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首页> 外文期刊>Acta of Bioengineering and Biomechanics >Multivariate analysis of 200-m front crawl swimming performance in young male swimmers
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Multivariate analysis of 200-m front crawl swimming performance in young male swimmers

机译：年轻男子游泳运动员200米前爬泳性能的多元分析

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The aim of the present study was to evaluate the biomechanical (stroke rate, stroke length, and stroke index), anthropometrical (body height, body mass, body mass index, arm span, shoulders width, thigh, leg and upper arm lengths), and muscle architectural (muscle thickness, pennation angle, and fascicle length) parameters as predictors of 200-m front crawl swimming performance in young male swimmers. Twenty-two county level male swimmers (mean +/- SD: age: 14.52 +/- 0.77 years; body height: 173 +/- 5 m; body mass: 60.5 +/- 5.7 kg) performed a 200-m front crawl swimming test in a 25-m pool. Stepwise regression analysis revealed that biomechanical parameters (87%) characterized best 200-m front crawl swimming performance, followed by anthropometrical (82%) and muscle architectural (72%) parameters. Also, stroke length (R-2 = 0.623), body height (R-2 = 0.541), fascicle length of Triceps Brachii (R-2 = 0.392) were the best single predictors that together explained 92% of the variability of the 200-m front crawl swimming performance in these swimmers. As a conclusion, with respect to higher performance prediction power of biomechanical parameters, technique should represent the core of the training program at these ages. In addition, these findings could be used for male young swimmers selection and talent identification.
机译：本研究的目的是评估生物力学（中风率，中风长度和中风指数），人体测量学（身高，体重，体重指数，手臂跨度，肩膀宽度，大腿，腿和上臂长度），和肌肉结构（肌肉厚度，前倾角和束长度）参数可预测年轻男性游泳者200米前爬泳的性能。 22名县级男游泳运动员（平均年龄：SD：14.52 +/- 0.77岁;身高：173 +/- 5 m;体重：60.5 +/- 5.7 kg）进行了200 m的前爬泳在25米长的游泳池中进行游泳测试。逐步回归分析表明，生物力学参数（87％）表征了最佳的200米前爬泳游泳性能，其次是人体测量参数（82％）和肌肉结构参数（72％）。此外，中风长度（R-2 = 0.623），身高（R-2 = 0.541），肱三头肌肱三头肌束长度（R-2 = 0.392）是最好的单一预测因子​​，可共同解释200例患者的92％变异性-m在这些游泳者中的前爬泳表现。结论是，关于更高的生物力学参数性能预测能力，技术应代表这些年龄的培训计划的核心。此外，这些发现可用于男性年轻游泳运动员的选择和才艺鉴定。

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