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针对篮球教学中罚球技术,运用运动生物力学的原理及其分析方法与手段,考察了出手角度、出手速度以及球的飞行轨迹与投篮命中率的关系。通过对罚球过程中出手速度、出手角度、球的飞行轨迹进行采样分析,选取最适宜的飞行轨迹,并从出手速度、出手角度、飞行轨迹这三个方面加以定性和定量的描述,进而寻找其合理的技术指标范围。
Aiming at the free throw technique in basketball teaching, the author uses the principles of sports biomechanics and its analytical methods and methods to investigate the relationship between shot angle, shot speed and ball’s trajectory and shooting percentage. Through the sampling and analysis of shot speed, shot angle and flight trajectory during the free-throw shooting, the most suitable flight trajectory is selected and qualitatively and quantitatively described from three aspects: shot speed, shot angle and flight path, Reasonable range of technical indicators.