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Exercise Training Comprising of Single 20‑s Cycle Sprints Does Not Provide a Sufficient Stimulus for Improving Maximal Aerobic Capacity in Sedentary Individuals

Songsorn, P., Lambeth-Mansell, Annie, Mair, J.L., Haggett, M., Fitzpatrick, B.L., Ruffino, J., Holliday, Adrian, Metcalfe, R.S. and 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). pp. 1511-1517. ISSN Print: 1439-6319 ESSN: 1439-6327

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Songsorn, P. et al., 2016. Exercise training comprising of single 20-s cycle sprints does not provide a sufficient stimulus for improving maximal aerobic capacity in sedentary individuals. E.pdf - Published Version
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Abstract

Purpose Sprint interval training (SIT) provides a potent stimulus for improving maximal aerobic capacity (V˙ O2max ), 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 V˙ O2max , but we have recently demonstrated that similar improvements in V˙ O2max 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 V˙ O2max. 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, V˙ O2max: 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). V˙ O2max was determined prior to training and 3 days following the final training session.Results Mean V˙ O2max 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 V˙ O2max, our present study suggests that this is not the case when training sessions are limited to a single sprint.

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Uncontrolled Keywords: sprint interval training (SIT), cardiovascular health, sedentary or recreationally active participants, VO2max, High-intensity interval training, Wingate sprint, Sprint interval
Subjects: H Social Sciences > H Social Sciences (General)
Divisions: Academic Departments > Institute of Science and the Environment
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Copyright Info: Open Access article
Depositing User: Annie Lambeth-Mansell
Date Deposited: 22 Nov 2016 08:55
Last Modified: 06 Nov 2018 13:58
URI: https://eprints.worc.ac.uk/id/eprint/5090

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