Strength Exercise Improves Muscle Mass and Hepatic Insulin Sensitivity in Obese Youth

Data on the metabolic effects of resistance exercise (strength training) in adolescents are limited.The objective of this study was to determine whether a controlled resistance exercise program without dietary intervention or weight loss reduces body fat accumulation, increases lean body mass, and improves insulin sensitivity and glucose metabolism in sedentary obese Hispanic adolescents.Twelve obese adolescents (age = 15.5 ± 0.5 yr, body mass...