使用应力放松数据测量静态拉伸过程中肌肉粘性弹性的变化
Yo Kobayashi1, Daiki Matsuyama1
1Graduate School of Engineering Science, The University of Osaka, Osaka, Japan.
概括
在静态拉伸过程中,肌肉粘性弹性突然变化,在两个不同的状态之间过渡. 本研究使用一种新的弹模型和连续时间序列数据分析来量化这些变化.
科学领域:
- 生物力学 生物力学
- 生理学 生理学 生理学
- 材料科学 材料科学 材料科学
背景情况:
- 肌肉粘弹性对于运动和伤害预防至关重要.
- 了解拉伸过程中的动态变化是优化灵活性协议的关键.
研究的目的:
- 用连续时间序列数据研究静态拉伸期间肌肉粘性弹性的变化.
- 使用基于微积分计算的弹模型来建模肌肉粘性弹性.
- 分析运动负荷对伸展过程中肌肉粘性弹性的影响.
主要方法:
- 在伸展过程中向肌肉施加连续力,并测量反应力 (压力-放松数据).
- 使用弹模型与微积分计算来分析粘弹性质.
- 在双对数图表上使用细分回归来识别粘性弹性的变化.
- 在短期跑步运动负载之前和之后测量肌肉粘性弹性.
主要成果:
- 压力放松数据在双对数图表上呈现出明显的两段模式,表明肌肉粘性弹性的急剧变化.
- 弹模型准确地适应了数据 (R2 = 0.99,NRSME = 0.0018),揭示了两个不同的粘弹性状态.
- 连续的数据分析允许调查拉伸效应的时间进程.
- 在短期的运动负载后,肌肉粘弹性发生了变化.
结论:
- 肌肉粘弹性在拉伸过程中不是静态的,而是经历了显著的,突然的过渡.
- 基于分数计算的弹模型为特征肌肉粘性弹性提供了一个强大的框架.
- 这些发现提供了关于肌肉适应在伸展和运动期间的动态性质的见解.
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