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dc.creatorCasado, Arturo-
dc.creatorDomínguez, Raúl-
dc.creatorSilva, Sandro Fernandes da-
dc.creatorBailey, Stephen J.-
dc.date.accessioned2022-02-03T18:03:09Z-
dc.date.available2022-02-03T18:03:09Z-
dc.date.issued2021-
dc.identifier.citationCASADO, A. et al. Influence of Sex and Acute Beetroot Juice Supplementation on 2 KM Running Performance. Applied Science, [S. l.], v. 11, n. 3, 2021. DOI: 10.3390/app11030977.pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/49163-
dc.description.abstractPurpose: To assess the effect of acute nitrate-rich (BJ) and nitrate-depleted (PL) beetroot juice ingestion on 2 km running performance in amateur runners, and to what extent the ergogenic effect of BJ supplementation would be influenced by the sex of the participants; Methods: Twenty-four amateur long-distance runners (14 males and 10 females) performed a 2 km time trial (TT) on an outdoor athletics track 2.5 h after ingesting either 140 mL of BJ (~12.8 mmol NO3−) or PL. After the tests, blood [lactate] and ratings of perceived exertion (RPE) related to the leg muscles (RPEmuscular), cardiovascular system (RPEcardio) and general overall RPE (RPEgeneral) were assessed; Results: Compared to PL, BJ supplementation improved 2 km TT performance in both males (p < 0.05) with no supplement × sex interaction effect (p > 0.05). This improvement in 2 km running performance was a function of improved performance in the second 1 km split time in both males and females (p < 0.05). Supplementation with BJ did not alter post-exercise blood [lactate] (p > 0.05) but lowered RPEgeneral (p < 0.05); Conclusions: acute BJ supplementation improves 2 km running performance in amateur runners by enhancing performance over the second half of the TT and lowering RPEgeneral by a comparable magnitude in males and females.pt_BR
dc.languageen_USpt_BR
dc.publisherMDPIpt_BR
dc.rightsAttribution 4.0 International*
dc.rightsacesso abertopt_BR
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.sourceApplied Sciencept_BR
dc.subjectEndurance performancept_BR
dc.subjectErgogenic aidpt_BR
dc.subjectNitratept_BR
dc.subjectNitric oxidept_BR
dc.subjectRatings of perceived exertionpt_BR
dc.subjectDesempenho de resistênciapt_BR
dc.subjectAjuda ergogênicapt_BR
dc.subjectNitratopt_BR
dc.subjectÓxido nítricopt_BR
dc.subjectClassificações de esforço percebidopt_BR
dc.titleInfluence of sex and acute beetroot juice supplementation on 2 KM running performancept_BR
dc.typeArtigopt_BR
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