跳跃过程中的特定升的生物力学验证
Catherine Haber1, Andrea Schärli
1Dep. of Movement and Exercise Science, Institute of Sport Science, University of Bern, Bremgartenstrasse 145, 3012 Bern CH, Switzerland. catherine.haber@students.unibe.ch.
Medical problems of performing artists
|August 31, 2025
概括
这项研究发现,在舞蹈练习中增加运动困难和单脚支显著增加了机械负荷和冲击. 这种支持对培训和康复有很小的影响.
科学领域:
- 舞蹈运动的生物力学
- 运动科学与康复
背景情况:
- 芭蕾舞的变化是通过改变方向和大小等因素从单一的动作发展起来的.
- 舞蹈特有的分级康复计划 (DSGRP) 通过运动类型 (relevés,爆炸性 relevés [EXrelevé],sautés),腿部支 (双腿,单腿) 和棒支 (两只手,一只手,没有手) 进行.
- 这些DSGRP因素缺乏全面的生物力学分析.
研究的目的:
- 研究运动,腿部支和杆支如何影响跳跃过程中的机械负荷和冲击特征.
- 量化这些因素对运动变量的增量贡献.
主要方法:
- 十八名健康的舞者以半随机的顺序执行了DSGRP阶段.
- 最大垂直地面反应力 (vGRF) 量化机械负载;力减弱率 (RFA) 和力发展率 (RFD) 量化冲击特征.
- 线性混合模型分析了每个因素对vGRF,RFA和RFD的意义.
主要成果:
- 机械负荷和冲击特性随着更复杂的运动和单脚支而增加.
- 杆支对垂直动力学影响微不足道.
- 在舞蹈特定的背景下,第一次量化了动态变量的增量.
结论:
- 爆炸性相关的 (EXrelevés) 支持作为相关和sautés之间的中间进展.
- 杆支对垂直运动没有影响,因此需要进一步研究其在横平面稳定中的作用.
- 推的加载顺序是:双腿relevé,双腿EXrelevé,单腿relevé,单腿EXrelevé,双腿sauté和单腿sauté.
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