Concepts related to energy expenditure, physical activity and physical fitness, and methods
of assessment are briefly considered. Variation in energy expenditure, physical activity, and …

This review assembles pedometry literature focused on youth, with particular attention to
expected values for habitual, school day, physical education class, recess, lunch break, out …

Growth, maturation, and development dominate the daily lives of children and adolescents
for approximately the first 2 decades of life. Growth and maturation are biological processes …

This study attempted to validate an anthropometric equation for predicting age at peak
height velocity (APHV) in 193 Polish boys followed longitudinally 8–18 years (1961–1972) …

Purpose To describe physical activity (PA) intensity across a school day and assess the
percentage of girls and boys achieving recommended guidelines. Methods The authors …

Purpose To describe the sex-specific patterns of school children's daily pedometer-
determined physical (PA) during physical education (PE), recess and lunchtime, and before …

Age and Gender Differences in Youth Physical Activity: Does Physical Maturity Matter? Page 1
Copyright @ 2007 by the American College of Sports Medicine. Unauthorized reproduction of …

Objective To assess the criterion validity, internal consistency, reliability and cut-point for the
Physical Activity Questionnaire for Children (PAQ-C) and Adolescents (PAQ-A) in children …

Background The decline in physical activity during adolescence is a key public health
concern. This comparative study assesses whether the age-related decline in physical …

The school day offers several different time periods that provide varying opportunities for
sedentary time (SED) and engagement in physical activity (PA), yet little is known about the …