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The paper briefly reviews the status and trends in physical activity, physical inactivity, and overweight/obesity in Canada; discusses the consequences of these trends; examines evidence that our frame of reference with respect to physical activity and obesity is changing; promotes the importance of getting “back to the basics” as a strategy for enhancing childhood physical activity; and provides suggestions for future research in this area. In addressing these topics, the paper explores and contrasts the lifestyles and characteristics of Old Order Amish and Old Order Mennonite children with children exposed to contemporary modern living. This exploration is used as a model to learn from traditional lifestyles, which were comparatively active and resistant to obesity. The fitness characteristics and physical activity levels of traditional and contemporary groups are compared and demonstrate significant differences among groups. This evidence may provide important insight for informing future physical activity recommendations. Idiosyncrasies of performing research on these traditional-living groups are also provided. Cet article présente brièvement les niveaux de pratique et les tendances au sujet de l’activité physique, de l’inactivité physique, du surpoids et de l’obésité au Canada. Par la suite, on analyse les conséquences et scrute les faits à l’appui du changement du cadre de référence concernant l’activité physique et l’obésité ; puis on insiste sur l’importance de revenir à la base pour inciter les jeunes à la pratique de l’activité physique et on propose des pistes de recherche dans ce domaine. De plus, cet article analyse et compare sous l’angle de ces thèmes les modes de vie des enfants de la société moderne à ceux des enfants du Vieil Ordre Amish et du Vieil Ordre Mennonite. Cette analyse constitue un modèle d’étude du mode de vie traditionnelle caractérisée par sa plus grande pratique de l’activité physique et par sa résistance à l’obésité. Cet article compare la condition physique et le niveau de pratique de l’activité physique selon ces modes de vie et constate des différences significatives. Ces observations pourraient fournir les arguments nécessaires en faveur de recommandations prochaines en matière d’activité physique. Finalement, cet article présente une approche idiosyncratique de la recherche sur ces modes de vie traditionnelle. [ABSTRACT FROM AUTHOR]

The aim of this review is to provide a scientific update on evidence related to the biological and psycho-social health benefits of physical activity in school-aged children and youth. To accomplish this aim, the first part of the paper reviews existing physical activity guidelines for school-aged children and youth, with an emphasis placed on how Canada’s guidelines compare and contrast with those of other countries and organizations. The paper then provides an overview of physical activity levels of Canadian children and youth, which indicates that few Canadian youngsters meet current physical activity recommendations. The next section of the paper summarizes the literature that informs how much physical activity is required to promote health and well-being in children and youth. The paper then provides suggestions on modifications that could be made to Canada’s physical activity guidelines for children and youth. Specifically, consideration should be given to setting both minimal (>=60 min/d) and optimal (up to several hours per day) physical activity targets. The final section identifies future research needs. In this section, a need is noted for comprehensive dose-response studies of physical activity and health in the paediatric age group. [ABSTRACT FROM AUTHOR]

This historical background paper chronicles the major events leading to the development of Canada’s physical activity guides (for children, youth, adults, and older adults). The paper outlines the process and the steps used, including information (where applicable) regarding national partners, project administration, Health Canada communications, product development, endorsement, distribution and implementation, collateral activities, media relations and evaluation framework. Brief summaries of the science that led to the recommended guidelines are included. The paper also summarizes the various physical activity guide assessment and evaluation projects and their findings, particularly as they relate to research carried out on Canada’s physical activity guides for children and youth (and the associated support resources). [ABSTRACT FROM AUTHOR]

The aim of this review is to provide a scientific update on evidence related to the biological and psycho-social health benefits of physical activity in school-aged children and youth. To accomplish this aim, the first part of the paper reviews existing physical activity guidelines for school-aged children and youth, with an emphasis placed on how Canada’s guidelines compare and contrast with those of other countries and organizations. The paper then provides an overview of physical activity levels of Canadian children and youth, which indicates that few Canadian youngsters meet current physical activity recommendations. The next section of the paper summarizes the literature that informs how much physical activity is required to promote health and well-being in children and youth. The paper then provides suggestions on modifications that could be made to Canada’s physical activity guidelines for children and youth. Specifically, consideration should be given to setting both minimal (>=60 min/d) and optimal (up to several hours per day) physical activity targets. The final section identifies future research needs. In this section, a need is noted for comprehensive dose-response studies of physical activity and health in the paediatric age group [ABSTRACT FROM AUTHOR]