A Comparative Study On The Blocking Effect Of The Blockers Of The Top Six Teams Of The Women's Volleyball World Championship In 2018

At the 2018 women' s volleyball world championships,China 's women' s volleyball team has experienced twists and turns.The Chinese women' s volleyball team underwent a severe test but failed to reach the final.This also has exposed many problems at the same time,women' s volleyball world championship in the women's volleyball players figure is gradually enlarged,boyish,so apparent increasingly fierce today,block as the first line of defense,had players is block,the core of Chinese women' s volleyball and other teams in the world women' s volleyball athletes had exactly what are different in blocking and gap?By using the methods of literature review,expert interview,video observation and mathematical statistics,this paper made a comprehensive statistical analysis of the blocking effect of the six top teams of the women' s volleyball world championships in 2018.The research drew the following conclusions,providing certain theoretical reference for the Chinese women' s volleyball blocking training:(1)there is no significant difference in age between the Chinese women's volleyball team and the other five teams,but the age distribution of the Chinese women's volleyball team is not reasonable enough,resulting in "fault" phenomenon.The average height of the Chinese women's volleyball team's secondary attack team ranks the second among the top six teams,which has already ranked among the world's top level.In terms of the ktor index,the Chinese women's volleyball team has a lower ktor index than the other five teams.The Chinese women's volleyball team is in a dominant position in blocking height.(2)the total number and effective blocking rate of the Chinese women's volleyball team are higher than the other five teams,and the direct blocking success rate is lower than that of the Italian women's volleyball team and the Serbian women's volleyball team.The blocking success rate of the Italian women's volleyball team is the highest among the top six teams.(3)in the block allocation of the six teams,the proportion of the Chinese women's volleyball team's secondary players participating in the block is lower than 50%of the total number of the team,which is lower than that of Japan,Italy and the Netherlands,ranking the fourth.In lost games,the general ineffective block rate is high.In a few games,the Chinese women's volleyball team's secondary players block errors of more than 40%.The factors that affect the blocking effect of Chinese women's volleyball team's secondary players are less prediction,inaccurate jumping time,unfamiliarity with the opponent's attack route and being easily misled by the opponent's second pass.(4)the number of auxiliary offensive players in the Chinese women's volleyball team participated in the organization and attack for 135 times,accounting for 25.33%of the total number of organized attacks in the Chinese women's volleyball team,which is the largest proportion among the top six teams.The active running attack or cover side attack of the secondary offense plays an important role in the blocking of the opposing team.(5)Yuan Xinyue against Italy in Chinese women's volleyball team,women's volleyball game block score zero directly,and route for Italian women's volleyball team's offense is too clear,did not give full play to the height advantage,especially for Mr Doug's outbreak type hand,no specific blocking strategy will increase the back defender of pressure.