meta_analysis
    2025
    High Quality

    Effects of Exercise Training on Mitochondrial and Capillary Growth in Human Skeletal Muscle: A Systematic Review and Meta-Regression

    et al

    Published in Sports Med

    Key Findings

    Exercise training reliably increases skeletal muscle capillary-to-fibre ratio and mitochondrial content, scaling with training volume and intensity.

    Conclusions

    Training volume is the dominant driver of human capillary growth.

    Limitations

    Heterogeneous biopsy methods; mostly small trials.

    Outcomes Measured

    Capillary Density
    Primary

    Exercise training reliably increases skeletal muscle capillary-to-fibre ratio and mitochondrial content, scaling with training volume and intensity.

    Study Details

    Year:2025
    Quality Score:8/10

    Access Study

    View on DOIView on PubMedOriginal Source

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