对中外优秀十项全能运动员比赛成绩的灰色协调分析

An analysis of gray coordination of elite Chinese and foreign decathlon athletes' performances

男子十项全能是一项复杂的综合性竞技项目 ,也是一个典型的灰色系统。运用GM(1,N)动态协调模型对国内外全能选手在总成绩不断提高的各个阶段中各因素间相互联系、相互影响的辩证发展关系进行多方位、多层次的分析。揭示了身体素质中速度与力量这对主要矛盾因素的互相促进和制约是十项全能水平不断提高与发展的关键 。

Men's decathlon is a complicated comprehensive competitive event,a typical gray system.By adoption of GM(1,N) dynamic coordination model,the author made a multi-angle and multi-level analysis of mutual related and mutual influential dialectic relationship of factors at different stage of the elite Chinese and foreign decathlon athletes.It was found that the mutual promoting and limiting of speed and strength are the key to promoting decathlon level.Unbalanced speed and strength resulted in the underdevelopment of the Chinese decathlon performances.