| National youth swimming U series competition is new single nationwide in 2018 adolescents annual swimming competition,and increased more than 14 years old age group in the competition athletes onshore power quality testing,this is the first time in China at present in national competitive swimmer for onshore power quality testing requirements.This study used the methods of literature,expert interview,questionnaire survey,test,mathematical statistics,etc.,and took the evaluation of the land power quality of the athletes aged 16-18 years in the U series of national youth swimming as the research object.Taking the test results of athletes’ land power quality of the national junior swimming U series in Dalian station,Lvliang station,Shijiazhuang station,Chengdu station and Qingdao station as well as the results of athletes in the 50-meter butterfly,50-meter breaststroke,50-meter backstroke and50-meter freestyle competitions as research data,first of all,the quality of the athlete’s strength test scores and 50 meters of the strokes of the results of the competition has carried on the correlation analysis,it is concluded that both correlation,illustrates the Chinese swimming association athletes selecting test indexes of power quality with rationality,Then USES progressive evaluation method to build the national under-16-stepping male and female athletes onshore power quality test evaluation standard of each single index and then made the national youth16 to 18 years old group swimmer onshore power quality test indicators in male and female athletes to the importance of the power quality of the questionnaire,the expert evaluation method is applied in determining weights of male and female athletes test indicators,through weighted comprehensive evaluation,constructs the comprehensive scores of male and female athletes onshore power quality evaluation formula.Finally,the national U16-U18 swimmers were graded according to each individual evaluation standard and comprehensive evaluation by using the method of dispersion and five-level scoring,and a land power quality evaluation system was established for the national U16-U18 swimmers.It aims to provide theoretical reference for the national youth swimming coaches to diagnose and evaluate the strength and quality level of athletes,to make training plans and to select young swimmers.It is convenient for the Chinese swimming association to understand the difference in the level of land force quality of swimmers in different regions of China,so as to make effective policies.The main conclusions are as follows:1.According to the regulations of the national u-series of junior swimming competitions,the test indexes for the land power quality of the 16-18 year old athletes are as follows: pull-up,standing long jump,vertical jump in place,lying prone,lying on one’s side and lying on one’s back.2.Set up a national under-16-stepping in male and female swimmers continental power quality of each individual test indexes of evaluation standards and comprehensive evaluation formula,the male swimmers on the onshore power quality comprehensive evaluation formula is: Y = 0.14 * A3 + A1 + A2 + 0.15 * 0.16 * 0.18 *A4 A5 + 0.18 + 0.19 * * A6(including A1 for pull-ups,A2 as the standing long jump,A3 for in-situ vertical jump,A4 for stomach up static,A5 to lie still,A6 to lie on your back up static)under the same.The comprehensive evaluation formula of female swimmers’ land power quality is: Y=0.20*A1+0.18*A2+0.17*A3+0.16*A4+0.15*A5+0.14*A6.3.The grading standards for each individual strength quality and comprehensive strength quality evaluation of national U16-U18 swimmers are as follows: first class,middle class,middle class,middle class,middle class and lower class.4.The evaluation criteria,comprehensive evaluation formula and grade division of each individual index of land power quality of U16-U18 swimmers in China have been formulated.The coach can intuitively and scientifically judge the realistic level of power quality of swimmers in this age group and provide reference for further training plans.5.Through the back-generation test of the comprehensive evaluation system of land power quality of national U16-U18 swimmers constructed in this study,it shows that the system is reasonable and effective.6.Through the evaluation system of the national U16-U18 swimmers on land force quality constructed in this study,the relevant leaders of the Chinese swimming association can understand the level differences of the strength quality of swimmers in different regions of China,and provide effective reference for formulating further policies. |
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