Exercise tolerance in obese vs. lean adolescents: a systematic review and meta‐analysis

To prescribe feasible and medically safe exercise interventions for obese adolescents, it remains to be determined whether exercise tolerance is altered and whether anomalous cardiopulmonary responses during maximal exercise testing are present. Studies that examined cardiopulmonary responses to max...

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Bibliographic Details
Published in:	Obesity reviews Vol. 15; no. 11; pp. 894 - 904
Main Authors:	Hansen, D, Marinus, N, Remans, M, Courtois, I, Cools, F, Calsius, J, Massa, G, Takken, T
Format:	Journal Article
Language:	English
Published:	England Blackwell Pub 01-11-2014 Blackwell Publishing Ltd Wiley Subscription Services, Inc
Subjects:	Adolescent Adolescents Body Composition Child exercise Exercise Test Exercise Tolerance gas exchange heart rate Humans meta-analysis obesity Obesity - epidemiology Obesity - metabolism Obesity - physiopathology oxygen Oxygen Consumption Physical Fitness Prevalence systematic review Thinness - epidemiology Thinness - metabolism Thinness - physiopathology exercise tolerance Adolescents physical fitness obesity
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Summary:	To prescribe feasible and medically safe exercise interventions for obese adolescents, it remains to be determined whether exercise tolerance is altered and whether anomalous cardiopulmonary responses during maximal exercise testing are present. Studies that examined cardiopulmonary responses to maximal exercise testing in obese adolescents were searched: cardiopulmonary exercise tests with respiratory gas exchange measurements of peak oxygen uptake (VO₂ₚₑₐₖ) were performed and comparisons between obese and lean adolescents were made. Study quality was assessed using a standardized item list. By meta‐analyses VO₂ₚₑₐₖ, peak cycling power output (Wₚₑₐₖ) and peak heart rate (HRₚₑₐₖ) were compared between groups. Nine articles were selected (333 obese vs. 145 lean adolescents). VO₂ₚₑₐₖ (L min⁻¹), HRₚₑₐₖ and Wₚₑₐₖ were not different between groups (P ≥ 0.10), while a trend was found for a reduced VO₂ₚₑₐₖ (mL min⁻¹ kg⁻¹ lean tissue mass) (P = 0.07) in obese vs. lean adolescents. It remained uncertain whether anomalous cardiopulmonary responses occur during maximal exercise testing in obese adolescents. In conclusion, a trend was found for lowered VO₂ₚₑₐₖ (mL min⁻¹ kg⁻¹ lean tissue mass) in obese vs. lean adolescents. Whether cardiopulmonary anomalies during maximal exercise testing would occur in obese adolescents remains uncertain. Studies are therefore warranted to examine the cardiopulmonary response during maximal exercise testing in obese adolescents.
Bibliography:	http://dx.doi.org/10.1111/obr.12202 istex:C268ADFCBD0BA9A6CD997F0EA498A3F1BE84C1F7 ark:/67375/WNG-6MB0CV4S-1 ArticleID:OBR12202 ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 ObjectType-Review-4 content type line 23 ObjectType-Undefined-3
ISSN:	1467-7881 1467-789X
DOI:	10.1111/obr.12202