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预期和未预期的排球跳板之间的生物力学差异:对下肢受伤风险的影响

Hongxin Zhao¹, Xiangyu Liu¹, Linfei Dan²

¹Department of Physical Education, Zhejiang Institute of Water Resources and Hydropower, Hangzhou 310000, China.

Life (Basel, Switzerland)

|November 27, 2024

概括

精英排球运动员在跳块时表现出明显的下肢生物力学. 非主导的侧面显示出更大的膝盖曲和部力量,而意外的运动增加了由于改变关节力学而导致的受伤风险.

科学领域:

体育生物力学运动生物力学
伤害预防预防伤害
竞技表现分析运动表现分析

背景情况:

排球涉及高冲击,重复的运动,如跳跃和方向变化,导致频繁的肩膀,膝盖和脚伤害.
有限的研究存在于排球行为独特的特定生物机械风险因素,如阻塞和刺针.

研究的目的:

为了调查在跳块时精英男排球员的下肢生物力学.
为了比较主导与非主导的跳转方向,以及预期与未预期的条件.

主要方法:

从15名男排精英球员的脚,膝盖和部关节收集了动力学和动力学数据.
分析的重点是跳块时的关节角度,速度,时刻和功率.

主要成果:

在所有下肢关节中,在主导和非主导的跳跃方向之间发现了显著的差异.
非主导的方向显示出更多的脚背部屈曲,膝盖屈曲和部屈曲力.
意想不到的动作增加了垂直地面反应力和部延伸时刻,同时降低了脚和膝盖的屈曲力.

结论:

主导方向的跳跃更为硬,可能会增加受伤风险,而非主导方向的跳跃具有更好的冲击吸收能力,但膝盖的时刻更高.
意想不到的动作对运动员来说会带来更高的受伤风险,因为运动员无法快速适应运动模式.
教练应该考虑肢体协调和方向,实施单方面练习以预防伤害.

关键词:

生物力学生物力学方向方向方向方向方向下肢受伤的伤害下肢受伤的伤害团队运动是团队运动.没有预料到的任务.

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