite Badminton Women’s Singles Athletes

Objective: The research is primarily intended to analyze the characteristics and differences in time structure of Chen Yufei when she is against the major competitors in Tokyo Olympic Games called Tai Tzu Ying and Akane YAMAGUCHI so as to provide statistics and reference to the design and implementation of physical training for her in the future.Methods: In this thesis,the methods of literature,video observation,mathematical statistics and comparative analysis were used to analyze the data of the last 20 videos when Chen Yufei is against Tai Tzu Ying and Akane YAMAGUCHI in the international competitions.Morover,it adopts the Dartfish software to extract the original data of the time structure in each games,each round of game and the section of each round of game and makes analysis according to the time structure of each bout under three assortments of situation including the bouts of victory and defeat of Chen Yufei,different opponents and the number of rounds when she acquires the victory.Results: The rally time and resting time were significantly longer when Chen Yufei wins(P<0.05).The rally time and the number of shots when Chen Yufei is against Akane YAMAGUCHI in each game were significantly greater than those against Tai Tzu Ying(P<0.05).The rally time in the first round when Chen Yufei is against Akane YAMAGUCHI was significantly longer than that against Tai Tzu Ying(P<0.05).In third round,when Chen Yufei is against Akane YAMAGUCHI,the rally time,resting time and the number of shots of the first and third half of the game were sinificantly longer than those against Tai Tzu Ying.Conclusion: it is more advantageous for Chen Yufei to win in competitions with long time and slow speed.Compared with situation when she is against Tai Tzu Ying,Chen Yufei tends to make more sufficient preparations for aerobic exercise ability and aerobic recovery ability of game with Akane YAMAGUCHI.It is crucial to strengthen Chen Yufei’s rapid recovery ability after high-intensity exercise in the second half of the competition.