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Exercise Dose Equalization in High-Intensity Interval Training: A Scoping Review

Author

Listed:
  • Tom Normand-Gravier

    (Université Paris Cité, 75015 Paris, France
    URP 7329-IRMES (Institute for Research in Medicine and Epidemiology of Sport), INSEP, 75012 Paris, France)

  • Florian Britto

    (Université Paris Cité, 75015 Paris, France
    Institute Cochin, U1016 INSERM, 75014 Paris, France)

  • Thierry Launay

    (Université Paris Cité, 75015 Paris, France
    Institute Cochin, U1016 INSERM, 75014 Paris, France)

  • Andrew Renfree

    (School of Sport & Exercise Science, University of Worcester, Worcester WR2 6AJ, UK)

  • Jean-François Toussaint

    (Université Paris Cité, 75015 Paris, France
    URP 7329-IRMES (Institute for Research in Medicine and Epidemiology of Sport), INSEP, 75012 Paris, France
    CIMS, Hôtel-Dieu, Assistance Publique–Hôpitaux de Paris, 75004 Paris, France)

  • François-Denis Desgorces

    (Université Paris Cité, 75015 Paris, France
    URP 7329-IRMES (Institute for Research in Medicine and Epidemiology of Sport), INSEP, 75012 Paris, France)

Abstract

Based on comparisons to moderate continuous exercise (MICT), high-intensity interval training (HIIT) is becoming a worldwide trend in physical exercise. This raises methodological questions related to equalization of exercise dose when comparing protocols. The present scoping review aims to identify in the literature the evidence for protocol equalization and the soundness of methods used for it. PubMed and Scopus databases were searched for original investigations comparing the effects of HIIT to MICT. A total of 2041 articles were identified, and 169 were included. Of these, 98 articles equalized protocols by utilizing energy-based methods or exercise volume (58 and 31 articles, respectively). No clear consensus for protocol equalization appears to have evolved over recent years. Prominent equalization methods consider the exercise dose (i.e., energy expenditure/production or total volume) in absolute values without considering the nonlinear nature of its relationship with duration. Exercises resulting from these methods induced maximal exertion in HIIT but low exertion in MICT. A key question is, therefore, whether exercise doses are best considered in absolute terms or relative to individual exercise maximums. If protocol equalization is accepted as an essential methodological prerequisite, it is hypothesized that comparison of program effects would be more accurate if exercise was quantified relative to intensity-related maximums.

Suggested Citation

  • Tom Normand-Gravier & Florian Britto & Thierry Launay & Andrew Renfree & Jean-François Toussaint & François-Denis Desgorces, 2022. "Exercise Dose Equalization in High-Intensity Interval Training: A Scoping Review," IJERPH, MDPI, vol. 19(9), pages 1-10, April.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:9:p:4980-:d:797550
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    References listed on IDEAS

    as
    1. François-Denis Desgorces & Jean-Christophe Hourcade & Romain Dubois & Jean-François Toussaint & Philippe Noirez, 2020. "Training load quantification of high intensity exercises: Discrepancies between original and alternative methods," PLOS ONE, Public Library of Science, vol. 15(8), pages 1-13, August.
    2. Muhammed Mustafa Atakan & Yanchun Li & Şükran Nazan Koşar & Hüseyin Hüsrev Turnagöl & Xu Yan, 2021. "Evidence-Based Effects of High-Intensity Interval Training on Exercise Capacity and Health: A Review with Historical Perspective," IJERPH, MDPI, vol. 18(13), pages 1-27, July.
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    Cited by:

    1. Catarina N. Matias & Stefania Toselli & Cristina P. Monteiro & Francesco Campa, 2022. "Editorial: New Training Strategies and Evaluation Methods for Improving Health and Physical Performance," IJERPH, MDPI, vol. 19(10), pages 1-4, May.

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