Low physical performance in obese adolescent boys with metabolic syndrome

K. Török, Z. Szelényi, J. Pórszász, D. Molnár

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

OBJECTIVE: To assess cardiorespiratory exercise function in obese children with and without metabolic syndrome (MS). DESIGN: Comparing three groups of subjects with different cardiovascular risk profiles. SUBJECTS: Twenty-two MS (body weight (mean ± s.d.) 97.3 ± 15.3 kg; age (mean ± s.d.) 14.2 ± 1.9 y), 17 obese (82.6 ± 15.7 kg; 14.2 ± 2.6 y) and 29 normal weight control (64.3 ± 8.5 kg; 15.3 ± 1.0 y) boys. MEASUREMENTS: Exercise duration (ED), resting heart rate (HRo), peak heart rate (HRpeak), physical working capacity at 170 beat/min (PWC-170), peak oxygen consumption (VO2peak) and the lactic acidosis threshold (LAT) were determined on treadmill, using a continuous ramp protocol. RESULTS: ED (MS (mean ± s.d.); 655 ± 86 s; obese 703 ± 64 s; control 750 ± 0 s) in absolute value and PWC-170 normalised for body weight (139 ± 40 w; 177 ± 40 w; 211 ± 40 w) were significantly shorter and lower in the MS group, as compared to obese and control groups (P <0.05). VO2peak (2.2 ± 0.4 l/min; 2.4 ± 0.5 l/min; 2.9 ± 0.4 l/min) and LAT (1.3 ± 0.4 l/min; 1.5 ± 0.4 l/min; 1.8 ± 0.4 l/min) normalised for body weight, were significantly shorter and lower in the MS group, as compared to control group (P <0.05). HRo was significantly higher (P <0.05) in MS group than in obese and control groups (88 ± 12 bpm; obese 78 ± 10 bpm; 73 ± 10 bpm). CONCLUSION: Cardiorespiratory exercise performance capacity in MS boys are reduced. It still remains to be elucidated whether the metabolic alterations or the decreased physical activity is responsible for the observed reduction in cardiorespiratory performance.

Original languageEnglish
Pages (from-to)966-970
Number of pages5
JournalInternational Journal of Obesity
Volume25
Issue number7
DOIs
Publication statusPublished - 2001

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metabolic syndrome
Exercise
exercise
Lactic Acidosis
Body Weight
acidosis
Control Groups
body weight
heart rate
Heart Rate
risk profile
milk
Architectural Accessibility
duration
exercise equipment
weight control
Oxygen Consumption
physical activity
oxygen consumption
Weights and Measures

Keywords

  • Cardiorespiratory exercise capacity
  • Children
  • Metabolic syndrome

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Public Health, Environmental and Occupational Health
  • Endocrinology
  • Food Science
  • Endocrinology, Diabetes and Metabolism

Cite this

Low physical performance in obese adolescent boys with metabolic syndrome. / Török, K.; Szelényi, Z.; Pórszász, J.; Molnár, D.

In: International Journal of Obesity, Vol. 25, No. 7, 2001, p. 966-970.

Research output: Contribution to journalArticle

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AU - Török, K.

AU - Szelényi, Z.

AU - Pórszász, J.

AU - Molnár, D.

PY - 2001

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N2 - OBJECTIVE: To assess cardiorespiratory exercise function in obese children with and without metabolic syndrome (MS). DESIGN: Comparing three groups of subjects with different cardiovascular risk profiles. SUBJECTS: Twenty-two MS (body weight (mean ± s.d.) 97.3 ± 15.3 kg; age (mean ± s.d.) 14.2 ± 1.9 y), 17 obese (82.6 ± 15.7 kg; 14.2 ± 2.6 y) and 29 normal weight control (64.3 ± 8.5 kg; 15.3 ± 1.0 y) boys. MEASUREMENTS: Exercise duration (ED), resting heart rate (HRo), peak heart rate (HRpeak), physical working capacity at 170 beat/min (PWC-170), peak oxygen consumption (VO2peak) and the lactic acidosis threshold (LAT) were determined on treadmill, using a continuous ramp protocol. RESULTS: ED (MS (mean ± s.d.); 655 ± 86 s; obese 703 ± 64 s; control 750 ± 0 s) in absolute value and PWC-170 normalised for body weight (139 ± 40 w; 177 ± 40 w; 211 ± 40 w) were significantly shorter and lower in the MS group, as compared to obese and control groups (P <0.05). VO2peak (2.2 ± 0.4 l/min; 2.4 ± 0.5 l/min; 2.9 ± 0.4 l/min) and LAT (1.3 ± 0.4 l/min; 1.5 ± 0.4 l/min; 1.8 ± 0.4 l/min) normalised for body weight, were significantly shorter and lower in the MS group, as compared to control group (P <0.05). HRo was significantly higher (P <0.05) in MS group than in obese and control groups (88 ± 12 bpm; obese 78 ± 10 bpm; 73 ± 10 bpm). CONCLUSION: Cardiorespiratory exercise performance capacity in MS boys are reduced. It still remains to be elucidated whether the metabolic alterations or the decreased physical activity is responsible for the observed reduction in cardiorespiratory performance.

AB - OBJECTIVE: To assess cardiorespiratory exercise function in obese children with and without metabolic syndrome (MS). DESIGN: Comparing three groups of subjects with different cardiovascular risk profiles. SUBJECTS: Twenty-two MS (body weight (mean ± s.d.) 97.3 ± 15.3 kg; age (mean ± s.d.) 14.2 ± 1.9 y), 17 obese (82.6 ± 15.7 kg; 14.2 ± 2.6 y) and 29 normal weight control (64.3 ± 8.5 kg; 15.3 ± 1.0 y) boys. MEASUREMENTS: Exercise duration (ED), resting heart rate (HRo), peak heart rate (HRpeak), physical working capacity at 170 beat/min (PWC-170), peak oxygen consumption (VO2peak) and the lactic acidosis threshold (LAT) were determined on treadmill, using a continuous ramp protocol. RESULTS: ED (MS (mean ± s.d.); 655 ± 86 s; obese 703 ± 64 s; control 750 ± 0 s) in absolute value and PWC-170 normalised for body weight (139 ± 40 w; 177 ± 40 w; 211 ± 40 w) were significantly shorter and lower in the MS group, as compared to obese and control groups (P <0.05). VO2peak (2.2 ± 0.4 l/min; 2.4 ± 0.5 l/min; 2.9 ± 0.4 l/min) and LAT (1.3 ± 0.4 l/min; 1.5 ± 0.4 l/min; 1.8 ± 0.4 l/min) normalised for body weight, were significantly shorter and lower in the MS group, as compared to control group (P <0.05). HRo was significantly higher (P <0.05) in MS group than in obese and control groups (88 ± 12 bpm; obese 78 ± 10 bpm; 73 ± 10 bpm). CONCLUSION: Cardiorespiratory exercise performance capacity in MS boys are reduced. It still remains to be elucidated whether the metabolic alterations or the decreased physical activity is responsible for the observed reduction in cardiorespiratory performance.

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