用相关法评价男子400米运动员身体素质与运动成绩的关系

To Appraise the Relationship Between Fitness and Sporting Achievement for Men's 400m Runners with Correlation Method

提高男子４００米运动成绩的关键，是确定和该项目最相关的各项身体素质，以便在训练中有的放矢。通过对我国２０名男子４００米运动员专项成绩和有关各项身体素质成绩的调查和统计学处理，发现速度素质、力量素质起着至关重要的作用，训练中需要充分注意。

The key to add sporting achievement of men's 400m is to find different items of fitness that are correlated to it most, so that training can be arranged accordingly. By investigations and statistics of their major achievements and relevant different items of fitness of twenty men's 400runners in China , we find that the fitness of speed and physcial strength are key factors and more attention should be paid to them in training.