Máxima fase estável de lactato é ergômetro- dependente em modelo experimental utilizando ratos

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorFaculdades Integradas Einstein de Limeira - FIEL-
Autor(es): dc.contributorFaculdades Integradas de Bauru - FIB-
Autor(es): dc.creatorManchado, Fúlvia De Barros-
Autor(es): dc.creatorGobatto, Claudio Alexandre-
Autor(es): dc.creatorContarteze, Ricardo Vinícius Ledesma-
Autor(es): dc.creatorPapoti, Marcelo-
Autor(es): dc.creatorDe Mello, Maria Alice Rostom-
Data de aceite: dc.date.accessioned2025-08-21T17:50:03Z-
Data de disponibilização: dc.date.available2025-08-21T17:50:03Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2006-09-01-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/224923-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/224923-
Descrição: dc.descriptionThe maximal lactate steady state (MLSS) is considered the gold standard method for determination of aerobic/anaerobic metabolic transition during continuous exercise, but the blood lactate response at this intensity is ergometer-dependent in human beings. An important tool for exercise physiology and correlated fields is the use of animal models. However, investigation on evaluation protocols in rats is scarce. The aim of the present study was to verify if the MLSS is ergometer-dependent for the evaluation of the aerobic conditioning of rats. Therefore, 40 adult male Wistar rats were evaluated in two different exercise types: swimming and treadmill running. In both, the MLSS was obtained with 4 continuous 25 minutes tests, at different intensities, performed at 48 hours intervals. In all tests, blood samples were collected from a cut at the tail tip every 5 minutes for blood lactate analysis. The swimming tests occurred in a deep cylindrical tank, with water temperature at 31 ± 1°C. The loads used in the tests were 4.5; 5.0; 5.5 and 6.0% of the body weight tied to the animal's back. For MLSS determination in running exercise, there was selection of running rats and velocities used in the tests were 15, 20, 25, 30 m.min-1. The MLSS was interpreted as an increase not exceeding 1.0 mM of blood lactate, from the 10th to the 25 th minute of exercise. The MLSS in swimming exercise occurred at 5.0% of body weight (bw), with blood lactate at 5.20 ± 0.22 mM. The running rats presented MLSS at the 20 m.min-1 velocity, with blood lactate of 3.87 ± 0.33 mM. The results indicated that the MLSS is ergometer-dependent in experimental models using animals, as it is in human beings.-
Descrição: dc.descriptionUniversidade Estadual Paulista - UNESP Departamento de Educação Física, Rio Claro/SP-
Descrição: dc.descriptionFaculdades Integradas Einstein de Limeira - FIEL, Limeira/SP-
Descrição: dc.descriptionFaculdades Integradas de Bauru - FIB, Bauru/SP-
Descrição: dc.descriptionUniversidade Estadual Paulista - UNESP Departamento de Educação Física, Rio Claro/SP-
Idioma: dc.languagept_BR-
Idioma: dc.languageen-
Relação: dc.relationRevista Brasileira de Medicina do Esporte-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectBlood lactate-
Palavras-chave: dc.subjectSwimming-
Palavras-chave: dc.subjectTreadmill running-
Palavras-chave: dc.subjectWistar rats-
Título: dc.titleMáxima fase estável de lactato é ergômetro- dependente em modelo experimental utilizando ratos-
Título: dc.titleThe maximal lactate steady state is ergometer-dependent in experimental model using rats-
Tipo de arquivo: dc.typelivro digital-
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