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腿筋肌肉的运动点热图,以促进神经肌肉电刺激

J Flodin^1,2, P Amiri^3,4, R Juthberg^3,4

¹Integrative Orthopedic Laboratory, Section of Orthopedics and Sports Medicine, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden. Johanna.flodin@ki.se.

Annals of biomedical engineering

|November 28, 2024

概括

这项研究将腿筋肌肉中的运动点 (MP) 绘制为有效的神经肌肉电刺激 (NMES). 这些发现揭示了最佳的电极放置区域,并突出了个性化NMES应用的个体变异.

科学领域:

生物医学工程生物医学工程
运动学运动学
康复科学康复科学康复科学

背景情况:

神经肌肉电刺激 (NMES) 的有效性高度依赖于电极在运动点 (MP) 上的精确放置.
最佳的NMES应用需要详细了解MP分布在特定肌肉群内,如腿筋 (H).
在MP位置和数量的显著个体间变异性需要个性化的方法.

研究的目的:

在腿筋肌肉中映射运动点 (MP) 的分布.
创建一个概率热图来识别腿筋肌肉中的MP.
调查国会议员数量和位置的个体间差异.

主要方法:

超声波成像被用于确定个体腿筋肌肉解剖学 (双腿骨,半,半膜).
发动机点 (MP) 通过使用专门的搜索笔来定位.
腿部被分为70个区域进行概率计算,生成热图;回归分析探索与参与者特征的相关性.

主要成果:

最有可能出现MP的区域被确定为双腿肌 (BF) 和半肌 (ST) 肌肉,概率为39%.
在这些最佳地区,与其他地区的85%相比,拥有国会议员的可能性要高得多 (p < 0.05).
双腿肌 (BF) 的MP数量明显高于半膜体 (SM) 和半体 (ST) (p < 0.001);男性的性别和身体活动与比BF更多的MP相关.

结论:

腿筋肌肉的运动点 (MP) 热图可以指导更有效的NMES电极放置.
该研究确定了在腿筋内为MPs的特定高概率区域.
证实了MP数量和位置的显著个体间差异,强调需要量身定制的NMES协议.

关键词:

电刺激是一种电气刺激.腿筋肌肉腿筋肌肉腿筋肌肉电机点电机点电机点发动机单位发动机单位肌肉刺激肌肉刺激

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