天津体育学院学报
天津體育學院學報
천진체육학원학보
Journal of Tianjin Institute of Physical Education
2006年
1期
12~14
,共null页
陈民盛 刘彤 邹晓峰 覃晓红
陳民盛 劉彤 鄒曉峰 覃曉紅
진민성 류동 추효봉 담효홍
速度滑冰 步长 步频 步速 定点支撑方式 动态支撑方式
速度滑冰 步長 步頻 步速 定點支撐方式 動態支撐方式
속도활빙 보장 보빈 보속 정점지탱방식 동태지탱방식
the speed speaking; stride length; stride frequency; stride speed; fixed-point strut way; dynamic strut way
运用3D技术对速度滑冰中频幅组合与步速关系进行了探讨,首次提出了在周期性项目中区分定点支撑方式与动态支撑方式的概念。分析得出.由低速向高速滑行时。在步频与步速关系中,动态支撑方式遵循定点支撑方式的变化规律;但在步长与步速关系中,动态支撑方式却有与定点支撑方式相反的结果。
運用3D技術對速度滑冰中頻幅組閤與步速關繫進行瞭探討,首次提齣瞭在週期性項目中區分定點支撐方式與動態支撐方式的概唸。分析得齣.由低速嚮高速滑行時。在步頻與步速關繫中,動態支撐方式遵循定點支撐方式的變化規律;但在步長與步速關繫中,動態支撐方式卻有與定點支撐方式相反的結果。
운용3D기술대속도활빙중빈폭조합여보속관계진행료탐토,수차제출료재주기성항목중구분정점지탱방식여동태지탱방식적개념。분석득출.유저속향고속활행시。재보빈여보속관계중,동태지탱방식준순정점지탱방식적변화규률;단재보장여보속관계중,동태지탱방식각유여정점지탱방식상반적결과。
In this paper,3D technique is adopted to discuss the relationship between stride frequency and length combination and the stride rate in speed skating, and it is the first time to propose to differentiate the fixed-point strut way from the dynamic strut way concept in the periodic sports events. When from low-speed to high-speed,the dynamic strut way follows the change rule of the fixed-point strut way according to the relation between the frequency and the rate of stride ; But the result is opposite according to the relation between the length and the rate of stride.