The Association Between Physical Activity and Markers of Obesity in Children Living With Obesity.

IF 1.3 4区医学 Q3 PEDIATRICS Pediatric Exercise Science Pub Date : 2025-01-29 Print Date: 2026-02-01 DOI:10.1123/pes.2024-0079

Eliete Samara Batista Dos Santos, Iluska Almeida Carneiro Martins de Medeiros, Mayara Sanay da Silva Oliveira, Felipe Vogt Cureau, Arnaldo Luis Mortatti, Ricardo Santos Oliveira

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Abstract

Purpose: The purpose of this study is to describe the association between the volume and intensity of accelerometer-assessed physical activity (PA) and markers of obesity.

Method: Forty-seven children (20 girls) took part in this investigation. Children wore accelerometers on their nondominant wrists for 7 days. PA was expressed as average acceleration (AvAcc, proxy of PA volume), intensity gradient (IG, distribution of intensity across the 24-h profile), and the acceleration of the most active 5 to 120 minutes of the day (MX, where X = 5-120). Markers of obesity used were body mass index (BMI), BMI z score, obesity severity as the BMI percentage of the 95th percentile, waist-to-hip ratio, and body fat percentage.

Results: AvAcc and IG of the sample were 37.3 (11.2) and -2.19 (0.16), respectively. The standardized coefficients indicated that increases in 1 standard deviation of IG (0.2 for the present sample) were associated with a decrease of BMI (-2.3; 95% CI, -4.13 to -0.39 kg/m2), obesity severity as the BMI percentage of the 95th percentile (-9.9; 95% CI, -18.78 to -0.91), body fat percentage (-3.6; 95% CI, -6.68 to -0.57%), and waist-to-hip ratio (-0.02; 95% CI, -0.04 to -0.00) independent of AvAcc. No associations were found for AvAcc and obesity markers when controlling for IG.

Conclusion: Children with obesity perform little PA. The distribution of PA intensity may be important for improving BMI, obesity severity as the BMI percentage of the 95th percentile, body fat percentage, and waist-to-hip ratio.

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肥胖儿童身体活动与肥胖标志物之间的关系

目的：本研究的目的是描述加速度计评估的身体活动（PA）的体积和强度与肥胖标志物之间的关系。方法：47名儿童（20名女孩）参加调查。孩子们在他们的非惯用手腕上佩戴加速度计7天。PA表示为平均加速度（AvAcc， PA体积的代表），强度梯度（IG， 24小时剖面上的强度分布），以及一天中最活跃的5至120分钟的加速度（MX，其中X = 5-120）。肥胖的标志是身体质量指数（BMI）， BMI z分，肥胖严重程度为第95百分位的BMI百分比，腰臀比和体脂率。结果：样品的AvAcc为37.3 (11.2)，IG为-2.19（0.16）。标准化系数表明，IG每增加1个标准差（本样本为0.2），BMI就会下降(-2.3；95% CI, -4.13至-0.39 kg/m2)，肥胖严重程度为第95百分位数的BMI百分比(-9.9；95% CI, -18.78至-0.91)，体脂率(-3.6；95% CI, -6.68 ~ -0.57%)，腰臀比(-0.02；95% CI, -0.04至-0.00)与AvAcc无关。在控制IG的情况下，AvAcc和肥胖标志物没有关联。结论：肥胖儿童PA表现不佳。PA强度的分布可能对改善BMI、肥胖严重程度（BMI第95百分位百分比）、体脂率和腰臀比很重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Pediatric Exercise Science 医学-生理学

CiteScore

2.80

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Pediatric Exercise Science is a journal committed to enriching the scientific knowledge of exercise during childhood and adolescence. To this end it publishes information that contributes to an understanding of (a) the unique aspects of the physiologic, physical, biochemical, and psychologic responses of children to exercise, (b) the role of exercise in the treatment of pediatric chronic diseases, (c) the importance of physical activity in the prevention of illness and preservation of wellness, and (d) the means by which participation in sports may be made safer and more enjoyable for children and youth. Consideration will be given for publication of work by various methodologies consistent with the scientific approach. Besides original research, the journal includes review articles, abstracts from other journals, book reviews, and editorial comments. Pediatric Exercise Science encourages the expression of conflicting opinions regarding children and exercise by providing a forum for alternative viewpoints. At the same time it serves as a means of accumulating a base of research information that will allow application of experimental data to clinical practice. The scientific disciplines contributing to this body of knowledge are diverse. Therefore it is the purpose of this journal to provide a common focus for disseminating advances in the science of exercise during childhood. In doing so, the journal allows the opportunity for cross-fertilization of ideas between disciplines that will potentiate the growth of knowledge in this field. Pediatric Exercise Science seeks to stimulate new ideas regarding exercise in children and to increase the awareness of scientists, health care providers, and physical educators of the importance of exercise during childhood.