Article Dans Une Revue Journal of Sport Rehabilitation Année : 2025

Comparing Nerve Versus Muscle Wide-Pulse High-Frequency Electrical Stimulation for Maximal and Submaximal Efforts

Résumé

Purpose : The effectiveness of neuromuscular electrical stimulation hinges on the evoked torque level, which can be attained through either conventional (CONV) or wide-pulse high frequency (WPHF). However, the best electrode placement is still unclear. This study adopted a crossover design to compare the effects of WPHF applied to the tibial nerve trunk (N-WPHF) or muscle (M-WPHF) with CONV in healthy participants. Methods : A total of 30 participants (age: 22.4 [4.5]) were involved in 4 sessions. During each session, participants performed: 2 maximal voluntary contractions, 2 contractions at maximal evoked torque, and 2 contractions at submaximal evoked torque at 20% maximal voluntary contraction. Neuromuscular electrical stimulation intensity-evoked torque, efficiency, and discomfort were measured in maximal and submaximal conditions. Statistical analyses were conducted using a 1-way mixed-model analysis of variance with repeated measures. Results : N-WPHF and M-WPHF showed higher evoked torque than CONV ( P = .002 and P = .036) and greater efficiency than CONV for maximal evoked torque ( P = .006 and P = .002). N-WPHF induced higher efficiency than M-WPHF and CONV for submaximal evoked torque ( P = .004). Higher discomfort was observed for both N-WPHF and M-WPHF for submaximal evoked torque compared with CONV ( P = .003 and P < .001). Conclusion : Our results suggest that WPHF applied at either the nerve or muscle could be the best choice for the maximal condition, whereas nerve application is preferred for the submaximal condition.

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Dates et versions

hal-05049417 , version 1 (28-04-2025)

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Álvaro de Almeida Ventura, Denis César Leite Vieira, Luis André de Oliveira Soares, Júlia Aguillar Ivo Bastos, Nicolas Babault, et al.. Comparing Nerve Versus Muscle Wide-Pulse High-Frequency Electrical Stimulation for Maximal and Submaximal Efforts. Journal of Sport Rehabilitation, 2025, pp.1-8. ⟨10.1123/jsr.2024-0216⟩. ⟨hal-05049417⟩
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