Modeling Oxygen Dynamics under Variable Work Rate

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ARTIGA GONZALEZ, Alexander, Raphael BERTSCHINGER, Fabian BROSDA, Thorsten DAHMEN, Patrick THUMM, Dietmar SAUPE, 2015. Modeling Oxygen Dynamics under Variable Work Rate. icSPORTS 2015 : 3rd International Congress on Sport Sciences Research and Technology Support. Lissabon, 15. Nov 2015 - 17. Nov 2015. In: CABRI, Jan, ed. and others. Proceedings of the 3rd International Congress on Sport Sciences Research and Technology Support. icSPORTS 2015 : 3rd International Congress on Sport Sciences Research and Technology Support. Lissabon, 15. Nov 2015 - 17. Nov 2015. SCITEPRESS Digital Library, pp. 198-207. ISBN 978-989-758-159-5

@inproceedings{Artiga Gonzalez2015Model-33072, title={Modeling Oxygen Dynamics under Variable Work Rate}, year={2015}, doi={10.5220/0005607701980207}, isbn={978-989-758-159-5}, publisher={SCITEPRESS Digital Library}, booktitle={Proceedings of the 3rd International Congress on Sport Sciences Research and Technology Support}, pages={198--207}, editor={Cabri, Jan}, author={Artiga Gonzalez, Alexander and Bertschinger, Raphael and Brosda, Fabian and Dahmen, Thorsten and Thumm, Patrick and Saupe, Dietmar} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/33072"> <dc:creator>Artiga Gonzalez, Alexander</dc:creator> <bibo:uri rdf:resource="https://kops.uni-konstanz.de/handle/123456789/33072"/> <dc:contributor>Thumm, Patrick</dc:contributor> <dc:creator>Bertschinger, Raphael</dc:creator> <dcterms:rights rdf:resource="http://nbn-resolving.de/urn:nbn:de:bsz:352-20150914100631302-4485392-8"/> <dc:creator>Dahmen, Thorsten</dc:creator> <dcterms:title>Modeling Oxygen Dynamics under Variable Work Rate</dcterms:title> <dc:creator>Thumm, Patrick</dc:creator> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2016-02-22T12:20:52Z</dc:date> <dc:creator>Saupe, Dietmar</dc:creator> <dc:creator>Brosda, Fabian</dc:creator> <dc:contributor>Brosda, Fabian</dc:contributor> <dcterms:issued>2015</dcterms:issued> <dc:contributor>Bertschinger, Raphael</dc:contributor> <dc:contributor>Dahmen, Thorsten</dc:contributor> <dc:contributor>Saupe, Dietmar</dc:contributor> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2016-02-22T12:20:52Z</dcterms:available> <dcterms:abstract xml:lang="eng">Measurements of oxygen uptake and blood lactate content are central to methods for assessment of physical fitness and endurance capabilities in athletes. Two important parameters extracted from such data of incremental exercise tests are the maximal oxygen uptake and the critical power. A commonly accepted model of the dynamics of oxygen uptake during exercise at constant work rate comprises a constant baseline oxygen uptake, an exponential fast component, and another exponential slow component for heavy and severe work rates. We generalized this model to variable load protocols by differential equations that naturally correspond to the standard model for constant work rate. This provides the means for prediction of oxygen uptake response to variable load profiles including phases of recovery. The model parameters were fitted for individual subjects from a cycle ergometer test. The model predictions were validated by data collected in separate tests. Our findings indicate that oxygen kinetics for variable exercise load can be predicted using the generalized mathematical standard model, however, with an overestimation of the slow component. Such models allow for applications in the field where the constant work rate assumption generally is not valid.</dcterms:abstract> <dc:contributor>Artiga Gonzalez, Alexander</dc:contributor> <dc:language>eng</dc:language> </rdf:Description> </rdf:RDF>

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