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首页> 外文期刊>International Journal of Exercise Science >The Relationship Between Stride Rates, Lengths and Body Size and their Affect on Elite Triathletes’ Running Performance During Competition
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The Relationship Between Stride Rates, Lengths and Body Size and their Affect on Elite Triathletes’ Running Performance During Competition

机译：步幅，长度和体型之间的关系及其对优秀铁人三项运动员比赛中跑步成绩的影响

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Previous research has suggested that a degree of predictability exists in the relationship between self-selected running stride rates (SR) and stride lengths (SL) with measures of body size such as mass, height and limb lengths. Significant correlations have also been revealed between these body size measures and performance and between SL and performance. However, there is also evidence to suggest that triathlon performance may be related to maintaining a longer SL during the final run. Hence, the aim of this investigation was to examine whether there was any relationship between SR and SL, with body masses and heights of senior elite triathletes during the run stage of a triathlon. The SRs and SLs of 37 male senior elite Triathlon World Championships competitors were analysed via videography and Video Expert II Coach. These values were correlated with the athletes’ body masses and heights (p<0.01). The results indicated a limited relationship between height and mass with SR in the early stages of the run. However, a significant, positive correlation existed between SL and height at all points from 3 km to the end of the run. Those triathletes who were taller used longer strides. Further research is warranted to examine the effects of cycling on the subsequent run discipline during triathlon and if body size and shape of triathletes have evolved as the young sport of triathlon develops.
机译：先前的研究表明，自行选择的跑步步幅（SR）和步幅长度（SL）之间的关系存在一定程度的可预测性，并且该步幅与身体大小（例如体重，身高和肢体长度）有关。这些体重测量值和性能之间以及SL和性能之间也显示出显着的相关性。但是，也有证据表明铁人三项的表现可能与在最后一次跑步中保持更长的SL有关。因此，这项研究的目的是检查在铁人三项赛的运行阶段，SR和SL与高级铁人三项运动员的体重和身高之间是否存在任何关系。通过录像和Video Expert II教练对37位高级铁人三项世锦赛男选手的SR和SL进行了分析。这些值与运动员的体重和身高相关（p <0.01）。结果表明，在运行的早期，身高和体重与SR之间的关系有限。但是，从3 km到运行结束的所有点，SL和高度之间都存在显着的正相关。那些高个子的铁人三项运动员的步伐更长。有必要进行进一步的研究，以检查铁人三项运动期间自行车运动对随后跑步规则的影响，以及随着铁人三项运动的发展，铁人三项运动员的体型和形状是否得到了发展。

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