Reported Hydration Beliefs and Behaviors without Effect on Plasma Sodium in Endurance Athletes

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dc.contributor.authorChlíbková, Danielacs
dc.contributor.authorRosemann, Thomascs
dc.contributor.authorNikolaidis, Pantelis T.cs
dc.contributor.authorKnechtle, Beatcs
dc.contributor.authorBednář, Josefcs
dc.coverage.issue259cs
dc.coverage.volume8cs
dc.date.issued2017-05-02cs
dc.description.abstractPurpose: Little information is available on the association of hydration beliefs and behaviors in endurance athletes and exercise-associated hyponatremia (EAH). The aim of the present study was to determine hydration beliefs and behaviors in endurance athletes. Method: A 100 and 38 recreational athletes [107 mountain bikers (MTBers) and 31 runners] competing in seven different endurance and ultra-endurance races completed pre- and post-race questionnaires, and a subgroup of 113 (82%) participants (82 MTBers and 31 runners) also provided their blood samples. Result: More than half of the participants had some pre-race (59%), mid-race (58%), and post-race (55%) drinking plan. However, the participants simultaneously reported that temperature (66%), thirst (52%), and plan (37%) affected their drinking behavior during the race. More experienced (years of active sport: p = 0.002; number of completed races: p < 0.026) and trained (p = 0.024) athletes with better race performance (p = 0.026) showed a more profound knowledge of EAH, nevertheless, this did not influence their planned hydration, reported fluid intake, or post-race plasma sodium. Thirteen (12%) hyponatremic participants did not differ in their hydration beliefs, race behaviors, or reported fluid intake from those without post-race EAH. Compared to MTBers, runners more often reported knowledge of the volumes of drinks offered at fluid stations (p < 0.001) and information on how much to drink pre-race (p < 0.001), yet this was not associated with having a drinking plan (p > 0.05). MTBers with hydration information planned more than other MTBers (p = 0.004). In comparison with runners, more MTBers reported riding with their own fluids (p < 0.001) and planning to drink at fluid stations (p = 0.003). On the whole, hydration information was positively associated with hydration planning (n = 138) (p = 0.003); nevertheless, the actual reported fluid intake did not differ between the group with and without hydration information, or with and without a pre-race drinking plan (p > 0.05). Conclusion: In summary, hydration beliefs and behaviors in the endurance athletes do not appear to affect the development of asymptomatic EAH.en
dc.description.abstractZdá se, že hydratační zvyky a chování u vytrvalostních sportovců neovlivňují výskyt cvičením způsobené hyponatremie.cs
dc.formattextcs
dc.format.extent1-11cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationFrontiers in Physiology. 2017, vol. 8, issue 259, p. 1-11.en
dc.identifier.doi10.3389/fphys.2017.00259cs
dc.identifier.issn1664-042Xcs
dc.identifier.orcid0000-0001-9592-7332cs
dc.identifier.orcid0000-0002-3812-6392cs
dc.identifier.other136141cs
dc.identifier.researcheridAAI-6467-2020cs
dc.identifier.researcheridD-9350-2013cs
dc.identifier.scopus55129225600cs
dc.identifier.scopus36805437000cs
dc.identifier.urihttp://hdl.handle.net/11012/70133
dc.language.isoencs
dc.publisherFrontierscs
dc.relation.ispartofFrontiers in Physiologycs
dc.relation.urihttp://journal.frontiersin.org/article/10.3389/fphys.2017.00259/fullcs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1664-042X/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectrunnersen
dc.subjectmountain bikersen
dc.subjectfluid intakeen
dc.subjectběžci
dc.subjectcyklisté na horských kolech
dc.subjectpříjem tekutin
dc.titleReported Hydration Beliefs and Behaviors without Effect on Plasma Sodium in Endurance Athletesen
dc.title.alternativeHydratační zvyky a chování u vytrvalostních atletů bez vlivu na sodík v plasměcs
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-136141en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:37:29en
sync.item.modts2025.01.17 15:26:30en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Fakulta strojního inženýrstvícs
thesis.grantorVysoké učení technické v Brně. Centrum sportovních aktivit. Centrum sportovních aktivitcs
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