Physical Activity May Facilitate Diabetes Prevention in Adolescents
- Amy S. Thomas, MPH (amysusan{at}uab.edu)a,
- Lori F. Greene, MSa,
- Jamy D. Ard, MDa,
- Robert A. Oster, PhDb,
- Betty E. Darnell, MSc and
- Barbara A. Gower, PhDa
- a Department of Nutrition Science
- b Department of Medicine
- c General Clinical Research Center, University of Alabama at Birmingham, Birmingham, AL 35294
Abstract
Objective: The aim of this study was to examine the association of PA with glucose tolerance and resting energy expenditure (REE) among adolescents.
Research design and methods: Subjects were 32 male and female adolescents aged 12-18 yr. Intravenous glucose tolerance (Kg) and REE were assessed under inpatient conditions after an overnight fast. Kg was determined as the inverse slope of time vs (ln) glucose over minutes 8-19 of an intravenous glucose tolerance test. PA was assessed over 8 d using accelerometry (counts/min).
Results: In multiple linear regression analysis, Kg was positively associated with total PA, moderate PA, and moderate 5-min bouts of PA. Similarly, REE was positively associated with TPA, moderate PA, and 5-min bouts of moderate PA.
Conclusion: In this population, PA was positively related to both glucose tolerance and resting energy expenditure. These results suggest that moderate activity may be beneficial in the prevention of diabetes in adolescent populations both through promoting efficient glucose disposal and through increasing energy expenditure.
Footnotes
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- Received April 25, 2008.
- Accepted September 25, 2008.
- Copyright © American Diabetes Association
