Background Physical activity plays a vital role in children’s current and future health, development and wellbeing (World Health Organization 2011 World Health Organization. 2011. WHO Information Sheet: Global Reccomendations on Physical Activity for Health 5 – 17 Years old. Geneva: World HEalth Organization. [Google Scholar]). Conversely, time spent sedentary (e.g. sitting, lying) has been shown to have detrimental effects on health independent of physical activity (Hamilton et al.
