神经肌肉电刺激增强武术运动员前交叉韧带重建后跳跃时下肢肌肉的协同作用：一项随机交叉试验。

IF 3.8 3区医学 Q2 ENGINEERING, BIOMEDICAL

Bioengineering Pub Date : 2025-05-16 DOI:10.3390/bioengineering12050535

Xiaoyan Wang, Haojie Li, Jiangang Chen

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引用次数: 0

摘要

目的：探讨神经肌肉电刺激（NMES）对武术家前交叉韧带（ACL）重建后单腿跳试验中下肢肌肉协同作用的影响。方法：招募24名前交叉韧带重建的武术家，在有NMES （ES）和没有NMES （CON）两种情况下进行单腿跳测试。ES条件包括使用Compex SP 8.0提供双相对称波刺激。记录跳跃性能指标和肌电图（EMG）信号。采用非负矩阵分解（NMF）提取下肢肌肉协同作用，分析肌肉协调模式。结果：与CON条件相比，ES条件显著缩短了跳跃时间(0.13±0.05∶0.18±0.09；F = 5.660；P = 0.022)，显著增加接触时间(0.53±0.12∶0.43±0.21；F = 4.013；P = 0.049)。肌肉协同分析揭示了两种条件下三种不同的协同模式。对于协同模式1，与CON条件相比，ES条件下股直肌和胫骨前肌的肌肉重量显著增加（p < 0.001）。对于协同模式2，与CON条件相比，ES条件下腓肠肌外侧肌重量显著增加（p < 0.001）。此外，协同模式2的激活时间在ES条件下显著减少（p = 0.001）。结论：神经肌肉电刺激增强了前交叉韧带重建后武术运动员的跳跃表现，改变了肌肉协同模式。研究结果表明，NMES可以在跳跃任务中促进更好的下肢肌肉协调，可能有助于术后康复和性能优化。

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Neuromuscular Electrical Stimulation Enhances Lower Limb Muscle Synergies During Jumping in Martial Artists Post-Anterior Cruciate Ligament Reconstruction: A Randomized Crossover Trial.

Objective: This study aimed to investigate the effects of neuromuscular electrical stimulation (NMES) on lower limb muscle synergies during the single-leg hop test in martial artists after anterior cruciate ligament (ACL) reconstruction.

Methods: Twenty-four martial artists who underwent ACL reconstruction were recruited and performed a single-leg hop test under two conditions: with NMES (ES) and without NMES (CON). The ES condition involved using Compex SP 8.0 to deliver biphasic symmetrical wave stimulation. Jump performance metrics and electromyographic (EMG) signals were recorded. Muscle synergies of the lower limbs were extracted using non-negative matrix factorization (NMF) to analyze patterns of muscle coordination.

Results: Compared with the CON condition, the ES condition significantly reduced the jump time (0.13 ± 0.05 vs. 0.18 ± 0.09; F = 5.660; p = 0.022) and significantly increased the contact time (0.53 ± 0.12 vs. 0.43 ± 0.21; F = 4.013; p = 0.049). Muscle synergy analysis revealed three distinct synergy patterns under both conditions. For synergy pattern 1, compared with the CON condition, the muscle weightings of the rectus femoris and tibialis anterior muscles were significantly increased under the ES condition (p < 0.001). For synergy pattern 2, compared with the CON condition, the muscle weighting of the lateral gastrocnemius muscle was significantly increased under the ES condition (p < 0.001). Additionally, the activation timing of synergy pattern 2 was significantly reduced under the ES condition (p = 0.001).

Conclusion: Neuromuscular electrical stimulation enhances jump performance and alters muscle synergy patterns in martial artists after ACL reconstruction. The findings suggest that NMES can promote better lower limb muscle coordination during jumping tasks, potentially aiding in postoperative rehabilitation and performance optimization.

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来源期刊

Bioengineering Chemical Engineering-Bioengineering

CiteScore

4.00

自引率

8.70%

发文量

661

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