Aerobic fitness depends upon pulmonary, cardiovascular, and hematological components
of oxygen delivery and the oxidative mechanisms of the exercising muscle. Maximal oxygen …

OBJECTIVE--To examine the patterns of physical activity among British schoolchildren
aged 11 to 16 and to assess whether the children experience the intensity and duration of …

The purpose of this study was to investigate children's motivational orientations to sport.
Recent social cognitive theories of achievement motivation were applied in order: (1) to …

This article reviews the habitual physical activity of children and adolescents from member
countries of the European Union in relation to methods of assessing and interpreting physical …

Aim The aim of this review is to summarise issues surrounding the measurement of physical
activity (PA) by self-report and accelerometry in youth (2–18 years old). Current levels and …

… results of cross-sectional studies Armstrong and Welsman 2000). … decline over the same
period Armstrong and Welsman 1994). … growth and maturation Armstrong and Welsman 2000). …

The health, fitness and other advantages of youth sports participation are well recognised.
However, there are considerable challenges for all stakeholders involved—especially youth …

The purpose of this study was to examine the combined effects of task and ego goal orientations
on children's sport motivation. Participants were 115 boys and 116 girls (mean age = …

Aim To analyse aerobic fitness and its relationship with sport participation, exercise training
and habitual physical activity (HPA) during youth. Methods Studies were located through …

" Interest in the effects that physical activity and/or exercise have on a child's growth and
maturation has a long history. At the beginning of the 20th century D'Arcy Thompson1 wrote his …