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Updated: May 14, 2026

Randomized Controlled Trial to Study the Acute Effects of Strength Exercise on Insulin Sensitivity in Obese Adults
Published on: December 1, 2023
Moderate-intensity aerobic training program improves insulin sensitivity and inflammatory markers in a pilot study of
Gina Many1, Maria-Eugenia Hurtado, Charles Tanner
1Children's National Medical Center, Research Center for Genetics Medicine, Washington, DC, USA.
Unlabelled:
We initiated a pilot study to investigate the effects of 8 wks of aerobic exercise training (ET) on insulin sensitivity and inflammatory markers in obese and insulin-resistant minority adolescents. Eleven morbidly obese (BMI 41.4 ± 1.8 kg/m2) minority adolescents were entered into a supervised ET intervention (~180 min/wk at 40-55%VO2PeakR [(VO2Peak-VO2Rest)/VO2Rest]). The effects of training on insulin sensitivity (SI), inflammation and other metabolic syndrome features were examined.
Results:
Insulin action improved in response to training, as indicated by a ~37% increase in SI (p = .018). Plasma levels of several proinflammatory cytokines were reduced in response to ET, as indicated by significant decrements in sTNF-R, CCL2, MPO, IL-6, resistin, and leptin, with no significant changes in hsCRP. ET induced reductions in BMI and percent total body fat.
Conclusions:
The present study supports the efficacy of ET interventions on metabolic syndrome features in morbidly obese minority youth.
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