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首页> 外文期刊>Biology of sport / >Lower-body power, linear speed, and change-of-direction speed in Division I collegiate women’s volleyball players
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Lower-body power, linear speed, and change-of-direction speed in Division I collegiate women’s volleyball players

机译:较低的力量,线性速度和司进人的妇女排球运动员中的方向速度

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摘要

Volleyball players need to sprint and change direction during a match. Lower-body power, often measured by jump tests, could contribute to faster movements. How different jumps relate to linear and change-of-direction (COD) speed has not been analyzed in Division I (DI) collegiate women’s volleyball players. Fifteen female volleyball players completed the vertical jump (VJ), two-step approach jump (AppJ), and standing broad jump (SBJ). Peak power and power-to-body mass ratio (P:BM) were derived from VJ and AppJ height; relative SBJ was derived from SBJ distance. Linear speed was measured via a 20-m sprint (0–10 and 0–20 m intervals); COD speed was measured using the pro-agility shuttle. Pearson’s correlations ( p 0.05) calculated relationships between the power variables, and speed tests. There were no significant relationships between the power variables and the 0–10 m sprint interval. Greater VJ height ( r = -0.534) and P:BM ( r = -0.557) related to a faster 0–20 m sprint interval. This be due to a greater emphasis on the stretch-shortening cycle to generate speed over 20 m. However, although a 20-m sprint may provide a measure of general athleticism, the distance may not be specific to volleyball. This was also indicated as the AppJ did not relate to any of the speed tests. Nonetheless, VJ height and P:BM, and SBJ distance and relative SBJ, all negatively correlated with the proagility shuttle ( r = -0.548 to -0.729). DI women’s collegiate volleyball players could develop absolute and relative power in the vertical and horizontal planes to enhance COD speed.
机译:排球运动员需要在比赛期间冲刺和改变方向。通过跳跃测试通常测量的低体力可能有助于更快的运动。在I(DI)大学女排妇女排球运动员尚未分析不同的跳跃与线性和方向(COD)速度不同的跳跃。十五名女排播放器完成了垂直跳跃(VJ),两步接近跳转(APPJ),站立宽跳(SBJ)。峰值功率和电力至体质量比(P:BM)来自VJ和APPJ高度;相对SBJ来自SBJ距离。通过20M冲刺(0-10和0-20米间隔)测量线速度;使用Pro-Activity Shuttle测量COD速度。 Pearson的相关性(P <0.05)计算功率变量与速度测试之间的关系。功率变量与0-10米的Sprint间隔之间没有显着的关系。更大的VJ高度(r = -0.534)和p:bm(r = -0.557)与更快的0-20 m Sprint间隔相关。这是由于更加强调拉伸缩短循环,以产生超过20米的速度。然而,虽然20米的冲刺可以提供一般运动学的量度,但是距离可能不具体到排球。这也表明,APPJ与任何速度测试无关。尽管如此,VJ高度和P:BM和SBJ距离和相对SBJ,都与搭接梭子(R = -0.548至-0.729)负相关。 DI女大学排球运动员可以在垂直和水平飞机上发展绝对和相对的功率,以提高COD速度。

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