精英十针保龄球中的全身动力学和垂直地面反应力:一项现场研究
Bo Eitel Seiferheld1, Jeppe Frost2, Thorstein Brynildsen Østergaard2
1Biomechanics, Department of Materials and Production, Aalborg University, Fibigerstræde 16, 9220 Aalborg East, Denmark.
Sensors (Basel, Switzerland)
|October 14, 2023
概括
精英bowlers显示,随着疲劳,球释放速度下降. 手腕和肘部的动力变化补偿了减少的引力,影响了性能. 这凸显了在培训中需要节能战略的必要性.
科学领域:
- 生物力学 生物力学
- 运动科学 运动科学 运动科学
- 人类运动分析 人类运动分析
背景情况:
- 精英十针球的表现依赖于一致的动态序列.
- 疲劳可以改变生物力学策略,并影响球释放速度.
研究的目的:
- 为了研究十针球交付期间全身动力学和下肢地面反应力的变化.
- 为了确定这些生物力学参数如何在多次分娩中因疲劳而改变.
主要方法:
- 六名精英男手进行了六组的十二个球交付.
- 测量了全身动力学,垂直地面反应力,关节角度,质量中心速度和球释放速度 (BRvel).
主要成果:
- 球释放速度 (BRvel) 在连续的发射中显著下降 (p < 0.001).
- 在球释放 (BR) 之前增加主导手腕和肘部曲,并在BR期间增加手腕伸展,在以后的发作中观察到.
- 这些动力学调整与降低的BR水平相关.
结论:
- 主导手腕和肘部的运动变化可能是由于疲劳而改变球道引力的补偿机制.
- 这些适应导致球释放速度减少,影响整体性能.
- 节能视角提供了培训干预措施的见解,以提高精英保龄球员的表现.
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