Different categories of VO2 kinetics in the 'extreme' exercise intensity domain

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dc.authoridBALCI, Gorkem Aybars/0000-0002-5720-1706
dc.authoridOzkaya, Ozgur/0000-0003-4222-5761
dc.contributor.authorOzkaya, Ozgur
dc.contributor.authorJones, Andrew M.
dc.contributor.authorBurnley, Mark
dc.contributor.authorAs, Hakan
dc.contributor.authorBalci, Gorkem A.
dc.date.accessioned2024-08-31T07:46:56Z
dc.date.available2024-08-31T07:46:56Z
dc.date.issued2023
dc.departmentEge Üniversitesien_US
dc.description.abstractThe aim of this study was to classify potential sub-zones within the extreme exercise domain. Eight well-trained male cyclists participated in this study. The upper boundary of the severe exercise domain (Pupper-bound) was estimated by constant-work-rate tests. Then three further extreme-work-rate tests were performed in discrete regions within the extreme domain: extreme-1) at a work-rate greater than the Pupper-bound providing an 80-110-s time to task failure; extreme-2) a 30-s maximal sprint; and extreme-3) a 4-s maximal sprint. Different functions were used to describe the behaviour of the (V) over dot O-2 kinetics over time. (V) over dot O-2 on-kinetics during extreme-1 exercise was best described by a single-exponential model (R-2 >= 0.97; SEE <= 0.10; p < 0.001), and recovery (V) over dot O-2 decreased immediately after the termination of exercise. In contrast, (V) over dot O-2 on-kinetics during extreme-2 exercise was best fitted by a linear function (R-2 >= 0.96; SEE <= 0.16; p < 0.001), and (V) over dot O-2 responses continued to increase during the first 10-20 s of recovery. During the extreme-3 exercise, (V) over dot O-2 could not be modelled due to inadequate data, and there was an M-shape recovery (V) over dot O-2 response with an exponential decay at the end. The (V) over dot O-2 response to exercise across the extreme exercise domain has distinct features and must therefore be characterised with different fitting strategies in order to describe the responses accurately.en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey [TUBITAK-1001, 222S130]en_US
dc.description.sponsorshipThis study was financially supported by the Scientific and Technological Research Council of Turkey [TUBITAK-1001 program; project code: 222S130].en_US
dc.identifier.doi10.1080/02640414.2024.2316504
dc.identifier.endpage2152en_US
dc.identifier.issn0264-0414
dc.identifier.issn1466-447X
dc.identifier.issue23en_US
dc.identifier.pmid38380593en_US
dc.identifier.scopus2-s2.0-85186394187en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage2144en_US
dc.identifier.urihttps://doi.org/10.1080/02640414.2024.2316504
dc.identifier.urihttps://hdl.handle.net/11454/104247
dc.identifier.volume41en_US
dc.identifier.wosWOS:001170708700001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherTaylor & Francis Ltden_US
dc.relation.ispartofJournal of Sports Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.snmz20240831_Uen_US
dc.subjectAll-Outen_US
dc.subjectMaximal Sprinten_US
dc.subjectOxygen Uptake Kineticsen_US
dc.subjectSupramaximal Exercise Zoneen_US
dc.titleDifferent categories of VO2 kinetics in the 'extreme' exercise intensity domainen_US
dc.typeArticleen_US

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