Biomechanical analysis on long throw-in technique in soccer

足球长界外球技术的生物力学分析

• 批准号: 22800070
• 负责人: SHINKAI Hironari
• 金额: $ 1.74万
• 依托单位: Yamagata University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Research Activity Start-up
• 财政年份: 2010
• 资助国家: 日本
• 起止时间: 2010 至 2011
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-22800070/
• 关键词: サッカー; スローイン; 動作分析; ロングスローイン; 助走速度; 体幹傾斜角度; 肩関節水平屈曲; ボール速度; ボール投射角度; ボールリリースポイント; 前足接地位置

The main purpose of this study was to reveal the characteristics of long throw-in motion in soccer. The throw-in motions of university soccer players were analyzed three-dimensionally using high-speed cameras. As a result, large trunk rotation performed at effective time and more anterior position of the ball release point were observed in the motion of long distance thrower. These characteristics have the effect on increase in the force acting on the ball leading to long throwing distance. Moreover, since these motions are relatively easy to judge visually, it was considered that these points can be effectual assessment index for throw-in coaching.

本研究的主要目的是揭示足球中长界外球运动的特点。使用高速摄像机对大学足球运动员的界外球动作进行三维分析。结果发现，长距离投掷运动员的动作在有效时间发生较大的躯干旋转，且出球点位置更靠前。这些特性会增加作用在球上的力，从而实现长投掷距离。而且，由于这些动作相对容易通过肉眼判断，因此认为这些点可以作为掷界外球教练的有效评估指标。