Cited by 424Cardiovascular and exercise physiologyPhysical Activity and HealthSports Performance and Training

Effect of 2 weeks of sprint interval training on health-related outcomes in sedentary overweight/obese men

Whyte, Laura J., Gill, Jason M.R., Cathcart, Andrew J.·2010·Metabolism

Abstract

The aim of this study was to investigate the effects of very high intensity sprint interval training (SIT) on metabolic and vascular risk factors in overweight/obese sedentary men. Ten men (age, 32.1 ± 8.7 years; body mass index, 31.0 ± 3.7 kg m(-2)) participated. After baseline metabolic, anthropometric, and fitness measurements, participants completed a 2-week SIT intervention, comprising 6 sessions of 4 to 6 repeats of 30-second Wingate anaerobic sprints on an electromagnetically braked cycle ergometer, with 4.5-minute recovery between each repetition. Metabolic, anthropometric, and fitness assessments were repeated post-intervention. Both maximal oxygen uptake (2.98 ± 0.15 vs 3.23 ± 0.14 L min(-1), P = .013) and mean Wingate power (579 ± 24 vs 600 ± 19 W, P = .040) significantly increased after 2 weeks of SIT. Insulin sensitivity index (5.35 ± 0.72 vs 4.34 ± 0.72, P = .027) and resting fat oxidation rate in the fasted state (0.13 ± 0.01 vs 0.11 ± 0.01 g min(-1), P = .019) were significantly higher and systolic blood pressure (121 ± 3 vs 127 ± 3 mm Hg, P = .020) and resting carbohydrate oxidation in the fasted state (0.03 ± 0.01 vs 0.08 ± 0.02 g min(-1), P = .037) were significantly lower 24 hours post-intervention compared with baseline, but these changes were no longer significant 72 hours post-intervention. Significant decreases in waist (98.9 ± 3.1 vs 101.3 ± 2.7 cm, P = .004) and hip (109.8 ± 2.2 vs 110.9 ± 2.2 cm, P = .017) circumferences compared with baseline were also observed after the intervention. Thus, 2 weeks of SIT substantially improved a number of metabolic and vascular risk factors in overweight/obese sedentary men, highlighting the potential for this to provide an alternative exercise model for the improvement of vascular and metabolic health in this population.

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Crossref · 10.1016/j.metabol.2010.01.002

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Authors
Whyte, L. J., Gill, J. M. R., & Cathcart, A. J.
Affiliations
University of Glasgow (GB)
Corresponding author
Gill, Jason M.R.
Venue
Metabolism
Publisher
Elsevier BV
Published
2010-10
Volume
59
Issue
10
Pages
1421-1428
ISSN
0026-0495 (ISSN-L)
OpenAlex
W1980780765
Cited by
424
References
60
Citations by year
2026: 5 · 2025: 14 · 2024: 10 · 2023: 18 · 2022: 22 · 2021: 18 · 2020: 26 · 2019: 35 · 2018: 44 · 2017: 42 · 2016: 34 · 2015: 37 · 2014: 40 · 2013: 40 · 2012: 24
FWCI
67.59
Type
journal article
Language
en
Open access
closed
Locations
  • Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam) (submittedVersion)
Topics
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
  • Health Sciences › Medicine › Physiology › Physical Activity and Health
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
Keywords
sprint interval training, overweight, obesity, sedentary men, metabolic risk factors, vascular risk factors, insulin sensitivity, fat oxidation, carbohydrate oxidation, VO2max, systolic blood pressure, waist circumference, short-term exercise intervention, fat-free mass, fat mass, cardiorespiratory fitness, fat-free mass index, body composition
MeSH terms
Adolescent, Adult, Blood Glucose, Blood Pressure, Energy Metabolism, Exercise Therapy, Health Status, Humans, Insulin, Male, Obesity, Running, Time Factors, Treatment Outcome, Overweight, Athletic Performance, Young Adult, Sedentary Behavior

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