Research Output

Exercise training comprising of single 20-s cycle sprints does not provide a sufficient stimulus for improving maximal aerobic capacity in sedentary individuals

  Purpose: Sprint interval training (SIT) provides a potent stimulus for improving maximal aerobic capacity ([Formula: see text]), which is among the strongest markers for future cardiovascular health and premature mortality. Cycling-based SIT protocols involving six or more 'all-out' 30-s Wingate sprints per training session improve [Formula: see text], but we have recently demonstrated that similar improvements in [Formula: see text] can be achieved with as few as two 20-s sprints. This suggests that the volume of sprint exercise has limited influence on subsequent training adaptations. Therefore, the aim of the present study was to examine whether a single 20-s cycle sprint per training session can provide a sufficient stimulus for improving [Formula: see text]. Methods: Thirty sedentary or recreationally active participants (10 men/20 women; mean ± SD age: 24 ± 6 years, BMI: 22.6 ± 4.0 kg m(-2), [Formula: see text]: 33 ± 7 mL kg(-1) min(-1)) were randomised to a training group or a no-intervention control group. Training involved three exercise sessions per week for 4 weeks, consisting of a single 20-s Wingate sprint (no warm-up or cool-down). [Formula: see text] was determined prior to training and 3 days following the final training session. Results: Mean [Formula: see text] did not significantly change in the training group (2.15 ± 0.62 vs. 2.22 ± 0.64 L min(-1)) or the control group (2.07 ± 0.69 vs. 2.08 ± 0.68 L min(-1); effect of time: P = 0.17; group × time interaction effect: P = 0.26). Conclusion: Although we have previously demonstrated that regularly performing two repeated 20-s 'all-out' cycle sprints provides a sufficient training stimulus for a robust increase in [Formula: see text], our present study suggests that this is not the case when training sessions are limited to a single sprint.

  • Type:

    Article

  • Date:

    06 June 2016

  • Publication Status:

    Published

  • Publisher

    Springer Nature

  • DOI:

    10.1007/s00421-016-3409-8

  • Cross Ref:

    3409

  • ISSN:

    1439-6319

  • Library of Congress:

    RC1200 Sports Medicine

  • Dewey Decimal Classification:

    613 Personal health & safety

  • Funders:

    Ulster University

Citation

Songsorn, P., Lambeth-Mansell, A., Mair, J. L., Haggett, M., Fitzpatrick, B. L., Ruffino, J., …Vollaard, N. B. J. (2016). Exercise training comprising of single 20-s cycle sprints does not provide a sufficient stimulus for improving maximal aerobic capacity in sedentary individuals. European Journal of Applied Physiology, 116(8), 1511-1517. https://doi.org/10.1007/s00421-016-3409-8

Authors

Keywords

VO2max, High-intensity interval training, SIT, Wingate sprint, Sprint interval

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