Quantification of Cardiorespiratory Fitness in Children with Obesity

Document Type

Article

Publication Date

11-1-2019

Publication Title

Medicine and Science in Sports and Exercise

Volume

51

Issue

11

First page number:

2243

Last page number:

2250

Abstract

Purpose: Without consideration for the effects of fat mass, there could be an underestimation of cardiorespiratory fitness in children with obesity leading to a clinical diagnosis of deconditioning and resulting in unrealistic training goals and limitation of physical activities. The purpose of this study was to identify methods of quantifying cardiorespiratory fitness that were less influenced by fat mass. Methods: Fifty-three children, 27 with obesity (10.9 ± 1.0 yr) and 26 without obesity (11.0 ± 1.0 yr), volunteered for this study. Maximal oxygen uptake, an indicator of cardiorespiratory fitness, was referenced to lean body mass, body mass, and predicted body mass at the 50th and 85th body mass index percentiles. Results: Children with obesity carried 18 kg more fat mass and 7 kg more lean body mass compared with children without obesity. Cardiorespiratory fitness based on lean body mass, body mass, and predicted body mass at the 85th percentile was lower in children with obesity compared with children without obesity (P...) (see full abstract in article).

Keywords

Pediatric; Physical fitness; Aerobic capacity; Functional capacity; Exercise capacity

Language

English

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