步行过程中的功能性阻力训练:生物力学和神经效应是否因目标关节而异?

IF 3.4 Q2 ENGINEERING, BIOMEDICAL
Edward P. Washabaugh;Chandramouli Krishnan
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引用次数: 0

摘要

在步行过程中进行功能阻力训练(FRT)的设备通常配置为膝关节或髋关节和膝关节阻力。除了膝关节外,在髋关节上增加阻力应该会改变训练效果;但是,这些配置还没有进行过直接比较。我们研究了膝关节或髋关节和膝关节条件下行走时 FRT 的差异。14 名非残疾人在跑步机上行走时接受了 FRT 训练,该装置的配置是为膝关节或髋关节和膝关节提供粘性阻力。在这些配置之间,我们比较了步态动力学、肌肉激活、运动学后效、外周疲劳和皮质脊髓兴奋性。在髋部增加阻力可增加摆动阶段的髋关节屈曲力矩和同心力量。然而,这并没有导致两种配置之间在肌肉激活、后效、外周疲劳或皮质神经兴奋性方面的显著差异。相反,两种配置在这些变量上产生了相似的变化。这些结果表明,除了动力学之外,髋关节和膝关节阻力行走与急性环境下的膝关节阻力行走并无不同。然而,还需要进一步的研究来确定髋关节阻力的长期训练是否会产生不同于单纯膝关节阻力的效果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Functional Resistance Training During Walking: Do Biomechanical and Neural Effects Differ Based on Targeted Joints?
Devices for functional resistance training (FRT) during walking are often configured to resist the knee or both the hip and knee joints. Adding resistance to the hip in addition to the knee should alter the effects of training; however, these configurations have not been directly compared. We examined how FRT during walking differs during the knee or hip and knee conditions. Fourteen non-disabled individuals received FRT during treadmill walking with a device configured to provide a viscous resistance to the knee or the hip and knee during separate visits. Between these configurations, we compared gait kinetics, muscle activation, kinematic aftereffects, peripheral fatigue, and corticospinal excitability. Adding resistance to the hip increased hip flexion moment and concentric power during the swing phase. However, this did not result in significant differences in muscle activation, aftereffects, peripheral fatigue, or corticospinal excitability between the configurations. Instead, both configurations produced similar changes in these variables. These results indicate that, aside from kinetics, walking with resistance at the hip and knee was not different from resisting the knee in the acute setting. However, further research is needed to determine if long-term training with resistance at the hip induces differential effects than resisting the knee alone.
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CiteScore
6.80
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