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Background <p>Functional electrical stimulation (FES)-assisted cycling may reduce perceived effort by lowering the required motor command compared to voluntary cycling. While benefits on effort perception have been shown during walking in stroke and multiple sclerosis patients, its effectiveness during cycling in stroke rehabilitation remains unproven. Thus, this work aimed to test the effect of functional electrical stimulation-assisted cycling on stroke patients’ perception of effort (primary aim) in a randomized controlled study design. In an exploratory way, this work also aimed to examine the effect of FES-assisted cycling on cerebral blood flow and cognitive performance (exploratory aims) in a subsample.</p> Methods <p>Fifteen post-stroke patients completed functional electrical stimulation-assisted (Kurage, Lyon, France) and traditional cycling sessions separated by 72&#xa0;h. Perceived effort, cardio, and cerebrovascular parameters were monitored during exercise. Cognitive performance was assessed before and after each session. Qualitative data were reported after both sessions.</p> Results <p>Patients reported a lower perceived effort during functional electrical stimulation-assisted cycling than traditional cycling. Both sessions increased heart rate, end-tidal CO<sub>2</sub>, cardiac output, and cerebral artery blood flow velocity, with higher blood lactate levels after functional electrical stimulation-assisted cycling. Traditional and functional electrical stimulation-assisted cycling positively impacted cognitive performance, with more pronounced improvements observed in the FES condition.</p> Conclusion <p>Traditional and functional electrical stimulation-assisted cycling induced similar increased cardio and cerebrovascular responses. However, patients perceived functional electrical stimulation-assisted cycling as less effortful than traditional cycling. As effort is a barrier to regular exercise engagement and adherence, these results are promising for implementing functional electrical stimulation-assisted cycling in stroke patients’ rehabilitation.</p>

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Positive effects of functional electrical stimulation-assisted cycling on perception of effort, cerebral blood flow, and cognition in post-stroke patients

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年12月2日

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  • Maël Descollonges,
  • Julie Di Marco,
  • Ehsan Jafari,
  • Pierre-Henri Pouillart,
  • Julien V. Brugniaux,
  • Benjamin Pageaux,
  • Gaëlle Deley

摘要

Background

Functional electrical stimulation (FES)-assisted cycling may reduce perceived effort by lowering the required motor command compared to voluntary cycling. While benefits on effort perception have been shown during walking in stroke and multiple sclerosis patients, its effectiveness during cycling in stroke rehabilitation remains unproven. Thus, this work aimed to test the effect of functional electrical stimulation-assisted cycling on stroke patients’ perception of effort (primary aim) in a randomized controlled study design. In an exploratory way, this work also aimed to examine the effect of FES-assisted cycling on cerebral blood flow and cognitive performance (exploratory aims) in a subsample.

Methods

Fifteen post-stroke patients completed functional electrical stimulation-assisted (Kurage, Lyon, France) and traditional cycling sessions separated by 72 h. Perceived effort, cardio, and cerebrovascular parameters were monitored during exercise. Cognitive performance was assessed before and after each session. Qualitative data were reported after both sessions.

Results

Patients reported a lower perceived effort during functional electrical stimulation-assisted cycling than traditional cycling. Both sessions increased heart rate, end-tidal CO2, cardiac output, and cerebral artery blood flow velocity, with higher blood lactate levels after functional electrical stimulation-assisted cycling. Traditional and functional electrical stimulation-assisted cycling positively impacted cognitive performance, with more pronounced improvements observed in the FES condition.

Conclusion

Traditional and functional electrical stimulation-assisted cycling induced similar increased cardio and cerebrovascular responses. However, patients perceived functional electrical stimulation-assisted cycling as less effortful than traditional cycling. As effort is a barrier to regular exercise engagement and adherence, these results are promising for implementing functional electrical stimulation-assisted cycling in stroke patients’ rehabilitation.