This paper mainly uses the grey correlation analysis to obtain the correlation degree between the key technologies and achievements of excellent female discus athletes, adopts the corresponding training methods and means in the training, and introduces the special strength problem under the technical response. The validity of the technical diagnosis model was verified through the competition. This paper analyzes Chen Yang's results in five important competitions and 18 throws in four years and tries to find out the important parameters of Chen Yang's technical characteristics which have an important impact on her performance, so as to provide reference for her future preparation for the Olympic Games and the National Games, as well as some theoretical research methods for the majority of trainers. ![]() Therefore, it is of great practical significance to study the sports injury factors of elite discus athletes. Sports injury is an important factor that restricts high-level athletes to achieve better results and even directly leads high-level athletes away from sports venues. For elite athletes, the impact of injury, especially the serious injury that needs to stop training or even surgery, will lead to the forced suspension of training or competition, hinder the improvement of sports performance, shorten sports life, and even lead to disability in serious cases. Good technical training in competition is the important guarantee to obtain excellent results, and selecting the key part of technical training which contributes more to the results can get twice the result with half the effort. Technical training is the key content of discus thrower's training system, and it is the key factor to determine the athletes' performance in competition. Through the application of technical diagnosis model in Chen Yang in a period of time, Chen Yang got her best result (65.14 m) in Chongqing Athletics Championship, which verified the success of the technical diagnosis model and application in this study. This is different from our view that the hand speed is the most important, so the training of elite athletes should be more refined and specialized to promote the improvement of their performance. The results show that the influence degree of these technical parameters is as follows: torso angle of right foot touching the ground, discus release angle, discus release speed, shoulder and arm passing angle of left foot off the ground, discus moving distance of double support, center of mass moving distance of double support, and time of the second single support stage. We select from several technical parameters with significant differences, choose from several technical parameters that have significant difference, and calculate the correlation parameters and results. This paper mainly studies and analyzes some important technical parameters and achievements of elite female discus athletes aged 2018∼2021 by using the methods of Pearson, partial correlation and grey correlation analysis. This paper introduces the concept of champion model and puts forward a targeted technical training system based on the differentiation research of champion model. Training starts from the construction of accurate personalized technology and physical fitness model. ![]() ![]() ![]() The brilliance of Chinese women's throwing benefits from the closed-loop personalized training system. The personalized training of elite athletes is the key to the breakthrough of Chinese track and field events in the Tokyo Olympic Games.
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