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An Analysis Model for Studying the Determinants of Throwing Scoring Actions During Standing Judo

机译:柔道站立时投掷得分行为影响因素的分析模型

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摘要

In judo, the attacking system is grounded on several determinants of the chances to throw. In our study, data regarding four determinants of the attacking system were collected in order to classify the standing scoring actions: the attacking type (direct/counter-attack), the throwing area (forward/backward), the technique’s category (based on motor criteria), and the lateral structure of fighting (contenders with a symmetrical/asymmetrical position). To study the usefulness of such an analysis, the standing scoring actions of the 2013 Judo World Championship were analyzed as an example of elite judo’s attacking system (n = 775). The Pearson’s chi-squared test and Cramér’s V were used to analyze the hypothesis of a uniform distribution or the association between variables and the strength of such an association, respectively. The scoring actions (p < 0.001) were mostly direct attacks (82.6%), in the forward throw area (57.5%), and in an asymmetrical position (67.2%). All of the variables were associated (p < 0.05; V = 0.11–0.54), with higher proportions of counter-attacks and attacks occurring on the backward thrown area during asymmetrical structures than the expected. Some categories of techniques were observed more than expected, depending on the symmetrical or asymmetrical structure. Our data augment the knowledge of standing judo by showing features of the attacking system, suggesting strategies for optimizing performance.
机译:在柔道中,攻击系统以投掷机会的几个决定因素为基础。在我们的研究中,收集了有关攻击系统四个决定因素的数据,以便对常规得分行动进行分类:攻击类型(直接/反击),掷球区(向前/向后),技术类别(基于运动标准),以及战斗的横向结构(位置对称/不对称的竞争者)。为了研究这种分析的有效性,我们以精英柔道的进攻系统(n = 775)为例,分析了2013年柔道世锦赛的常规得分行动。皮尔逊(Pearson)卡方检验和克拉默(Cramér)V分别用于分析均匀分布或变量之间的关联以及这种关联的强度的假设。得分动作(p <0.001)主要是直接攻击(82.6%),前投区域(57.5%)和不对称位置(67.2%)。所有这些变量都相关(p <0.05; V = 0.11-0.54),在非对称结​​构期间,向后投掷区域发生的反击和攻击比例高于预期。根据对称或不对称结构,观察到的某些类别的技术超出预期。我们的数据通过显示攻击系统的特征并提出优化性能的策略,从而增强了站立柔道的知识。

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