文章基本信息

标题：Changes in the start reaction times of male and female sprinters in world athletic championships
本地全文：下载
作者：PETER MITAŠÍK ; MIROSLAV VAVÁK ; LADISLAVA DOLEŽAJOVÁ 等
期刊名称：Journal of Physical Education and Sport
印刷版ISSN：2247-8051
电子版ISSN：2247-806X
出版年度：2020
卷号：20
期号：3
页码：2253-2257
DOI：10.7752/jpes.2020.s3302
语种：English
出版社：University of Pitesti
摘要：Reaction time is an important component of the structure of sports performance in sprint disciplines. In our observation,we focused on the men's and women's 100 metres discipline at the World Championships (World Championships) in two periods. The first in 1999 - 2009 and the second in 2011 - 2019. This division was conditioned by the change in the false start rule,which states that any competitor who makes a false start,except in multicontest,will be disqualified (effective from 1 January 2010). This change affected the speed of the sprinter's reaction. The monitored group were finalists of the 100 m runs at the World Championships,a total of 11 events. We used basic mathematical-statistical characteristics and assessed changes in reaction times using parametric and nonparametric t-test. We compared reaction time in both periods in the heats (statistically insignificant in both categories) and in the finals we found a statistically significant difference (p < 0.05) only in women’s category. By comparing the speed of reactions in the heats with the speed of reactions in the finals in each period,we noticed statistically significant differences – in the first period in both categories at the level of p < 0.01 and in the second period at the level of p < 0.05. We also assessed the reaction time values in terms of the percentage of total performance,which was different for men compared to women. When comparing men and women,the results showed an increase in reaction time in finals during the second period compared to the first. In men's category,we found an increase by 4.17 % (0.144 s in 1999 - 2009 finals and 0.150 s in 2011 - 2019 finals) and in women's category by 7.95 % (0.151 s in 1999 - 2019 finals and 0.163 s in 2011 - 2019 finals).
关键词：reaction time;World Athletics Championships;men's;and woman's 100 m run;heats;finals;IAAF (WA)