Beta alanine supplementation effects on metabolic contribution and swimming performance

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Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorEstácio University-
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.contributorUniversidade Federal de Pernambuco (UFPE)-
Autor(es): dc.creatorNorberto, Matheus Silva-
Autor(es): dc.creatorBarbieri, Ricardo Augusto-
Autor(es): dc.creatorBertucci, Danilo Rodrigues [UNESP]-
Autor(es): dc.creatorGobbi, Ronaldo Bucken-
Autor(es): dc.creatorCampos, Eduardo Zapaterra-
Autor(es): dc.creatorZagatto, Alessandrou Moura [UNESP]-
Autor(es): dc.creatorDe Freitas, Ellen Cristini-
Autor(es): dc.creatorPapoti, Marcelo-
Data de aceite: dc.date.accessioned2022-02-22T00:26:38Z-
Data de disponibilização: dc.date.available2022-02-22T00:26:38Z-
Data de envio: dc.date.issued2020-12-11-
Data de envio: dc.date.issued2020-12-11-
Data de envio: dc.date.issued2020-07-25-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1186/s12970-020-00365-6-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/199163-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/199163-
Descrição: dc.descriptionBackground: Investigations of β-alanine supplementation shows effects on metabolic (aerobic and anaerobic) participation and performance on swimming by a possible blood acidosis buffering. Considering this background, the objective of the present study was to analyze the effects of β-alanine supplementation on metabolic contribution and performance during 400-m swim. Methods: Thirteen competitive swimmers underwent a 6-week, double-blind placebo-controlled study, ingesting 4.8 g.day- 1 of β-alanine or placebo. Before and after the supplementation period, the total anaerobic contribution (TAn) and 30-s all-out tethered swimming effort (30TS) were assessed. Anaerobic alactic (AnAl) and lactic energy (AnLa) was assumed as the fast component of excess post-exercise oxygen consumption and net blood lactate accumulation during exercise (Δ[La-]), respectively. Aerobic contribution (Aer) was determined by the difference between total energy demand and TAn. In addition to conventional statistical analysis (Repeated measures ANOVA; p > 0.05), a Bayesian repeated measures ANOVA was used to evidence the effect probability (BFincl). Results: No differences and effects were found between groups, indicating no supplementation effects. Repeated measures ANOVA, with confirmation of effect, was indicate reduce in ΔLactate (p: 0.001; BFincl: 25.02); absolute AnLa (p: 0.002; BFincl: 12.61), fatigue index (p > 0.001; BFincl: 63.25) and total anaerobic participation (p: 0.008; BFincl: 4.89). Conclusions: Thus, the results demonstrated that all changes presented were evidenced as a result of exposure to the training period and β-alanine supplementation doesn't affect metabolic contribution and performance during 400-m freestyle.-
Descrição: dc.descriptionUniversity of São Paulo Medicine University of Ribeirão Preto (FMRP-USP)-
Descrição: dc.descriptionUniversity of São Paulo School of Physical Education and Sport of Ribeirão Preto (EEFERP-USP)-
Descrição: dc.descriptionEstácio University-
Descrição: dc.descriptionDepartment of Physical Education State São Paulo University (UNESP)-
Descrição: dc.descriptionDepartment of Physical Education Federal University of Pernambuco (UFPE)-
Descrição: dc.descriptionDepartment of Physical Education State São Paulo University (UNESP)-
Idioma: dc.languageen-
Relação: dc.relationJournal of the International Society of Sports Nutrition-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subject30-s all-out tethered-
Palavras-chave: dc.subjectAccumulated oxygen deficit-
Palavras-chave: dc.subjectAnaerobic energy release-
Palavras-chave: dc.subjectBeta-alanine-
Palavras-chave: dc.subjectSports science-
Palavras-chave: dc.subjectSwimming-
Título: dc.titleBeta alanine supplementation effects on metabolic contribution and swimming performance-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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