Purpose/aim of the study: An increase of hip abductor muscle strength contributes to the increase in gait speed. It is known that the rate of force development (RFD), an indicator of muscle strength, is increased by the combined use of low-intensity neuromuscular electrical stimulation (NMES) to the glutaeus medius (GM) and low-load resistance training (RT). However, it is unclear whether low-intensity neuromuscular electrical stimulation of the glutaeus medius during walking also increases the rate of force development. The aim of this study was to clarify whether NMES to the GM during gait modulates the RFD of the hip abductor muscles in healthy adults.Materials and methods: Twenty-two healthy adults randomly received both gait with sub-motor threshold NMES and gait with sham NMES conditions. The RFD was assessed at pre- and post-intervention. A two-way repeated measures analysis of variance was used to analyse the effects of time and intervention.Results: Gait with sub-motor threshold NMES condition significantly increased the RFD in shorter time interval (0-50 and 0-100 ms) compared to gait with sham NMES condition.Conclusions: These findings suggest that the adding low-intensity NMES of the GM to gait is effective in increasing the RFD of the hip abductor muscles.

中文翻译：

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在步态期间通过神经肌肉电刺激调节髋外展肌的力量发展速率。

研究目的/目的：髋外展肌力量的增加有助于步态速度的增加。众所周知，肌肉力量的一个指标是力量发展率（RFD），它通过对臀中肌（GM）的低强度神经肌肉电刺激（NMES）和低负荷阻力训练（RT）的组合使用来提高）。然而，目前尚不清楚步行期间对臀中肌的低强度神经肌肉电刺激是否也会增加力量发展的速度。本研究的目的是阐明在步态过程中 NMES 对 GM 是否会调节健康成人髋外展肌的 RFD。 材料和方法：22 名健康成人随机接受亚运动阈值 NMES 步态和假步态NMES 条件。在干预前和干预后评估 RFD。