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Metab Syndr Relat Disord. 2015 Jun;13(5):227-34. doi: 10.1089/met.2014.0135. Epub 2015 Apr 6.

Circuit resistance training attenuates acute exertion-induced reductions in arterial function but not inflammation in obese women.

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1 Department of Physical Therapy, University of Illinois at Chicago , Chicago, Illinois.



Cardiovascular disease (CVD) is a leading cause of preventable death among young women in the United States. Habitual resistance exercise training is known to have beneficial effects on endothelial function and CVD risk factors, including obesity; however, previous studies show that acute resistance exercise impairs endothelial function in obese adults who are sedentary, a response that may be linked to inflammation. We sought to determine if circuit-based resistance training (CRT) attenuates acute resistance exercise-induced reductions in endothelial function in a population of young, obese, sedentary women and whether or not inflammation plays a role in this response.


Eighteen obese [body mass index (BMI) 30.0-40.0 kg · m(-2)] young premenopausal women were randomly assigned to either a CRT group or a no-exercise control group (CON). Conduit artery endothelial function was assessed using brachial artery flow-mediated dilation (FMD) determined by ultrasound before and after a single bout of strenuous weightlifting (SWL). In addition, circulating inflammatory mediators (tumor necrosis factor-α and C-reactive protein), blood pressure, fasting blood lipids, glucose, waist circumference, body composition, and aerobic capacity were assessed.


Among participants randomized to the CRT group, 8 weeks of training led to considerable increases in FMD after SWL (P=0.001) compared to the CON group. However, no significant differences between the groups were observed in circulating inflammatory mediators, blood pressure, fasting blood lipids, or other physical and physiological characteristics.


This study shows that CRT alleviates acute exertion-induced reductions in endothelial function among obese sedentary women in the absence of changes in inflammation.

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