Abstract Background and Objective This review is an update of a previous review published
in 2010, and aims to summarize the available studies on the measurement properties of …

Background: We aim to systematically review the literature on measurement properties of
self-and proxy-reported questionnaires measuring 24-hour movement behaviors in children …

More physical activity and less sedentary behavior is beneficial for children and
adolescents. Worldwide, gender differences are> 8% favorable for men and the Latin …

Considerable public health efforts across the globe have focused on promoting physical
activity (PA) and minimizing sedentary behaviour (SB) in youths. However, it is important to …

Background and objective: The assessment of physical fitness has become a necessary
issue in epidemiological studies, since a reduction in fitness is directly associated with early …

Introduction: Due to the restrictions imposed to control the COVID-19 pandemic, there has
been an increase in studies based on online surveys. However, there are important …

Purpose Quantitative epidemiological tools are routinely used to assess adolescent diet and
physical activity (PA) constructs (behaviour, knowledge, and awareness) as risk factors for …

Introduction Obesity and its comorbidities are increasingly prevalent in Latin America, with a
more rapid growth in individuals with lower income. The composition of movement …

This study aimed to evaluate the reliability, reproducibility, and feasibility of the Youth Activity
Profile Questionnaire (YAP-SL) in the Chilean version (YAP-C) in a sample of children and …

Childhood is a critical period in the development and consolidation of healthy habits, such
as the practice of physical activity (PA). It is essential to have valid instruments to measure …