In this study, we examined the variability of physical activity (and inactivity) patterns in
relation to gender, age, type of school, day of the week, and season of the year among a …

Adolescents' objectively assessed physical activity (PA) patterns during specific segments of
the day remain unclear. In order to develop a clearer understanding this study examined …

The aim of this pilot study was to characterize seasonal variation in the moderate to vigorous
physical activity (MVPA) and sedentary behavior of Portuguese school youth, and …

This study aimed to describe seasonal variations in Portuguese adolescents' physical
activity, in organized and nonorganized physical activities, according to gender and age …

This study aimed to assess the day-to-day variability of children's physical activity by
accelerometer on week-days and week-end days, and to determine the proportion of …

Abstract Background The majority of Spanish adults and children do not engage in enough
physical activity to be beneficial for health. There is a need for objective and accurate …

All Latin-American countries are affected by the lack of physical activity and its
consequences on youth. Chile's population has shown troublingly low levels of moderate-to …

Levels of physical inactivity and sedentary behaviour among English and Spanish youth are
high and vary within different regions of each country. Little though is known about these …

Background: Sport has high social valence and is a primary context for physical activity for
the majority of youth. The aim of this study was to estimate the contribution of participation in …

BACKGROUND: While the importance of individual and school factors as correlates of
overall youth physical activity has been demonstrated by previous research, less is known …