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Cited by 247Sports Performance and TrainingCardiovascular and exercise physiologyMuscle activation and electromyography studies

Fatigue in repeated-sprint exercise is related to muscle power factors and reduced neuromuscular activity

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Mendez-Villanueva, Alberto, Hamer, Peter, Bishop, David·2008·European Journal of Applied Physiology
DOI 10.1007/s00421-008-0723-9
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Abstract

The purpose of this study was (1) to determine the relationship between each individual's anaerobic power reserve (APR) [i.e., the difference between the maximum anaerobic (Pana) and aerobic power (Paer)] and fatigability during repeated-sprint exercise and (2) to examine the acute effects of repeated sprints on neuromuscular activity, as evidenced by changes in the surface electromyogram (EMG) signals. Eight healthy males carried out tests to determine Pana (defined as the highest power output attained during a 6-s cycling sprint), Paer (defined as the highest power output achieved during a progressive, discontinuous cycling test to failure) and a repeated cycling sprint test (10 x 6-s max sprints with 30 s rest). Peak power output (PPO) and mean power output (MPO) were calculated for each maximal 6-s cycling bout. Root mean square (RMS) was utilized to quantify EMG activity from the vastus lateralis (VL) muscle of the right leg. Over the ten sprints, PPO and MPO decreased by 24.6 and 28.3% from the maximal value (i.e., sprint 1), respectively. Fatigue index during repeated sprints was significantly correlated with APR (R = 0.87; P < 0.05). RMS values decreased over the ten sprints by 14.6% (+/-6.3%). There was a strong linear relationship (R2 = 0.97; P < 0.05) between the changes in MPO and EMG RMS from the vastus lateralis muscle during the ten sprints. The individual advantage in fatigue-resistance when performing a repeated sprint task was related with a lower anaerobic power reserve. Additionally, a suboptimal net motor unit activity might also impair the ability to repeatedly generate maximum power outputs.

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  • As the number of sprints increases without sufficient recovery, performance decline becomes inevitable, particularly in athletes with high initial power levels.

    “As the number of sprints increases without sufficient recovery, performance decline becomes inevitable, particularly in athletes with high initial power levels16,17.”

    From Evaluating bioenergetic pathway contributions from single to multiple sprints (2024) · cites this paper as [17]

  • Muscle fatigue during repeated sprint activities (RSA) is a multifactorial process involving complex interactions between metabolic, neuromuscular, and biochemical mechanisms.

    “Muscle fatigue during repeated sprint activities (RSA) is a multifactorial process involving complex interactions between metabolic, neuromuscular, and biochemical mechanisms16,17.”

    From Evaluating bioenergetic pathway contributions from single to multiple sprints (2024) · cites this paper as [17]

  • High-intensity repeated efforts reduce motor unit recruitment and firing frequency, which in turn limits force production.

    “High-intensity repeated efforts reduce motor unit recruitment and firing frequency, which in turn limits force production16,17.”

    From Evaluating bioenergetic pathway contributions from single to multiple sprints (2024) · cites this paper as [17]

  • Extracellular potassium levels, which rise during intense exercise, can further disrupt muscle excitation and contraction processes, contributing to muscle fatigue.

    “Additionally, extracellular potassium levels, which rise during intense exercise, can further disrupt muscle excitation and contraction processes, contributing to muscle fatigue17,39.”

    From Evaluating bioenergetic pathway contributions from single to multiple sprints (2024) · cites this paper as [17]

  • Glycogen serves as an essential energy source for both anaerobic and aerobic pathways, and its depletion-or the reduced ability to utilize available glycogen-limits ATP resynthesis, leading to decreased endurance and performance.

    “Glycogen serves as an essential energy source for both anaerobic and aerobic pathways, and its depletion—or the reduced ability to utilize available glycogen—limits ATP resynthesis, leading to decreased endurance and performance17,20,37.”

    From Evaluating bioenergetic pathway contributions from single to multiple sprints (2024) · cites this paper as [17]

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Authors
Mendez-Villanueva, A., Hamer, P., & Bishop, D.
Affiliations
  • The University of Western Australia (AU)
  • University of Verona (IT)
ORCID
Venue
European Journal of Applied Physiology
Publisher
Springer Science and Business Media LLC
Published
2008-03-27
Volume
103
Issue
4
Pages
411-419
ISSN
  • 0020-9376 (ISSN-L)
  • 1439-6319
  • 1439-6327
DOI
10.1007/s00421-008-0723-9
OpenAlex
W2018538312
Cited by
247
References
48
Citations by year
2026: 8 · 2025: 8 · 2024: 8 · 2023: 15 · 2022: 12 · 2021: 11 · 2020: 16 · 2019: 16 · 2018: 13 · 2017: 15 · 2016: 13 · 2015: 20 · 2014: 19 · 2013: 25 · 2012: 17
FWCI
9.52
Type
journal article
Language
en
Open access
Licence
www.springer.com/tdm (tdm)
Locations
  • European Journal of Applied Physiology (publishedVersion)
  • PubMed (publishedVersion)
  • UWA Profiles and Research Repository (UWA) (submittedVersion)
  • Victoria University Research Repository (Victoria University) (submittedVersion)
  • ResearchOnline@ND (The University of Notre Dame) (submittedVersion)
Topics
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
  • Physical Sciences › Engineering › Biomedical Engineering › Muscle activation and electromyography studies
Keywords
repeated sprint exercise, fatigue, muscle power, neuromuscular activity, surface electromyography, vastus lateralis, fatigue index, cycling sprints, motor unit activity, fatigue resistance
MeSH terms
Adult, Electromyography, Exercise Test, Humans, Male, Muscle Contraction, Anaerobic Threshold, Exercise, Exercise Tolerance, Muscle Fatigue, Quadriceps Muscle

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