Correlation Between Sdgment-index And Score Of 400M Free-style Exclellent Swimmers In China

Nowadays, China makes a tremendous progress in sports with whole nation system. China team was on the top of medal list in recent several Olympic meetings. Nevertheless, we are still on low level for swim event in the world. Achievement of developed sports nations, like USA and Australian, hold a lead of China. For the sake of realizing transformations from developing sports nations to developed nations, we must pay more attention to the research of swimming.The author try to explore the regular pattern, which can help players win in the game, by analyzing the detail of different players. The sample of this article is top8 free-style swimming players, who take part in swim champion tournament in recent 5 years. The result would be a good refer to selection of candidate or adjustment of personal tactics. The study samples consisted of the 400M free-style swimmers, who raced in national premier swimming competition in past five years. With detailed analysis of scientific data, and determined the technical indicators, the author analysis and feedback the statistical of Long¬ Distance Freestyle Swimmer of outstanding performance. The researcher try to find and summarize correlation between various sub-specifications and the results (rank), and the statistical difference about the same indicators.The main conclusions are as follows:1 Front rank of the swimmers have more significant way-travel segment than back ranks on correlation with scores.2 The top three male swimmers in four successive matches performed different individual characteristics. The result shows Sun yang has a higher potential for development.3 There are no obvious difference on personal characteristics between the top three female swimmers. 4 The swimming speed of the front rank of swimmers, both male and female, is more stabilized.5 The rank of relevance between indicators and result is, Way-travel time→Turn off→The last 5 meters→The first fifteen meters→stage reaction time.6 Several stepwise regression equation have been established.