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Cardiovascular fitness and physical activity in children with and without impaired glucose tolerance

G Q Shaibi1, G D C Ball, M L Cruz

  • 1Department of Biokinesiology and Physical Therapy, University of Southern California, Los Angeles, 90033, USA.

International Journal of Obesity (2005)
|December 14, 2005
PubMed

Insights

Overweight Hispanic children with impaired glucose tolerance (IGT) show similar cardiovascular fitness (VO2max) and physical activity levels compared to those with normal glucose tolerance (NGT). Further research is needed to understand long-term diabetes risk in this population.

Area of Science:

  • Pediatric Endocrinology
  • Cardiovascular Health
  • Metabolic Health

Background:

  • Overweight Hispanic children are at increased risk for type 2 diabetes.
  • Understanding factors influencing glucose tolerance in this demographic is crucial.

Purpose of the Study:

  • To compare cardiovascular fitness (VO2max) and physical activity levels between overweight Hispanic children with normal glucose tolerance (NGT) and impaired glucose tolerance (IGT).

Main Methods:

  • 173 overweight Hispanic children (ages 8-13) with a family history of type 2 diabetes were studied.
  • Cardiovascular fitness was assessed using maximal treadmill tests (VO2max).
  • Physical activity was measured via questionnaire, and glucose tolerance was determined through an oral glucose challenge test.

Main Results:

  • Approximately 27% of participants had impaired glucose tolerance (IGT).
  • No significant differences in absolute or adjusted VO2max were found between NGT and IGT groups.
  • Recreational physical activity levels did not differ significantly between the NGT and IGT groups.

Conclusions:

  • Overweight Hispanic youth with IGT demonstrate comparable VO2max and physical activity levels to their NGT peers.
  • Longitudinal studies are required to ascertain the predictive value of fitness and activity on diabetes risk in this cohort.
Abstract

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