de Castro João Antônio Chula, de Lima Luiz Rodrigo Augustemak, Silva Diego Augusto Santos
Graduate Program of Physical Education, Sports Center, Federal University of Santa Catarina, P.O. Box 476, Florianopolis 88040-900, SC, Brazil.
Institute of Physical Education and Sport, Federal University of Alagoas, Maceio 57072-900, AL, Brazil.
Children (Basel). 2024 Aug 2;11(8):938. doi: 10.3390/children11080938.
BACKGROUND/OBJECTIVES: There is a need to monitor physical fitness in HIV-diagnosed children and adolescents, and body mass index (BMI) could be an option for this due to its usability for assessing nutritional status and fat mass. The present study aimed to explore the relationship between BMI and physical fitness in HIV-diagnosed children and adolescents.
A cross-sectional study was conducted with 86 HIV-diagnosed children and adolescents aged 5-15, with participants from two research protocols (Study I, = 65; Study II, = 21). Physical fitness was assessed through body composition (anthropometric measurements and dual energy X-ray absorptiometry), cardiorespiratory fitness (peak oxygen consumption [VOpeak]), muscle strength/endurance (handgrip strength, standing broad jump, and abdominal and modified push-up endurance), and flexibility (sit-to reach test). The relationship between BMI and physical fitness components was analyzed through correlation and simple and multiple linear regression analysis.
Eutrophic participants (mean age 11.44 ± 2.20) presented a normal fat mass percentage and overweight participants (mean age 11.50 ± 2.54) presented adequate handgrip strength. The adjusted models could explain 71% of fat-free mass, 57% of fat mass percentage, 70% of bone mineral content, 72% of bone mineral density, and 52% of handgrip strength.
Increases in BMI were associated with increases in fat-free mass, fat mass percentage, bone mineral content, bone mineral density, and handgrip strength. BMI was capable of distinguishing those presenting a normal fat mass percentage and those presenting adequate handgrip strength.
背景/目的：有必要对已确诊感染艾滋病毒的儿童和青少年的身体健康状况进行监测，而身体质量指数（BMI）因其可用于评估营养状况和脂肪量，可能是一个选择。本研究旨在探讨已确诊感染艾滋病毒的儿童和青少年中BMI与身体健康状况之间的关系。
对86名年龄在5至15岁之间、已确诊感染艾滋病毒的儿童和青少年进行了一项横断面研究，参与者来自两项研究方案（研究I，n = 65；研究II，n = 21）。通过身体成分（人体测量和双能X线吸收法）、心肺适能（峰值耗氧量[VOpeak]）、肌肉力量/耐力（握力、立定跳远、腹部和改良俯卧撑耐力）以及柔韧性（坐位体前屈测试）来评估身体健康状况。通过相关性分析以及简单和多元线性回归分析来分析BMI与身体健康各组成部分之间的关系。
营养正常的参与者（平均年龄11.44±2.20）脂肪量百分比正常，超重参与者（平均年龄11.50±2.54）握力充足。调整后的模型可以解释71%的去脂体重、57%的脂肪量百分比、70%的骨矿物质含量、72%的骨矿物质密度以及52%的握力。
BMI的增加与去脂体重、脂肪量百分比、骨矿物质含量、骨矿物质密度和握力的增加相关。BMI能够区分脂肪量百分比正常的人和握力充足的人。
