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Provedor de dados:  BJMBR
País:  Brazil
Título:  Effects of endurance training on reduction of plasma glucose during high intensity constant and incremental speed tests in Wistar rats
Autores:  Abreu,P.
Vitzel,K.F.
Monteiro,I.C.C.R.
Lima,T.I.
Queiroz,A.N.
Leal-Cardoso,J.H.
Hirabara,S.M.
Ceccatto,V.M.
Data:  2016-01-01
Ano:  2016
Palavras-chave:  Exercise
Skeletal muscle
Liver
Blood glucose
Training
Resumo:  The aim of this research was to investigate the effects of endurance training on reduction of plasma glucose during high intensity constant and incremental speed tests in Wistar rats. We hypothesized that plasma glucose might be decreased in the exercised group during heavy (more intense) exercise. Twenty-four 10-week-old male Wistar rats were randomly assigned to sedentary and exercised groups. The prescription of endurance exercise training intensity was determined as 60% of the maximum intensity reached at the incremental speed test. The animals were trained by running on a motorized treadmill, five days/week for a total period of 67 weeks. Plasma glucose during the constant speed test in the exercised group at 20 m/min was reduced at the 14th, 21st and 28th min compared to the sedentary group, as well at 25 m/min at the 21st and 28th min. Plasma glucose during the incremental speed test was decreased in the exercised group at the moment of exhaustion (48th min) compared to the sedentary group (27th min). Endurance training positively modulates the mitochondrial activity and capacity of substrate oxidation in muscle and liver. Thus, in contrast to other studies on high load of exercise, the effects of endurance training on the decrease of plasma glucose during constant and incremental speed tests was significantly higher in exercised than in sedentary rats and associated with improved muscle and hepatic oxidative capacity, constituting an important non-pharmacological intervention tool for the prevention of insulin resistance, including type 2 diabetes mellitus.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2016001100602
Editor:  Associação Brasileira de Divulgação Científica
Relação:  10.1590/1414-431x20165226
Formato:  text/html
Fonte:  Brazilian Journal of Medical and Biological Research v.49 n.11 2016
Direitos:  info:eu-repo/semantics/openAccess
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