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Pulmonary function during exercise in obese children.

R B Tang1, T Chao, S J Chen

  • 1Department of Pediatrics, Taipei Veterans General Hospital, 201, Sec. 2, Shih-Pai Road, Taipei 112, Taiwan. rbtang@vghtpe.gov.tw

Zhonghua Yi Xue Za Zhi = Chinese Medical Journal; Free China Ed
|October 5, 2001
PubMed
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Obese children showed similar lung function to normal-weight peers during exercise tests. Despite increased blood pressure in obese subjects, key pulmonary measurements like FEV1, PEFR, and FVC did not significantly differ, suggesting comparable respiratory capacity.

Area of Science:

  • Pediatric Exercise Physiology
  • Obesity Research
  • Pulmonary Function Testing

Background:

  • Obesity increases physiological stress during physical activity.
  • Understanding exercise responses in obese children is crucial for health.
  • Habitual physical activity levels may influence these responses.

Purpose of the Study:

  • To evaluate pulmonary function changes in obese children during graded exercise.
  • To assess the impact of habitual physical activity on exercise responses in this population.

Main Methods:

  • Recruited 42 obese and 10 normal-weight 11-year-old students.
  • Measured cardiopulmonary fitness using a jump rope test.
  • Determined height, weight, and body mass index (BMI) before testing.

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Main Results:

  • Significant correlation found between triceps skin-fold thickness and BMI (r = 0.65, p < 0.05).
  • Obese subjects exhibited increased systolic blood pressure post-exercise.
  • No significant differences in lung function tests (FEV1, PEFR, FVC) between obese and non-obese groups.

Conclusions:

  • Physiological responses during exercise are comparable between obese and non-obese children.
  • Focus should be on building confidence for exercise participation in obese children.