Document Detail

Effect of physical training on metabolic responses of pregnant rats submitted to swimming under thermal stress.
MedLine Citation:
PMID:  21772888     Owner:  NLM     Status:  PubMed-not-MEDLINE    
BACKGROUND: The aim of this study is to assess the effect of pre-pregnancy physical training on metabolic responses and its effects on offspring.
METHODS: Three groups of rats (n = 7 in each group): sedentary pregnant rats (PS), exercised during pregnancy (PE) and pregnant rats trained before and during pregnancy (PT) were compared. They were separated into three subgroups regarding water temperature: 28°C, 35°C or 39°C. Plasma triglycerides and glucose levels, weight gain during pregnancy and rectal temperature pre and post exercise (swim), as well as the offspring size and weight were analysed.
RESULTS: Rectal temperature post exercise was lower than pre exercise at 28°C and 35°C, and higher at 39°C. Weight gain was lower at 39°C for the PT group and at 35°C for the PT and PE groups compared to the PS group. Plasma glucose, at 28°C and 39°C for PS and PE groups, was higher than those obtained at 35°C, while triglycerides were lower. For trained rats, plasma glucose and triglycerides were similar at all water temperatures. Trained rats presented lower triglyceride values at 35°C, and higher triglyceride values at 39°C compared to PS group. Glucose presented inverse results. None of the groups presented fetal reabsorption. However, in the PS group, the offspring presented lower weight gain at 28°C than at 35°C and 39°C.
CONCLUSIONS: These results suggest that pre-pregnancy physical training induces steady values of triglycerides and glucose during exercise at all water temperatures.
Rodrigo Alexis Lazo-Osório; Rafael Pereira; Junia Scarlatelli Christofani; Adriana Kowalesky Russo; Marco Machado; Wellington Ribeiro; Ivan da Cruz Piçarro
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences     Volume:  14     ISSN:  1735-1995     ISO Abbreviation:  J Res Med Sci     Publication Date:  2009 Jul 
Date Detail:
Created Date:  2011-07-20     Completed Date:  2011-11-10     Revised Date:  2013-05-29    
Medline Journal Info:
Nlm Unique ID:  101235599     Medline TA:  J Res Med Sci     Country:  Iran    
Other Details:
Languages:  eng     Pagination:  223-30     Citation Subset:  -    
Department of Physiology, Universidade do Vale do Paraíba, São José dos Campos, Brazil.
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