技能类隔网对抗性项群竞赛规则变化致因的研究

A Research on the Reason of Rules Revision in Net Games

把握竞赛规则变化的“脉搏”,超前准备、争取主动,是取得竞技体育比赛胜利的必要条件之一。本文通过综合研究的方法,提出并建立了适用于四个隔网对抗球类项目规则研究的新概念——“活球期”概念,确定了检验这一项群竞赛规则是否与竞技水平相适应的指标——七三阈值,并根据这一阈值对四个隔网项目规则修改的趋向进行了预测及提出了相应的建议。

It is one of the essential factors for winning a competition that one should throb with the 'pulse'of rules changes, getfully prepared in advance and take the initiative. In this paper, through a synthetic study, a new theory 'the living ballperiod' was put forward which is suitable for the study of the rules revision of four net games. The 'seven-three threshold' ,an index for measuring the adaptation of the rules to the competitive level of the sports,was then determined,with which aprediction of the trend of rules revision for the four net games was made and some relevant suggestions were offered.