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Type: Artigo de periódico
Title: Critical Load Forced-swim Test With Wistar Rats Does Not Properly Estimate Anaerobic Threshold: The Relationship With Morphophysiological Factors And Performance Indices
Author: Chimin P.
Almeida F.N.
Okuno N.M.
Franzoi de Moraes S.M.
Gobatto C.A.
Nakamura F.Y.
Abstract: Objective: The study aimed to correlate morphophysiological characteristics associated with performance and indices associated with the critical power model, and to verify the time to exhaustion (Tlim) at critical load (CL) intensityMethods: Twenty male Wistar rats were submitted to four predictive tests to determine CL and anaerobic swim capacity (ASC) intensity using hyperbolic and Busso's modelsSubsequently, they were submitted to exercise at 100% of CL intensity derived from hyperbolic model until exhaustion, and the time was recorded to the nearest secondThe day after, animals were euthanized for blood and tissue collectionResults: Significant relationships were found among the indices CL, ASC (derived from the both models) and Tlim (P<0.05)CL derived from hyperbolic model and Tlim were correlated with proportion of oxidative fiber type and proportion of glycolytic fiber typeASC derived from both models presented weak-to-moderate correlation with proportion of glycolytic fiber type, but it was not significant (P>0.05)Conclusion: We can conclude that the CL rat swimming model does not properly estimate the anaerobic threshold intensityFurthermore, the correlations with morphophysiological variables indicate that none of variables alone can account for performance at CL intensity© 2013.
Rights: fechado
Identifier DOI: 10.1016/j.scispo.2012.08.002
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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