Effect of resistance training on C-reactive protein, blood glucose and lipid profile in older women with differing levels of RT experience - PubMed (original) (raw)

Effect of resistance training on C-reactive protein, blood glucose and lipid profile in older women with differing levels of RT experience

Alex S Ribeiro et al. Age (Dordr). 2015 Dec.

Abstract

The purpose of this study was to analyze the effects of a progressive resistance training (RT) program on C-reactive protein (CRP), blood glucose (GLU), and lipid profile in older women with differing levels of RT experience. Sixty-five older women (68.9 ± 6.1 years, 67.1 ± 13.1 kg) were separated according to RT experience: an advanced group composed by 35 participants who previously carried out 24 weeks of RT and a novice group composed by 30 participants without previous experience in RT (n = 30). Both groups performed a RT program comprised of eight exercises targeting all the major muscles. Training was carried out 3 days/week for 8 weeks. Serum triglycerides (TG), total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), GLU, and CRP concentrations were determined pre- and post- intervention after 12 h fasting. A significant group by time interaction (P < 0.05) for the TC (novice = -1.9% vs. advanced = 1.0%), and CRP (novice = -22.9% vs. advanced = -54.5%) was observed. A main effect of time (P < 0.05) was identified for the GLU (novice = -2.6% vs. advanced = -6.6%), TG (novice = -12.9% vs. advanced = -5.7%), HDL-C (novice = +6.7% vs. advanced = +2.6%), and LDL-C (novice = -34.0% vs. advanced = -25.4%). These results suggest that RT improves the metabolic profile of older women and that training for a longer period of time seems to produce more pronounced reductions mainly on CRP.

Keywords: Aging; C-reactive protein; Lipoproteins; Strength training.

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Conflict of interest statement

Compliance with ethical standards Written informed consent was obtained from all participants after a detailed description of study procedures was provided. This investigation was conducted according to the Declaration of Helsinki and was approved by the local University Ethics Committee.

Figures

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Experimental design

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C-reactive protein in advanced (n = 35) and novice (n = 30) resistance trained older women after 8 weeks of intervention. *P < 0.05 vs. pre. † P < 0.05 vs. novice

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