Research On The Evaluation System Of Rhythmic Gymnastics Athletes In Amateur Sports Schools In Jiangsu Province

The selection of rhythmic gymnastics athlete in Jiangsu Province is still using the experience selection method,which lacks certain scientific basis.This study is based on the measuring evaluation theory,from a quantitative point of view,to establish the selection evaluation index system,weight system and evaluation standard system of rhythmic gymnastics athlete of amateur sports schools in Jiangsu Province.The purpose is to provide theoretical and practical reference for the selection of rhythmic gymnastics athlete in Jiangsu Province,and to provide reference for other provinces and cities to establish appropriate selection evaluation system corresponding age.This study uses Delphi method to determine the athlete selection index and adopts the test method to test 89 rhythmic gymnastics athletes between 8-11 years old in Jiangsu Province.The test obtains 10 indexes of body physique and 7 indexes of special quality,which is a total of 17 index data.The principal component analysis method is used to determine the index weight system.By using the percentile method,this study establishes a single scoring table and a comprehensive evaluation table.The findings are as follows:1)The selection evaluation index system of rhythmic gymnastics athlete of amateur sports schools in Jiangsu Province includes two first-level indexes,which are body physique and special quality respectively.Body physique includes weight,finger spacing,height,chest circumference,waist circumference,leg length,neck length,Achilles's tendon length,shoulder breadth and pelvis breadth,which has 10 second-level indexes.Special quality includes longitudinal fork,bend and grasp feet,V-up,Barca Twist,eyes closed standing on one foot,vertical jump in situ and shoulder circuit spacing,which has 7 second-level indexes.The two first-level index weight are(0.510,0.490)respectively.The principal component analysis method is used to determine the weight coefficient of the second-level index and to form a perfect weight system with the first-level index weight system.2)According to the percentile of test data,a single index score table is formulated.The comprehensive scoring evaluation grade is also formulated according to the five-level evaluation standard.By using the weighted average comprehensive evaluation model,the study evaluates rhythmic gymnastics athletes of amateur sports schools in Jiangsu Province.The higher the athlete's comprehensive score is,the higher the grade will be,which further verifies the high practicability,veracity,and scientificity of the evaluation system.Conclusion:This study has preliminarily determined the evaluation index system,index weight system,single index scoring system and comprehensive scoring grade of rhythmic gymnastics athlete of amateur sports schools in Jiangsu Province.The evaluation system,which has high practicability,veracity,scientificity and operability,can be widely used in the selection of amateur sports schools in Jiangsu Province.It provides a quantitative evaluation method for the selection of rhythmic gymnastics athlete of amateur sports schools in Jiangsu Province,which can further effectively improve the scientificity and veracity of amateur athlete selection.