Research On The Dynamic Test Of Elite Notional Freestyle Skiing Aerials Athletes’ Lower Extremity Muscle Strength

Objective: With the development of freestyle skiing aerials techniques, the strength oflower extremity muscles is becoming the most important guarantee to secure technicalactions completed by athletes successfully. In this study, the author conducts statisticalanalysis about various indexes of the isokinetic test of freestyle skiing aerials athletes’ lowerextremity muscle strength, which gives effective monitoring and theoretic support forathletes’ muscle training and also provides valuable reference for selecting and trainingyoung athletes.Methods: In this study, document literature method, experimental method, andmathematical statistics are adopted. A host of literature materials provide a theoreticalfoundation for this study. According to the isokinetic test system ISOMED2000, the flexorand extensor strength of hips, knees and ankles of national elite freestyle skiing aerials menand women athletes are tested at the speed of60°/s and240°/s. In addition, analysis of thedifferences among hips, knees and ankles of the national elite freestyle skiing aerials men andwomen athletes, the proportion features of muscle group at different speeds, the correlation ofhips, knees and ankles, and the proportion of total value of hips, knees and ankles of men andwomen athletes is also conducted by means of mathematical statistics in this study.Conclusion: Firstly, in each index, there is a certain proportion percentage of hips, kneesand ankles. Secondly, freestyle skiing aerials men athletes have more muscle strength thanwomen athletes, and their total values are proportioned. Thirdly, most indexes of joints in thelower extremity of freestyle skiing aerials athletes are highly linearly correlated.Significance: Based on analysis and discussion, the characteristics of muscle strength offreestyle skiing aerials athletes’ hips, knees, ankles, and the relationships among the threejoints are revealed. It is advisable for women athletes to, on basis of maintaining theproportion of each joint index, improve lower extremity muscle strength by referring to theabsolute indexes of men’s movements. Coaches may refer to the proportion of lowerextremity joints of hips, knees and ankles in this study to check athletes’ overall musclestrength training, which can prevent multi-joint muscle from posing impact on the trainingresults.