A Comparative Study On The Somatotype Of Chinese Outstanding Basketball And Volleyball Players And Its Application In The Selection Of Young Athletes

The importance of tall athletes in team athletes has been obvious.The height of body has a positive impact on the height of sports,and then on the performance of sports.However,there are structural differences between athletes in different sports.At present,there is no strict distinction between basketball and volleyball athletes.The process of athletes' selection is multi-dimensional,but the basis of body selection.Body index runs through the four processes of selection(basic training,primary selection,intermediate selection and advanced selection).Based on the basic contents and principles of the theory of athlete selection in China,starting from the mainstream theoretical paradigm of sports selection,starting from the body shape selection of basketball and volleyball players,this paper takes the athletes(n = 520)who participate in the 2018-2019 China basketball professional regular season,the players(n = 128)who participate in the 2019 FIBA Basketball World Cup,and the players(n = 128)who participate in 2018-2019 The athletes of China Volleyball Super League(n = 559)and the athletes of some countries participating in the World Volleyball League training in 2019(n = 191)are the research objects.Through the method of literature retrieval,the research literature on the body shape and age structure of basketball and volleyball players is searched.The collected data are analyzed and summarized,and the previous research results are absorbed to provide the research for this study Theoretical and empirical research basis.By using the software Microsoft Excel 2012 and Microsoft Word 2013,the data obtained from the test were analyzed briefly,and then SPSS17.0 was used The system software analyzes the body shape index of 1398 athletes published on the official website of basketball and Volleyball Association at home and abroad,understands the average value and standard deviation of each index of the athletes,and then analyzes the correlation degree of each index through the correlation analysis of the index,and then analyzes the characteristics of the athletes in different positions through the one-way ANOVA,finally through the percentile Score scale and grade scale were established by number method.The purpose of this paper is to study the height and weight of Chinese basketball and volleyball players,reveal the body shape characteristics of the players in differentpositions of each sport and the differences between the body shape indexes of the two sports items;according to the body shape indexes of excellent basketball and volleyball players as the target value,calculate the body shape indexes that young athletes of different ages need to reach,so as to improve the selection of athletes For reference.Conclusion:(1)there is a significant difference between Chinese national basketball players and volleyball player S Ketole Index(P<0.05),and there is a very significant difference in BMI,Laurel Index and Dahlgren Index(P<0.01),there is a significant difference in Lees index between Male Athletes(P<0.05)and Female Athletes(P<0.01).There were significant differences between the first and third teams in men's basketball and Volleyball League(P<0.05)There was no significant difference in the derived index of the basic body shape of the first team's female basketball and volleyball players in the international league,there were significant differences in the Ketole Index,BMI index,Laurel Index,Leishi index and Dazhi index among the players of the third team in women's basketball and Volleyball International League(P<0.01).(2)there are significant differences among the first and last club basketball and volleyball players in our country in the indexes of Ketole Index,BMI,Laurel Index,Leibniz Index and Dazhi(P <0.01);There were significant differences in the Ketole Index,BMI index,Laurel Index,Leishi index and Dazhi Index(P<0.05)Among the first female basketball and volleyball players There was no significant difference in the last female athlete's Ketole Index,BMI index,Laurel Index,Leishi index and Dazhi Index(P > 0.05).(3)the difference between the height and weight of Chinese men's basketball players and those of France,the United States,Spain and Argentina who have excellent basketball results is gradually narrowing,and there is no significant difference on the whole,there is no significant difference in the height of the men's club players in different grades in China There is no significant difference in height and weight between Chinese Female National Basketball Players and American and Spanish players.(4)there is no significant difference between the height and weight of Chinese men's volleyball player and the high level of French,American,Spanish and Argentine athletes as a whole,there is no significant difference in the height and weight of the players of the men's clubs with different results ranking in our country,and although there is no significant difference in the height of the women's volleyball player between the athletes of our country and those of other countries,but there were significant differences in body weight.The results show that:(1)there are significant differences in height,weight,volleyball player index,BMI,Laurel Index,Lees Index and Daly index between men's basketball and men's basketball,basketball players' body weight,Catole Index,BMI,Laurel Index,Lees Index and volleyball player index were all higher than those of basketball players,the men's players who have a higher catole index,BMI index and Dazhi index are more likely to play basketball.(2)Height has a great influence on the results of women's basketball players compared with men's basketball players,and weight has a great influence on the results of women's volleyball players compared with men's basketball players.(3)In the body type index,the ketole index,the laurel index and the reichsch index can reflect the "ideal body type index" of the excellent basketball and volleyball players in China.(4)There is a negative correlation between the laurel index,the Reid index and the blocking height,the smashing height,among which the laurel index,the Reid index and the blocking height,the smashing height have a medium degree of correlation.(5)The evaluation table of different position grades of excellent basketball and volleyball players is established by using the data of athletes' shape index,which provides a certain reference for the evaluation of athletes' shape and selection of athletes.