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Purpose <p>To compare strength and muscle mass development between conventional resistance training (RT) and a combined resistance training with neuromuscular electrical stimulation group (RT + NMES).</p> Methods <p>Searches of EBSCO, GoogleScholar, PubMed, and ResearchGate were conducted for studies that met the inclusion criteria of being a randomized controlled trial comparing RT in isolation with NMES and RT being done simultaneously. Effect sizes were calculated as the standard mean difference (SMD) and meta-analyses were computed using random effects models. Thirteen studies were included in the analyses.</p> Results <p>When comparing strength gain, there was a favorable effect towards superimposed training (SMD: 0.31; 95% CI 0.13–0.49; <i>p</i> = 0.02; <i>I</i><sup>2</sup> = 73.05%) with similar results seen for muscle mass (SMD: 0.26; 95% CI 0.04–0.49; <i>p</i> = 0.02; <i>I</i><sup>2</sup> = 21.45%).</p> Conclusion <p>Use of NMES during RT results in greater gains in strength and muscle mass compared to RT performed in isolation. Incorporation of NMES into RT protocols may represent a more effective strategy to improve muscle strength and muscle mass. Future studies should explore whether use of NMES concurrently with RT may have additive effects on metabolic and/or cardiovascular health.</p> Graphical Abstract <p></p>

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The additive effect of neuromuscular electrical stimulation and resistance training on muscle mass and strength

  • 期刊论文

  • 发表日期：

    2025年1月2日

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  • Gabriel Narvaez,
  • Jehu Apaflo,
  • Amy Wagler,
  • Andrew McAinch,
  • Sudip Bajpeyi

摘要

Purpose

To compare strength and muscle mass development between conventional resistance training (RT) and a combined resistance training with neuromuscular electrical stimulation group (RT + NMES).

Methods

Searches of EBSCO, GoogleScholar, PubMed, and ResearchGate were conducted for studies that met the inclusion criteria of being a randomized controlled trial comparing RT in isolation with NMES and RT being done simultaneously. Effect sizes were calculated as the standard mean difference (SMD) and meta-analyses were computed using random effects models. Thirteen studies were included in the analyses.

Results

When comparing strength gain, there was a favorable effect towards superimposed training (SMD: 0.31; 95% CI 0.13–0.49; p = 0.02; I2 = 73.05%) with similar results seen for muscle mass (SMD: 0.26; 95% CI 0.04–0.49; p = 0.02; I2 = 21.45%).

Conclusion

Use of NMES during RT results in greater gains in strength and muscle mass compared to RT performed in isolation. Incorporation of NMES into RT protocols may represent a more effective strategy to improve muscle strength and muscle mass. Future studies should explore whether use of NMES concurrently with RT may have additive effects on metabolic and/or cardiovascular health.

Graphical Abstract