Resistance training improves isokinetic strength and metabolic syndrome-related phenotypes in postmenopausal women
Authors Ferreira Alves Oliveira P, Bonadias Gadelha A, Gauche R, Paiva F, Bottaro M, Vianna L, Moreno Lima R
Received 21 April 2015
Accepted for publication 28 May 2015
Published 7 August 2015 Volume 2015:10 Pages 1299—1304
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 5
Editor who approved publication: Dr Richard Walker
Pedro Ferreira Alves Oliveira,1 André Bonadias Gadelha,2 Rafael Gauche,2 Flávio Macedo Lahud Paiva,2 Martim Bottaro,2 Lauro C Vianna,2 Ricardo Moreno Lima2
1Department of Physical Education, Instituto Federal de Brasília, 2College of Physical Education, University of Brasília, Brasília, DF, Brazil
Purpose: To examine the effects of resistance training (RT) on metabolic syndrome-related phenotypes in postmenopausal women.
Patients and methods: Twenty-two postmenopausal women (65.0±4.2 years) underwent 12 weeks of whole body progressive training with intensity prescribed based on rating of perceived exertion. Dominant knee extension strength was assessed using an isokinetic dynamometer before and after the intervention. Moreover, all volunteers had blood samples collected for lipid profile, glycemic control, and C-reactive protein analyses. Waist circumference and arterial blood pressure were also measured at baseline and after the training period. Student’s t-tests for paired samples and repeated measures ANOVA were used to compare dependent variables, and statistical significance was set at P<0.05.
Results: Isokinetic muscle strength significantly increased (P<0.01) with training. It was observed that waist circumference as well as total and low-density lipoprotein cholesterol levels significantly decreased with training (P<0.01). Total cholesterol/high-density lipoprotein cholesterol ratio, an important marker of cardiovascular disease incidence, was also significantly reduced (from 3.91±0.91 to 3.60±0.74; P<0.01) after the program. Blood glucose, basal insulin, and homeostatic model assessment of insulin resistance were also significantly reduced (P<0.01). No significant alterations were observed for resting blood pressure, triglycerides, or C-reactive protein.
Conclusion: Based on the observed results, it can be concluded that a 12-week progressive RT program, besides increasing isokinetic muscle strength, induces beneficial alterations on metabolic syndrome-related phenotypes in postmenopausal women. These findings highlight this mode of exercise as an important component of public health promotion programs for aged women. RT improves isokinetic strength and metabolic syndrome-related phenotypes in postmenopausal women.
Keywords: strength training, cardiometabolic risk, OMNI-RES, aging
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