通过对不同水平十项全能运动员成绩发展变化的分析发现 ,运动员成绩增长呈现出很强的阶段性特点 ,表现为 :在初期阶段成绩增长速度大大高于中期成绩的增长。随着运动员水平等级的提高 ,成绩增长的幅度相应增大。各单项成绩的增长速度各不相同 ,一些项目增长较快 ,一些项目增长较慢。运动员在不同时期的成绩水平和成绩增长率 ,可作为评定运动员发展水平的参考依据 Through the analysis of the changes of the performance of decathletes at different levels, it is found that there is a strong stage characteristic in the performance growth of athletes. The performance of the athletes is much higher than that of the mid-term in the initial stage. With the improvement of the level of athletes, the rate of achievement increase correspondingly. The rates of individual achievements have varied at different rates, with some projects growing faster and some projects having a slower growth rate. Athletes in different periods of achievement level and achievement growth rate, can be used as a reference to assess the level of development of athletes