从重复垂直跳跃测试的计算模型中平均功率输出值的差异:单组准实验方法
Vlad Adrian Geantă1,2, Pierre Joseph de Hillerin1,3, Alexandra Reta Iacobini1,4
1Doctoral School of Sport Science and Physical Education, Pitesti University Center, National University of Science and Technology Politehnica Bucharest, 110040 Pitesti, Romania.
Journal of functional morphology and kinesiology
|October 24, 2025
概括
从垂直跳跃测试中计算平均功率输出的不同公式产生显著不同的结果. 与Bosco和Miron Georgescu (MG) 模型相比,修改后的Miron Georgescu-15s (MGM-15) 模型为运动员表现分析提供了更一致和潜在的准确措施.
科学领域:
- 运动科学 运动科学 运动科学
- 运动生理学 运动生理学
- 生物力学 生物力学
背景情况:
- 重复的垂直跳跃测试对于评估运动员的神经肌肉功能和下肢表现至关重要.
- 计算平均输出功率的不一致公式导致了显著的差异,阻碍了跨研究的可比性和实际应用.
- 由于简化的假设,Bosco和Miron Georgescu (MG) 等现有模型可能会高估功率.
研究的目的:
- 为了比较三个平均功率输出计算模型的计算行为和实际相关性:博斯科,米龙乔治斯库 (MG) 和修改的米龙乔治斯库-15s (MGM-15).
- 通过使用相同的重复垂直跳跃测试数据,评估不同模型如何影响运动员表现分析.
- 强调需要在计算模型中进行标准化,以进行一致的运动员评估.
主要方法:
- 一项准实验性研究涉及25名身体活跃的男性大学生进行了15秒的重复垂直跳跃测试.
- 使用OptoJump Next系统收集数据,记录飞行时间,接触时间和跳跃高度.
- 在同一数据集上使用Bosco,MG和MGM-15模型计算平均输出功率 (W/kg),然后进行重复测量ANOVA进行比较.
主要成果:
- 在这三种模型中,平均输出功率的显著差异 (p < 0.001) 被观察到,效果大小非常大 (η2p = 0.952).
- 博斯科车型的平均功率最高 (40.13 ± 8.56 W/kg),其次是 MG (21.07 ± 5.92 W/kg).
- MGM-15模型产生了最低和最一致的输出 (4.08 ± 0.61 W/kg),可能更准确地反映了重复跳跃的需求.
结论:
- 平均功率输出计算在不同的公式之间差异很大,即使具有相同的性能数据.
- 博斯科和MG模型可能会高估输出功率,而MGM-15方法提供较低,更一致的结果,适合重复跳跃评估.
- 标准化计算模型对于确保研究中的可比性和提高运动员表现分析的准确性至关重要.
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