Cited by 326Sports Performance and TrainingCardiovascular and exercise physiologyExercise and Physiological Responses

Metabolic Response and Fatigue in Soccer

Bangsbo, Jens, Iaia, Fedon Marcello, Krustrup, Peter·2007·International Journal of Sports Physiology and Performance

Abstract

The physical demands in soccer have been studied intensively, and the aim of the present review is to provide an overview of metabolic changes during a game and their relation to the development of fatigue. Heart-rate and body-temperature measurements suggest that for elite soccer players the average oxygen uptake during a match is around 70% of maximum oxygen uptake (VO 2 max). A top-class player has 150 to 250 brief intense actions during a game, indicating that the rates of creatine-phosphate (CP) utilization and glycolysis are frequently high during a game, which is supported by findings of reduced muscle CP levels and several-fold increases in blood and muscle lactate concentrations. Likewise, muscle pH is lowered and muscle inosine monophosphate (IMP) elevated during a soccer game. Fatigue appears to occur temporarily during a game, but it is not likely to be caused by elevated muscle lactate, lowered muscle pH, or change in muscle-energy status. It is unclear what causes the transient reduced ability of players to perform maximally. Muscle glycogen is reduced by 40% to 90% during a game and is probably the most important substrate for energy production, and fatigue toward the end of a game might be related to depletion of glycogen in some muscle fibers. Blood glucose and catecholamines are elevated and insulin lowered during a game. The blood free-fatty-acid levels increase progressively during a game, probably reflecting an increasing fat oxidation compensating for the lowering of muscle glycogen. Thus, elite soccer players have high aerobic requirements throughout a game and extensive anaerobic demands during periods of a match leading to major metabolic changes, which might contribute to the observed development of fatigue during and toward the end of a game.

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Crossref · 10.1123/ijspp.2.2.111

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Authors
Bangsbo, J., Iaia, F. M., & Krustrup, P.
Affiliations
University of Copenhagen (DK)
Venue
International Journal of Sports Physiology and Performance
Published
2007-06
Volume
2
Issue
2
Pages
111-127
ISSN
  • 1555-0265 (ISSN-L)
  • 1555-0273
OpenAlex
W2110482271
Cited by
326
References
51
Citations by year
2026: 10 · 2025: 19 · 2024: 17 · 2023: 14 · 2022: 29 · 2021: 27 · 2020: 26 · 2019: 14 · 2018: 24 · 2017: 29 · 2016: 13 · 2015: 15 · 2014: 26 · 2013: 17 · 2012: 13
FWCI
1.03
Type
journal article
Language
en
Open access
closed
Locations
  • International Journal of Sports Physiology and Performance (publishedVersion)
  • PubMed (publishedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
Topics
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
Keywords
soccer, exercise fatigue, exercise metabolism, oxygen consumption, phosphocreatine, glycolysis, muscle lactate, muscle pH, inosine monophosphate, muscle glycogen depletion, fat oxidation, free fatty acids, catecholamines, insulin, blood glucose, heart rate, body temperature, elite soccer players
MeSH terms
Adaptation, Physiological, Ammonia, Fatigue, Fatty Acids, Nonesterified, Glycogen, Glycolysis, Heart Rate, Humans, Oxygen Consumption, Phosphocreatine, Risk Factors, Soccer, Exercise Tolerance, Muscle, Skeletal, Lactic Acid

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