Comparative Analysis Of The Serve Effects And Reception Effects Of The Chinese Women’s Volleyball Team And Their Main Opponents In The 2020 Tokyo Olympics

Due to the impact of the COVID-19,the 2020 Tokyo Olympics has been postponed to July 2021.The Chinese women’s volleyball team played like the defending champion,but suffered Waterloo and failed to qualify in the group stage.The failure of the Chinese women’s volleyball team is caused by many reasons.We need to find the reasons and plan for the next international competition.Based on the research methods of literature,video observation,and mathematical statistics,this paper takes the serving and receiving effects of five opponents in the Chinese women’s volleyball team and its group matches in the Olympic Games as the research object.After careful analysis and induction of the collected data,the research results are as follows:（1）In the 32 nd Olympic Games Women’s Volleyball Group B group stage,there were a total of 2,330 serves,of which the jumping ball served the most,followed by vigorous jump server,and the front-handed floating ball was the least.The Chinese team has a total of 375 serves,and the main serving method is jumping and floating.There are only 30 frontal overhand and 1 vigorous jumping serve.Compared with its main opponent,it lacks an effective vigorous jumping serve.（2）The Chinese team’s serve is mainly concentrated in the No.5,No.6,and No.1 areas in the backcourt,of which the No.5 area is the most,the purpose is to find the opponent’s main attacking player;the second is the central area,mainly for midfield attacking,and the space between the two;No.2,No.3 and No.4 areas in the front row are the least,and there are more tennis balls.（3）The Chinese team’s serving effect is relatively good.Compared with its main opponents,the Chinese team’s serving tactical attack is the best among the six teams,and the serving error rate is the lowest.The rest of the indicators are in the middle and upper reaches.（4）The breaking attack rate of the winning games of the Chinese team is higher than that of the opponent,and the breaking attack rate of the losing games is lower than that of the opponent.The breaking attack rate,tactical attack rate,and service efficiency of the winning games are higher than those of the losing games.（5）The effect of the Chinese team’s return service is not ideal.Compared with its main opponent,the Chinese team’s return and serve rate is the lowest,and the nonreturn rate is the highest,the overall return efficiency is low.（6）The returning lineup adopted by the Chinese team is different from the returning lineup of the other five teams.It is a returning lineup composed of the main attack,freeman,and reception setter.The rest of the teams all use double main attack and free man.The game has not changed.（7）Among the main players of the Chinese team,Li Yingying and Zhang Changning have a high return and serve return rate,and the return service effect is better;Wang Mengjie and Gong Xiangyu have poor return performance compared with other players,and the return service effect is not good.