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A numerical model for fatigue effects in whole-body human exercise
KTH, School of Engineering Sciences (SCI), Mechanics, Structural Mechanics. Mid Sweden University, Sweden.ORCID iD: 0000-0002-5819-4544
2015 (English)In: Mathematical and Computer Modelling of Dynamical Systems, ISSN 1387-3954, E-ISSN 1744-5051Article in journal (Refereed) Published
Abstract [en]

A physiology-based fatigue model was developed and tested, with the long-term objective to study optimal pacing strategies in cross-country skiing. The model considers both aerobic and anaerobic power contributions, with different demands for carbohydrate fuel. The fatigue model accumulates traces from anaerobic efforts, and dissipates fatigue exponentially. The current fatigue value affects the effective work rate output. A limited reservoir of fuel is considered. This paper discusses the numerical formulations. Examples show the relevance of the model for basic regimes of power output, and give qualitatively relevant results, but demonstrate the need for individual physiological parameters. Further examples study the model’s predictions with respect to interval training strategies, with conclusions on work rates and interval lengths.

Place, publisher, year, edition, pages
Taylor and Francis Ltd. , 2015.
Keyword [en]
anaerobic fatigue, fatigue effects, interval training, numerical simulation, power production, Computer simulation, Fatigue testing, Numerical models, Physiology, Anaerobic power, Fatigue model, Interval trainings, Numerical formulation, Physiological parameters, Power out put, Physiological models
National Category
Sport and Fitness Sciences
URN: urn:nbn:se:kth:diva-177219DOI: 10.1080/13873954.2015.1083592ScopusID: 2-s2.0-84947485860OAI: diva2:874010

QC 20151125

Available from: 2015-11-25 Created: 2015-11-17 Last updated: 2015-11-25Bibliographically approved

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