Upper limb biomechanical differences in volleyball spikes among young female players

IF 1.5 4区 教育学 Q3 HOSPITALITY, LEISURE, SPORT & TOURISM
Lukáš Slovák, Javad Sarvestan, Fatemeh Alaei, Takehiro Iwatsuki, David Zahradník
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Abstract

The performance assessment of relevant biomechanical factors is essential for appropriate age-related training progression in volleyball spike (VS). This study aimed to investigate the differences in upper limbs’ (a) range of motion (ROM), (b) angular velocities, and (c) muscular activity during VS among under 16- (U-16), under 18- (U-18), and under 20- (U-20) year-old female volleyball players. The kinematic variables of the spike performances were recorded using six optoelectronic cameras (Vicon Motion system, UK). Additionally, the wireless Trigno system (Delsys, USA) was used to record the electromyographic signals. The one-way ANOVA (1d SPM analysis) exhibited a significantly greater wrist internal rotation ( p < .001), wrist adduction velocity (p < .001), and palmaris longus activity ( p < .001) in the acceleration phase in U-20, compared to the U-16 group. Additionally, the U-20 and the U-18 players portrayed a significantly greater shoulder external rotation ( p < .001) and internal angular velocity ( p = .035) relative to the U-16 group. A significantly greater pectoralis major (p < .001), biceps brachii ( p < .001), and anterior deltoid ( p < .001) activity was observed in the U-20 group, compared to younger groups. This study suggests that older players employ more upper limb muscular activities during spike with the presence of blocks, which enables them to hit the ball with greater velocities and direct the ball in their desired direction through increased wrist ROMs.
年轻女排球运动员上肢扣球的生物力学差异
排球扣球训练中相关生物力学因素的性能评估是排球扣球训练中与年龄相关的适当进展的必要条件。本研究旨在探讨16岁以下(U-16)、18岁以下(U-18)和20岁以下(U-20)女排球运动员在VS时上肢(a)活动范围(ROM)、(b)角速度和(c)肌肉活动的差异。使用6台光电摄像机(英国Vicon Motion系统)记录了扣球性能的运动学变量。此外,使用无线Trigno系统(Delsys, USA)记录肌电信号。单因素方差分析(1d SPM分析)显示腕部内旋明显增大(p <.001),腕内收速度(p <.001),手掌长肌活动(p <.001)在U-20加速阶段,与U-16组相比。此外,U-20和U-18球员的肩部外旋明显更大(p <.001)和内部角速度(p = .035)相对于U-16组。胸大肌明显增大(p <.001),肱二头肌(p <.001),前三角肌(p <与年轻组相比,U-20组中观察到的活性。这项研究表明,年龄较大的球员在扣球时使用更多的上肢肌肉活动,这使他们能够以更快的速度击球,并通过增加手腕的ROMs将球导向他们想要的方向。
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来源期刊
CiteScore
3.50
自引率
15.80%
发文量
208
期刊介绍: The International Journal of Sports Science & Coaching is a peer-reviewed, international, academic/professional journal, which aims to bridge the gap between coaching and sports science. The journal will integrate theory and practice in sports science, promote critical reflection of coaching practice, and evaluate commonly accepted beliefs about coaching effectiveness and performance enhancement. Open learning systems will be promoted in which: (a) sports science is made accessible to coaches, translating knowledge into working practice; and (b) the challenges faced by coaches are communicated to sports scientists. The vision of the journal is to support the development of a community in which: (i) sports scientists and coaches respect and learn from each other as they assist athletes to acquire skills by training safely and effectively, thereby enhancing their performance, maximizing their enjoyment of the sporting experience and facilitating character development; and (ii) scientific research is embraced in the quest to uncover, understand and develop the processes involved in sports coaching and elite performance.
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