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Multiple Models Can Concurrently Explain Fatigue During Human Performance.

C Matthew Laurent1, J Matt Green2

  • 1Department of Kinesiology, St. Ambrose University, Davenport, IA, USA.

International Journal of Exercise Science
|May 17, 2016
PubMed
Summary
This summary is machine-generated.

Human fatigue mechanisms remain debated. This study explores central, peripheral, and central governor models, suggesting an integrative approach may better explain exercise-induced fatigue.

Keywords:
Central nervous systemfeedbackfeedforwardpowerregulation

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Area of Science:

  • Human performance and exercise physiology.
  • Neuroscience and biomechanics of fatigue.

Background:

  • Fatigue is extensively studied, yet its precise mechanisms are debated among scientists.
  • Current models include central, peripheral, and the emerging central governor model (CGM).

Purpose of the Study:

  • To review definitions and models of fatigue.
  • To demonstrate how data can be interpreted through multiple fatigue models.
  • To advocate for an integrative model of fatigue.

Main Methods:

  • Literature review of fatigue paradigms.
  • Analysis of existing data through different theoretical lenses.
  • Comparative interpretation of central, peripheral, and central governor models.

Main Results:

  • The interpretation of fatigue data may depend on pre-existing theoretical frameworks.
  • Some experimental results are explainable by multiple fatigue models concurrently.
  • The central governor model offers an integrative perspective.

Conclusions:

  • An integrative model combining central and peripheral fatigue may be more plausible than mutually exclusive paradigms.
  • Revisiting the definition of fatigue is crucial for advancing research.
  • Future research should explore synergistic roles of different fatigue mechanisms.