在脚足部曲过程中增加肌微振强度的轨迹:使用隐性曲线模型进行纵向数据分析
Tatsuhiko Matsumoto1,2, Yutaka Kano1
1Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, Japan.
PloS one
|July 10, 2025
概括
机械图 (MTG) 通过肌振动量化肌肉活动,提供连续测量潜力. 我们的研究模拟了MTG.
科学领域:
- 生物力学和生理学
- 生物医学工程 生物医学工程
- 肌肉骨研究 研究
背景情况:
- 电肌图 (EMG) 和机械肌图 (MMG) 在日常,长期的肌肉活动量化方面面临着挑战.
- 机械图 (MTG) 测量细振动,为肌肉活动评估提供了一个新的替代方案.
- MTG与肌肉力量之间的关系,以及潜在的生成机制,仍然不清楚.
研究的目的:
- 通过统计学建模增加肌肉力量和MTG之间的详细关系.
- 根据建模和现有知识,假设MTG生成的生理机制.
- 为了研究MTG对肌肉炼反应的性别差异.
主要方法:
- 实验涉及62名参与者,测量了来自阿基里斯肌的MTG,跨越了各种肌肉强度水平.
- 使用潜伏曲线模型 (LCM) 的纵向数据分析被用来描述MTG轨迹.
- 统计建模探讨了最佳的LCM匹配,包括二次和零碎线性模型.
主要成果:
- 一个二进制的LCM最好地描述了女性的MTG增加.
- 一个零碎的线性LCM,其断点在50%的肌肉力量最适合男性.
- 在较低肌肉强度水平的MTG增加率中发现了显著的性别差异.
结论:
- MTG很可能是由肌肉纤维收缩的细微振动产生的,通过肌传播.
- 观察到的性别差异表明不同的神经肌肉反应影响MTG.
- 需要进一步研究更多的数据点和生理实验来证实MTG生成假设.
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