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Cited by 282Cardiovascular and exercise physiologyExercise and Physiological ResponsesSports Performance and Training

Effects of exercise intensity and duration on the excess post-exercise oxygen consumption

Laforgia, J., Withers, R. T., Gore, C. J.·2006·Journal of Sports Sciences
DOI 10.1080/02640410600552064
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Abstract

Recovery from a bout of exercise is associated with an elevation in metabolism referred to as the excess post-exercise oxygen consumption (EPOC). A number of investigators in the first half of the last century reported prolonged EPOC durations and that the EPOC was a major component of the thermic effect of activity. It was therefore thought that the EPOC was a major contributor to total daily energy expenditure and hence the maintenance of body mass. Investigations conducted over the last two or three decades have improved the experimental protocols used in the pioneering studies and therefore have more accurately characterized the EPOC. Evidence has accumulated to suggest an exponential relationship between exercise intensity and the magnitude of the EPOC for specific exercise durations. Furthermore, work at exercise intensities >or=50-60% VO2max stimulate a linear increase in EPOC as exercise duration increases. The existence of these relationships with resistance exercise at this stage remains unclear because of the limited number of studies and problems with quantification of work intensity for this type of exercise. Although the more recent studies do not support the extended EPOC durations reported by some of the pioneering investigators, it is now apparent that a prolonged EPOC (3-24 h) may result from an appropriate exercise stimulus (submaximal: >or=50 min at >or=70% VO2max; supramaximal: >or=6 min at >or=105% VO2max). However, even those studies incorporating exercise stimuli resulting in prolonged EPOC durations have identified that the EPOC comprises only 6-15% of the net total oxygen cost of the exercise. But this figure may need to be increased when studies utilizing intermittent work bouts are designed to allow the determination of rest interval EPOCs, which should logically contribute to the EPOC determined following the cessation of the last work bout. Notwithstanding the aforementioned, the earlier research optimism regarding an important role for the EPOC in weight loss is generally unfounded. This is further reinforced by acknowledging that the exercise stimuli required to promote a prolonged EPOC are unlikely to be tolerated by non-athletic individuals. The role of exercise in the maintenance of body mass is therefore predominantly mediated via the cumulative effect of the energy expenditure during the actual exercise.

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  • The greater increase in EPOC after more intense exercise involves a perturbation of energy homeostasis.

    “Many authors [9,13,37] explain the basis of the greater increase in EPOC after more intense exercise as involving a perturbation of energy homeostasis.”

    From High-Intensity Interval Resistance Training (HIRT) influences resting energy expenditure and respiratory ratio in non-dieting individuals (2012) · cites this paper as [13]

  • Several different types of resistance training protocols are confounded under the umbrella name 'resistance exercise', making it difficult to quantify how the particular type of weights, sets, repetitions, and length of rest periods influences the energy cost of exercise.

    “the main point is that several different types of RT training protocols are confounded under the umbrella name of “resistance exercise” (e.g. circuit training or multiple sets), so it is difficult to quantify how the particular type of weights, sets, repetitions, and length of rest periods utilised [11,12], influence the energy cost of the exercise [13].”

    From High-Intensity Interval Resistance Training (HIRT) influences resting energy expenditure and respiratory ratio in non-dieting individuals (2012) · cites this paper as [13]

  • The main limitation of this study is that the subjects were mediumly trained, which could raise concerns about the transfer of the methodology and results to sedentary/overweight subjects.

    “The main limitations of this study is that our subjects were mediumly trained and (as Laforgia notes “The utility of supramaximal interval training for weight loss is nevertheless limited because this type of training is beyond the capabilities of non-athletes”[13] could raise some concerns about the transfer of the methodology and results to sedentary/overweight subjects.”

    From High-Intensity Interval Resistance Training (HIRT) influences resting energy expenditure and respiratory ratio in non-dieting individuals (2012) · cites this paper as [13]

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Authors
Laforgia, J., Withers, R. T., & Gore, C. J.
Affiliations
  • University of South Australia (AU)
  • Flinders University (AU)
Corresponding author
Laforgia, J.
Venue
Journal of Sports Sciences
Publisher
Informa UK Limited
Published
2006-12
Volume
24
Issue
12
Pages
1247-1264
ISSN
  • 0264-0414 (ISSN-L)
  • 1466-447X
DOI
10.1080/02640410600552064
OpenAlex
W2106345581
Cited by
282
References
91
Citations by year
2026: 17 · 2025: 15 · 2024: 30 · 2023: 15 · 2022: 16 · 2021: 17 · 2020: 11 · 2019: 14 · 2018: 7 · 2017: 15 · 2016: 23 · 2015: 14 · 2014: 12 · 2013: 25 · 2012: 17
FWCI
8.44
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Sports Sciences (publishedVersion)
  • PubMed (publishedVersion)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
Topics
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
Keywords
excess post-exercise oxygen consumption, exercise intensity, exercise duration, energy expenditure, body mass maintenance, weight loss, resistance training, intermittent exercise, VO2max
MeSH terms
Adaptation, Physiological, Basal Metabolism, Eating, Energy Metabolism, Physical Exertion, Humans, Oxygen Consumption, Exercise

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