ABSTRACT BACKGROUND: Low bone mineral content (BMC) and bone mineral density (BMD) have been identified in human immunodeficiency virus (HIV)-infected children and adolescents. The direct adverse effects of HIV infection and combined antiretroviral therapy (ART) negatively contribute to bone metabolism. A direct relationship between muscle strength levels and BMD in HIV-infected adults and older adults has been...
RESUMO O objetivo deste estudo foi estimar a prevalência de problemas crônicos de coluna ou dor nas costas (PCC/DC), os fatores sociodemográficos e de estilo de vida e as doenças crônicas associadas em adultos quilombolas. Foi realizado estudo epidemiológico, populacional e seccional, com amostra representativa de uma região de um estado nordestino. Os dados foram coletados por meio de entrevista com formulário...
RESUMO: Introdução: Este estudo objetivou avaliar o efeito de uma intervenção sobre o engajamento em atividade física (AF) e comportamento sedentário (CS) no período escolar, em aulas de educação física (EF) e nos recreios em estudantes do sexto ao nono ano de escolas públicas de Florianópolis, Santa Catarina. Métodos: Duas escolas foram alocadas em grupo experimental e controle. Os participantes utilizaram ace...
Abstract Aim: The aim of this study was to verify the effectiveness of a multicomponent, school-based intervention in reducing screentime in adolescents according to sex. Methods: This is a non-randomized controlled intervention study focusing on cardiorespiratory fitness, body image, nutrition and physical activity. Screentime (television, computer/video game) was the secondary outcome of the intervention and ...
ABSTRACT Introduction: Aerobic fitness is a component of physical fitness related to health and has great importance in the prevention of cardiovascular diseases. Objective: To verify the secular changes in aerobic fitness levels and to identify factors over a decade related to low levels of aerobic fitness in Brazilian children. Methods: This secular change study was carried out from 1999 to 2010 with 11,083 c...
Abstract The aim of this study was to assess the validity of traditional anthropometric equations and to develop predictive equations of total body and trunk fat for children and adolescents living with HIV based on anthropometric measurements. Forty-eight children and adolescents of both sexes (24 boys) aged 7-17 years, living in Santa Catarina, Brazil, participated in the study. Dual-energy X-ray absorptiomet...
RESUMO Objetivo: Comparar a atividade física habitual entre adolescentes que vivem com o vírus da imunodeficiência humana (HIV) e seus pares saudáveis e testar a relação com indicadores antropométricos de gordura corporal. Método: Estudo transversal, com dois grupos de investigação, composto por 57 adolescentes (10-15 anos) com HIV e 54 adolescentes aparentemente saudáveis, pareados por sexo e idade. Medidas an...
Abstract Objective: To estimate the prevalence of low cardiorespiratory fitness and its association with excess body fat, considering the sexual maturation and economic level in female adolescents. Methods: Cross-sectional, epidemiological study of 1223 adolescents (10-17 years) from the public school system of Cascavel, PR, Brazil, in 2006. We analyzed the self-assessed sexual maturation level (prepubertal, pu...
INTRODUÇÃO: níveis inadequados de aptidão cardiorrespiratória na adolescência estão inversamente associados a fatores de risco cardiovasculares e metabólicos.OBJETIVO: verificar a associação da aptidão cardiorrespiratória com indicadores sociodemográficos e o estado nutricional em adolescentes.MÉTODOS: estudo transversal realizado em 627 adolescentes (361 moças), com idades de 14 a 17 anos, de ambos os sexos em...
INTRODUCTION: aerobic fitness is considered one of the most important components of health-related physical fitness, with low levels related to increased risk of premature death from all causes, especially cardiovascular diseases.OBJECTIVE: to identify the characteristics of adolescents at higher risk of low levels of aerobic fitness.METHODS: the study included 696 adolescents 15-17 years of age enrolled in pub...