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首页> 美国卫生研究院文献>Journal of Sports Science Medicine >Relationship Between Final Performance and Block Times with the Traditional and the New Starting Platforms with A Back Plate in International Swimming Championship 50-M and 100-M Freestyle Events
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Relationship Between Final Performance and Block Times with the Traditional and the New Starting Platforms with A Back Plate in International Swimming Championship 50-M and 100-M Freestyle Events

机译：国际游泳锦标赛50米和100米自由泳比赛中传统和新的起步平台与背板之间的最终成绩和盖帽时间之间的关系

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The purpose of this study was to investigate the association between block time and final performance for each sex in 50-m and 100-m individual freestyle, distinguishing between classification (1st to 3rd, 4th to 8th, 9th to 16th) and type of starting platform (old and new) in international competitions. Twenty-six international competitions covering a 13-year period (2000-2012) were analysed retrospectively. The data corresponded to a total of 1657 swimmers’ competition histories. A two-way ANOVA (sex x classification) was performed for each event and starting platform with the Bonferroni post-hoc test, and another two-way ANOVA for sex and starting platform (sex x starting platform). Pearson’s simple correlation coefficient was used to determine correlations between the block time and the final performance. Finally, a simple linear regression analysis was done between the final time and the block time for each sex and platform. The men had shorter starting block times than the women in both events and from both platforms. For 50-m event, medalists had shorter block times than semi- finalists with the old starting platforms. Block times were directly related to performance with the old starting platforms. With the new starting platforms, however, the relationship was inverse, notably in the women’s 50-m event. The block time was related for final performance in the men’s 50- m event with the old starting platform, but with the new platform it was critical only for the women’s 50-m event.Key Points class="unordered" style="list-style-type:disc">The men had shorter block times than the women in both events and with both platforms.For both distances, the swimmers had shorter block times in their starts from the new starting platform with a back plate than with the old platform.For the 50-m event with the old starting platform, the medalists had shorter block times than the semi-finalists.The new starting platform block time was only determinant in the women’s 50-m event.In order to improve performance, specific training with the new platform with a back plate should be considered.
机译：这项研究的目的是调查在50米和100米自由泳中每种性别的阻拦时间与最终成绩之间的关联，区分分类（第1至第3，第4至第8，第9至第16）和开始类型国际比赛的平台（旧的和新的）。回顾性分析了涵盖13年（2000-2012年）的26项国际比赛。数据对应于总共1657个游泳运动员的比赛历史。使用Bonferroni事后测试对每个事件和启动平台执行双向ANOVA（性别x分类），对于性别和启动平台（性别x起始平台）执行另一个双向ANOVA。皮尔逊（Pearson）的简单相关系数用于确定游戏时间与最终表现之间的相关性。最后，在每个性别和平台的最终时间和封闭时间之间进行了简单的线性回归分析。在两个项目和两个平台上，男子的起跑时间都比女子短。对于50 m的比赛，与旧的起跑平台相比，奖牌获得者的入围时间要短于半决赛。封闭时间与旧启动平台的性能直接相关。但是，有了新的起跑平台，这种关系就成反比了，尤其是在女子50米跳远比赛中。封闭时间与使用旧起跑平台的男子50米比赛的最终成绩有关，但对于新平台，该时间仅对女子50米比赛至关重要。要点 class =“ unordered” style =“ list-style-type：disc“> <！-list-behavior = unordered prefix-word = mark-type = disc max-label-size = 0-> 男性的阻滞时间比女性短 对于两个距离，游泳运动员从带有后挡板的新起跑台起步的拦网时间均比从旧平台起要短。 对于在旧的起跑平台上进行50米比赛时，奖牌获得者的阻挡时间要短于半决赛。 新的起跑平台上阻挡时间仅在女子50米比赛中起决定作用。 为了提高性能，应考虑使用带有后板的新平台进行专门培训。

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