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引用次数: 2
摘要
摘要:本研究探讨了篮球最佳释放角度与个体释放分布的关系,以及个体是否寻求他们的最佳或最小速度释放策略。16名男子篮球运动员(身高183±9厘米,年龄22.6±7岁)共投了75次三分球。在非参数核密度估计器(KDE)中使用球释放角和速度估计来确定个体特定的释放分布和最佳释放角。个体间最佳释放速度差异较大,比最小释放速度高4.3±2.1°。平均释放角比最小速度角高3.9°(p < 0.001),仅比最佳速度角低0.4°(p = 0.5)。参与者的概率密度函数(PDF)峰值向最优偏移0.24°(p = 0.044),进一步表明参与者寻求最优而不是最小速度释放。个体最佳释放角与其PDF协方差呈强相关(r = 0.78, p < 0.001),与主轴纵横比呈弱相关(r = - 0.40, p = 0.137)。这些发现表明,参与者之间的最佳释放是不同的,每个运动员将他们的释放策略与他们的PDF特征相匹配,而不是匹配一个预定的最佳释放角度,这可能会最大化运动员的表现。
Basketball shooting performance is maximized by individual-specific optimal release strategies
ABSTRACT This study investigated the relationship between optimal basketball release angles and individual release distributions and whether individuals seek their optimal or minimum velocity release strategy. Sixteen male basketball players (height 183 ± 9 cm, age 22.6 ± 7 years) were recorded shooting 75 three-point shots. Ball release angle and velocity estimates were used in a nonparametric kernel density estimator (KDE) to identify individual-specific release distributions and optimal release angles. Optimal releases varied among individuals and were 4.3 ± 2.1° higher than minimum velocity releases. Mean release angles were 3.9° higher than the minimum velocity angle (p < 0.001) and only 0.4° below the optimal (p = 0.5). Participants skewed their probability density function (PDF) peaks 0.24° towards the optimal (p = 0.044) further indicating participants seek optimal rather than minimum velocity releases. Individual-specific optimal release angles were strongly correlated with their PDF covariance (r = 0.78, p < 0.001) and weakly correlated to the principal axis aspect ratio (r = −0.40, p = 0.137). These findings illustrate that optimal releases varied among participants and performance may be maximised by each athlete matching their release strategy to their PDF characteristics rather than matching a predetermined optimal release angle.
期刊介绍:
The International Journal of Performance Analysis in Sport aims to present current original research into sports performance. In so doing, the journal contributes to our general knowledge of sports performance making findings available to a wide audience of academics and practitioners.