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de Vries, S.I. (author), Hopman-Rock, M. (author), Bakker, I. (author), van Mechelen, W. (author), TNO Kwaliteit van Leven (author)
Purpose: To investigate the effect of guideline operationalization in terms of intensity threshold, bout duration, and days on the proportion of children meeting the health-related 60-min physical activity guideline using a subjective and an objective assessment method. Methods: Five hundred and twenty-one children (6-11 yr) completed a physical...
article 2009
document
Dessing, D. (author), Pierik, F.H. (author), Sterkenburg, R.P. (author), van Dommelen, P. (author), Maas, J. (author), de Vries, S.I. (author)
Background Children’s current physical activity levels are disturbingly low when compared to recommended levels. This may be changed by intervening in the school environment. However, at present, it is unclear to what extent schoolyard physical activity contributes towards reaching the daily physical activity guideline. The aim of this study was...
article 2013
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van Kann, D.H.H. (author), Jansen, M.W.J. (author), de Vries, S.I. (author), de Vries, N.K. (author), Kremers, S.P.J. (author)
Background The worldwide increase in the rates of childhood overweight and physical inactivity requires successful prevention and intervention programs for children. The aim of the Active Living project is to increase physical activity and decrease sedentary behavior of Dutch primary school children by developing and implementing tailored,...
article 2015
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de Vries, S.I. (author), van Hirtum, H.W.J.E.M. (author), Bakker, I. (author), Hopman-Rock, M. (author), Hirasing, R.A. (author), van Mechelen, W. (author), TNO Kwaliteit van Leven (author)
Purpose: To review recently published studies on the reproducibility, validity, and feasibility of motion sensors used to assess physical activity in healthy children and adolescents (2-18 yr). Methods: On October 2004, a systematic literature search in PubMed, EMBASE, and PsycINFO was performed. This search has been updated on October 2007. In...
article 2009
document
Broekhuizen, K. (author), Scholten, A.M. (author), de Vries, S.I. (author)
The (pre)school environment is an important setting to improve children's health. Especially, the (pre)school playground provides a major opportunity to intervene. This review presents an overview of the existing evidence on the value of both school and preschool playgrounds on children's health in terms of physical activity, cognitive and...
article 2014
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