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A numerical model for fatigue effects in whole-body human exercise
Mid Sweden University, Faculty of Human Sciences, Department of Health Sciences. Royal Inst Technol, KTH Mech, SE-10044 Stockholm, Sweden. (NVC)
Mid Sweden University, Faculty of Human Sciences, Department of Health Sciences. (NVC)ORCID iD: 0000-0002-3814-6246
Mid Sweden University, Faculty of Human Sciences, Department of Health Sciences. Karolinska Inst, Dept Physiol & Pharmacol, S-17177 Stockholm, Sweden. (NVC)
2016 (English)In: Mathematical and Computer Modelling of Dynamical Systems, ISSN 1387-3954, E-ISSN 1744-5051, Vol. 22, no 1, 21-38 p.Article in journal (Refereed) Published
Resource type
Text
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
2016. Vol. 22, no 1, 21-38 p.
Keyword [en]
fatigue effects; numerical simulation; power production; anaerobic fatigue; interval training
National Category
Sport and Fitness Sciences
Identifiers
URN: urn:nbn:se:miun:diva-26870DOI: 10.1080/13873954.2015.1083592ISI: 000364765600002Scopus ID: 2-s2.0-84947485860OAI: oai:DiVA.org:miun-26870DiVA: diva2:894757
Available from: 2016-01-15 Created: 2016-01-15 Last updated: 2016-01-15Bibliographically approved

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Holmberg, Hans-Christer
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CiteExportLink to record
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Citation style
  • apa
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  • de-DE
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  • nn-NB
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Output format
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