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首页> 外文期刊>Journal of Sports Science and Medicine >Maturity Status Strongly Influences the Relative Age Effect in International Elite Under-9 Soccer
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Maturity Status Strongly Influences the Relative Age Effect in International Elite Under-9 Soccer

机译：成熟度状态强烈影响国际9岁以下足球精英的相对年龄效应

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The aim of the study was to assess the role of the relative age effect (RAE) and to investigate the influence of the biological maturity status on the RAE in international under-9 soccer. The birth dates of 222 male participants of the U9 Eurochampionship Soccer Tournament in Vienna in 2016 were analyzed and divided into four relative age quarters (Q1-Q4) and the biological maturity status was assessed with the age at peak height velocity (APHV) method. Based on the mean±standard deviation of the APHV, the athletes were divided into three groups of maturity: early, normal and late maturing. Chi-Square-tests were used to assess the difference between the observed and the expected even relative age quarter distribution and to evaluate the difference between the observed distribution of early, normal and late maturing athletes and the expected normal distribution. A univariate analysis of variance was performed to assess differences in the APHV between the relative age quarters. A RAE was present (χ2 = 23.87; p 2 = 17.69; p 2 = 12.08; p = 0.002; ω = 0.58). These findings demonstrated that the selection process in international soccer, with athletes younger than 9 years, seems to be associated with the biological maturity status and the relative age. Relatively younger soccer players seem to have a better chance for selection for international tournaments, if they enter puberty at an earlier age, whereas relatively older athletes seem to have an increased likelihood for selection independent of their biological maturity status.
机译：这项研究的目的是评估相对年龄效应（RAE）的作用，并研究国际9岁以下足球运动员的生物成熟度状态对RAE的影响。分析了2016年在维也纳举行的U9欧洲冠军足球锦标赛的222名男性参与者的出生日期，并将其划分为四个相对年龄季度（Q1-Q4），并使用峰高速度年龄（APHV）方法评估了生物成熟度状态。根据APHV的平均值±标准差，将运动员分为三组：早熟，正常和晚熟。卡方检验用于评估观察到的和预期的甚至相对四分之一相对的季度分布之间的差异，以及评估观察到的早期，正常和晚期成熟运动员的分布与预期正态分布之间的差异。进行了单变量方差分析，以评估相对年龄区之间APHV的差异。存在RAE（χ2 = 23.87; p 2 = 17.69; p 2 = 12.08; p = 0.002;ω= 0.58）。这些发现表明，国际足球的选择过程（年龄小于9岁的运动员）似乎与生物学上的成熟状态和相对年龄有关。相对年轻的足球运动员，如果他们进入较早的年龄进入青春期，似乎有更好的机会参加国际比赛，而相对年长的运动员似乎不受其生物成熟状态的影响而被选择的可能性增加。

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