Obesity and physical inactivity are major risk factors for numerous chronic diseases, conditions, and early mortality. Healthy body weight and physical activity (PA) are also positively associated with health-related ...

There is currently a dearth of information suitable for the development of evidence-based physical activity and screen time guidelines for children and youth. The overarching purpose of this thesis was to generate findings ...

The objectives of this thesis were: 1) to develop and apply a novel method for objectively measuring the time children and adolescents spend engaged in different types of physical activity, 2) to develop and validate an ...

The majority of Canadian youth are not obtaining the recommended 60 minutes of daily physical activity. These low activity levels may be partially explained by students’ physical self-efficacy in that cross-sectional ...