在健康的男性和女性之间,下肢关节硬度在跳期间的差异
Youngmin Chun1, Craig P McGowan2, Jeffrey G Seegmiller3
1Department of Kinesiology, Sonoma State University, Rohnert Park, CA, USA.
Journal of biomechanics
|June 10, 2023
概括
男性在垂直跳跃中表现出更大的关节硬和跳跃高度. 然而,关节硬度显著预测了女性的跳跃高度,这表明两性之间有不同的表现策略.
科学领域:
- 生物力学 生物力学
- 人类运动科学科学 人类运动科学
- 运动医学 运动医学
背景情况:
- 了解生物力学中的性别差异对于优化运动表现和预防伤害至关重要.
- 下肢关节硬度在跳跃和降落的动态中起着关键作用.
- 之前的研究还没有完全阐明垂直跳跃期间特定于性别的关节硬策略.
研究的目的:
- 为了研究部,膝盖和脚关节硬度在垂直跳跃表演期间的性别差异.
- 为了确定性别是否影响关节硬和跳跃高度之间的关系.
- 为了探索不同性别的适应性,以应对不同的跳箱高度.
主要方法:
- 30个健康,活跃的个体 (男性和女性) 从30厘米和60厘米的箱子中进行了垂直跳跃.
- 在着陆阶段使用二次多项式回归模型计算了部,膝盖和脚关节的硬度.
- 测量了地面反应力和跳跃冲动,以评估跳跃性能.
主要成果:
- 与女性相比,男性表现出更大的部硬,地面反应力,净跳跃冲动和跳跃高度.
- 60厘米的箱子高度增加了膝盖负荷硬度,但减少了部负荷和膝盖/脚吸收硬度.
- 关节硬度显著预测了女性的跳跃高度 (r2 = 0.579) 但不是男性 (r2 = -0.053).
结论:
- 与雄性相比,雌性可能会采用不同的生物力学策略来最大限度地提高垂直跳跃的高度.
- 关节度的性别差异及其与跳跃表现的关系在落地跳跃中很明显.
- 跳箱的高度会影响下肢关节的硬性,性别不同.
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