Cited by 99Cardiovascular and exercise physiologySports Performance and TrainingExercise and Physiological Responses

Two Minutes of Sprint-Interval Exercise Elicits 24-hr Oxygen Consumption Similar to That of 30 min of Continuous Endurance Exercise

Hazell, Tom J., Olver, T. Dylan, Hamilton, Craig D., Lemon, Peter W. R.·2012·International Journal of Sport Nutrition and Exercise Metabolism

Abstract

Six weeks (3 times/wk) of sprint-interval training (SIT) or continuous endurance training (CET) promote body-fat losses despite a substantially lower training volume with SIT. In an attempt to explain these findings, the authors quantified VO 2 during and after (24 h) sprint-interval exercise (SIE; 2 min exercise) vs. continuous endurance exercise (CEE; 30 min exercise). VO 2 was measured in male students (n = 8) 8 times over 24 hr under 3 treatments (SIE, CEE, and control [CTRL, no exercise]). Diet was controlled. VO 2 was 150% greater (p < .01) during CEE vs. SIE (87.6 ± 13.1 vs. 35.1 ± 4.4 L O 2; M ± SD). The observed small difference between average exercise heart rates with CEE (157 ± 10 beats/min) and SIE (149 ± 6 beats/min) approached significance (p = .06), as did the difference in peak heart rates during CEE (166 ± 10 beats/min) and SIE (173 ± 6 beats/min; p = .14). Total O 2 consumed over 8 hr with CEE (263.3 ± 30.2 L) was greater (p < .01) than both SIE (224.2 ± 15.3 L; p < .001) and CTRL (163.5 ± 16.1 L; p < .001). Total O 2 with SIE was also increased over CTRL (p < .001). At 24 hr, both exercise treatments were increased (p < .001) vs. CTRL (CEE = 500.2 ± 49.2; SIE = 498.0 ± 29.4; CTRL = 400.2 ± 44.6), but there was no difference between CEE and SIE (p = .99). Despite large differences in exercise VO 2, the protracted effects of SIE result in a similar total VO 2 over 24 hr vs. CEE, indicating that the significant body-fat losses observed previously with SIT are partially due to increases in metabolism postexercise.

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Crossref · 10.1123/ijsnem.22.4.276

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Authors
Hazell, T. J., Olver, T. D., Hamilton, C. D., & Lemon, P. W. R.
Affiliations
University of Lethbridge (CA)
Venue
International Journal of Sport Nutrition and Exercise Metabolism
Published
2012-08
Volume
22
Issue
4
Pages
276-283
ISSN
  • 1526-484X (ISSN-L)
  • 1543-2742
OpenAlex
W2105802283
Cited by
98
References
0
Citations by year
2026: 3 · 2025: 3 · 2024: 9 · 2023: 8 · 2022: 2 · 2021: 3 · 2020: 3 · 2019: 13 · 2018: 6 · 2017: 10 · 2016: 9 · 2015: 7 · 2014: 10 · 2013: 12
FWCI
22.62
Type
journal article
Language
en
Open access
closed
Locations
  • International Journal of Sport Nutrition and Exercise Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
Keywords
oxygen consumption, energy expenditure, fat loss, heart rate response to exercise, training volume, fat oxidation, energy balance, male students
MeSH terms
Adult, Carbon Dioxide, Exercise Test, Heart Rate, Humans, Male, Oxygen Consumption, Physical Endurance, Running, Time Factors, Exercise, Young Adult, Respiratory Rate

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