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Boys' Physical Activity Linked to Insulin Sensitivity

Researchers reviewed data on an ethnically mixed sample of 1,783 adolescents. Physical activity was estimated through a questionnaire, while cardiovascular fitness was measured by a treadmill test, and insulin sensitivity was determined with blood tests.

Analysis reveals that boys tend to be more physically active than girls, and in general boys were found to be more physically fit. Increasing levels of physical activity and cardiovascular fitness were linked to improved insulin sensitivity in boys, but not so much in girls. Among girls, insulin sensitivity was more closely linked to body mass index. The role of physical activity in girls may be more involved in maintaining weight than in affecting glucose metabolism.

Imperatore G, Cheng YJ, Williams DE, et al.: Physical activity, cardiovascular fitness, and insulin sensitivity among U.S. adolescents: The National Health and Nutrition Examination Survey, 1999–2002. Diabetes Care 29: 1567–1572, 2006[Abstract/Free Full Text] .

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Services Email this article to a friend Similar articles in this journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Search for Related Content Social Bookmarking                What's this?