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Biomechanical analysis of the penalty-corner drag-flick of elite male and female hockey players.

机译:精英男女曲棍球运动员罚角转角甩动的生物力学分析。

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The aim of this study was to analyse the kinematic sequencing in the penalty-corner drag-flicks of elite male and female field hockey players of international calibre. Thirteen participants (one skilled male drag-flicker and six male and six female elite players) participated in the study. An optoelectronic motion analysis system was used to capture the drag-flicks with six cameras, sampling at 250 Hz. Select ground reaction force parameters were obtained from a force platform which registered the last support of the front foot. Twenty trials were captured from each subject. Both player groups showed significantly (p < 0.05) smaller ball velocity at release, peak angular velocity of the pelvis, and negative and positive peak angular velocities of the stick than the skilled subject. Normalised ground reaction forces of the gender groups were also smaller than that of the skilled drag-flicker. By comparing these players we established that the cues of the skill level are a wide stance, a whipping action (rapid back lift) of the stick followed by an explosive sequential movement of the pelvis, upper trunk and stick.
机译:这项研究的目的是分析国际水平的精英男女曲棍球运动员的罚角转角动作中的运动学序列。十三名参与者(一名熟练的男子性格挥舞者,六名男性和六名女性精英运动员)参加了这项研究。光电运动分析系统用于捕获六台摄像机的拖曳镜头,采样频率为250 Hz。选择的地面反作用力参数是从记录前脚最后支撑力的力量平台获得的。从每个受试者中捕获了20个试验。与熟练的受试者相比,两个运动员组均显示出(p <0.05)释放时的球速度,骨盆的峰值角速度以及杆的负峰值和正峰值速度明显较小(p <0.05)。性别群体的归一化地面反作用力也比熟练的甩甩者小。通过比较这些球员,我们确定了技巧水平的线索是宽阔的立场,是对棍棒的鞭打动作(快速向后抬起),然后是骨盆,上躯干和棍棒的爆发性连续运动。

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