Association of physical activity with insulin sensitivity in children

Kathryn Schmitz, D. R. Jacobs, C. P. Hong, J. Steinberger, A. Moran, A. R. Sinaiko

Research output: Contribution to journalArticle

143 Citations (Scopus)

Abstract

BACKGROUND: Physical activity (PA) has been shown to improve insulin resistance and other cardiovascular disease risk factors in normal and diabetic adults and in obese youth, but not in non-diabetic, normal-weight children. METHODS: Data from 357 non-diabetic children (10-16y) were used to examine cross-sectional associations with PA. Insulin sensitivity was assessed with a euglycemic hyperinsulinemic clamp and expressed as Mffm (glucose utilization/kg of fat-free mass/min). RESULTS: Correlations were adjusted for age, sex, race and Tanner stage. PA was significantly correlated with fasting insulin and insulin sensitivity (r= -0.12, P=0.03 and r=0.13, P=0.001, respectively), more strongly in children with above-median systolic blood pressure (r= -0.17, P=0.03 and r=0.35, P=0.0001, respectively). Further adjustment for body mass index, body fat percentage, waist circumference or lipids did not alter these observations. CONCLUSIONS: Physical activity is correlated with lower fasting insulin and greater insulin sensitivity in childhood. These results are consistent with the hypothesis that increasing physical activity among youth may reduce the incidence of type 2 diabetes in children and adolescents.

Original languageEnglish (US)
Pages (from-to)1310-1316
Number of pages7
JournalInternational Journal of Obesity
Volume26
Issue number10
DOIs
StatePublished - Oct 1 2002

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Insulin Resistance
Exercise
Fasting
Insulin
Blood Pressure
Glucose Clamp Technique
Waist Circumference
Type 2 Diabetes Mellitus
Adipose Tissue
Body Mass Index
Cardiovascular Diseases
Fats
Lipids
Weights and Measures
Glucose
Incidence

All Science Journal Classification (ASJC) codes

  • Medicine (miscellaneous)
  • Endocrinology, Diabetes and Metabolism
  • Nutrition and Dietetics

Cite this

Schmitz, K., Jacobs, D. R., Hong, C. P., Steinberger, J., Moran, A., & Sinaiko, A. R. (2002). Association of physical activity with insulin sensitivity in children. International Journal of Obesity, 26(10), 1310-1316. https://doi.org/10.1038/sj.ijo.0802137
Schmitz, Kathryn ; Jacobs, D. R. ; Hong, C. P. ; Steinberger, J. ; Moran, A. ; Sinaiko, A. R. / Association of physical activity with insulin sensitivity in children. In: International Journal of Obesity. 2002 ; Vol. 26, No. 10. pp. 1310-1316.
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Schmitz, K, Jacobs, DR, Hong, CP, Steinberger, J, Moran, A & Sinaiko, AR 2002, 'Association of physical activity with insulin sensitivity in children', International Journal of Obesity, vol. 26, no. 10, pp. 1310-1316. https://doi.org/10.1038/sj.ijo.0802137

Association of physical activity with insulin sensitivity in children. / Schmitz, Kathryn; Jacobs, D. R.; Hong, C. P.; Steinberger, J.; Moran, A.; Sinaiko, A. R.

In: International Journal of Obesity, Vol. 26, No. 10, 01.10.2002, p. 1310-1316.

Research output: Contribution to journalArticle

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N2 - BACKGROUND: Physical activity (PA) has been shown to improve insulin resistance and other cardiovascular disease risk factors in normal and diabetic adults and in obese youth, but not in non-diabetic, normal-weight children. METHODS: Data from 357 non-diabetic children (10-16y) were used to examine cross-sectional associations with PA. Insulin sensitivity was assessed with a euglycemic hyperinsulinemic clamp and expressed as Mffm (glucose utilization/kg of fat-free mass/min). RESULTS: Correlations were adjusted for age, sex, race and Tanner stage. PA was significantly correlated with fasting insulin and insulin sensitivity (r= -0.12, P=0.03 and r=0.13, P=0.001, respectively), more strongly in children with above-median systolic blood pressure (r= -0.17, P=0.03 and r=0.35, P=0.0001, respectively). Further adjustment for body mass index, body fat percentage, waist circumference or lipids did not alter these observations. CONCLUSIONS: Physical activity is correlated with lower fasting insulin and greater insulin sensitivity in childhood. These results are consistent with the hypothesis that increasing physical activity among youth may reduce the incidence of type 2 diabetes in children and adolescents.

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