| （北京体育大学 田径教研室，北京100084） 摘要：对近20年世界女子100 m跑成绩演变和1997年田径世锦赛女子100 m跑成绩数据（100 m各段落跑速、步长、步频、步数）进行了分析，结果认为，世界女子100 m短跑优秀运动员成绩近20年稳步提高，平均最高速度的产生段落在50～60 m之间，即起跑后6～7 s，速度下降发生在90～100 m，下降幅度达到6.18%；在冲刺阶段，大部分运动员步幅增大至最高水平，步频和步长呈高度负相关，年龄与步长呈高度正相关，最高速度在很大程度上决定着100 m跑成绩。 关键词：100 m跑； 最高速度； 步幅； 步频； 女子运动员 中图分类号：G822.11文献标识码：A文章编号：1006-7116(2004)01-0117-04 |
LI Chun-lei
| (Teaching and Research Section of Track and Field,Beijing University of Physical Education,Beijing 100084,China) Abstract: the evolvement of achievement for dash woman in recently 20 years and the date of achievement for woman 100-meter running in 1997 world cham pionship were deeply analyzed in this thesis,The author got the following conclusions: the achievement of 100 meters running for woman had been increased with steady steps; generally,the prestissimo appear from 50 meters to 60 meters, the decreasing of speed appear from 90 meters to 100 meters, the range of decreasing is 6.18%; during sprint phase,stride length get to the high-point, correlativity between stride frequency and stride length is negative,but correlativity between age and stride length is positive,top speed is determinant for 100 meter. |
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