BACKGROUND This study aimed to investigate the relationship between total and segmental bone mineral density (BDM) and physical activity (PA) in different domains (school, leisure and sports) among adolescents and children. DESIGN AND SETTING Cross-sectional study in the Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP). METHODS The study sample consisted of 173 children and ad...

CONTEXT Assessment of physical activity using self-report has the potential for measurement error that can lead to incorrect inferences about physical activity behaviors and bias study results. OBJECTIVE To provide recommendations to improve the accuracy of physical activity derived from self report. PROCESS We provide an overview of presentations and a compilation of perspectives shared by...

background: because of the sedentary lifestyle and decreasing mobility and physical activity of the modern man, non-contagious diseases are rising. nurses and emergency medical personnel are of the individuals who due to their stressful jobs and intensive shift work do not have enough physical activity. the aim of this study was to determine the factors related to regular physical activity amon...

the main purpose of this study was to determine which correlate, perceived motor competence or motor skill competence, best predicts girls' physical activity behavior.a sample of 352 girls (mean age=8.7, sd=0.3 yr) participated in this study. to assess motor skill competence and perceived motor competence, each child completed the test of gross motor development-2 and physical ability sub-scale...

The World Health Organization attracted more attention to the positive effects of physical activity (PA) and adverse stress on health older people and, therefore, a significant number practitioners. To verify impact PA in people. Observational analytical research, composed 690 both genders residing Brazil, present street races (as participants or observers), who volunteered respond research pro...

Background and Aim: Physical activity and nutrition are important topics in adolescent health. This study aimed to determine the predictors of nutritional knowledge, behaviors, and physical activity in fifth-grade elementary school female students Materials and Methods: This cross-sectional descriptive-analytical study was performed on 480 female students in the fifth grade of the elementary ...