The Effects of Low Intensity Resistance Exercise on Cardiac Autonomic Function and Muscle Strength in Obese Postmenopausal Women
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Updated: Jan 25, 2026

Author Spotlight: Exploring the Impact of Reduced Resistance Exercise Volume on Metabolic Health
Published on: December 1, 2023
Alexei Wong1, Arturo Figueroa2
11 Department of Health and Human Performance, Marymount University, Arlington, VA.
Abstract:
The present study examined the effects of a 12-week low intensity resistance exercise training (LIRET) regimen on heart rate variability (HRV), strength and body composition in obese postmenopausal women. Participants were randomly assigned to 12 weeks of either LIRET (n= 10) or non-exercising control group (n= 10). HRV, leg muscle strength and body composition were measured before and after 12 weeks. There were significant decreases (P < 0.05) in sympathovagal balance (LnLF/LnHF) and sympathetic tone (nLF) as well as significant increases (P < 0.05) in parasympathetic tone (nHF) and strength following LIRET compared to no changes after control. There were no significant changes in body composition after LIRET or control. LIRET may be an effective therapeutic intervention for improving sympathovagal balance and strength in obese postmenopausal women. Since obese postmenopausal women are at increased risk of developing cardiovascular diseases and physical disability, they could potentially benefit from LIRET.
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