1. Russell and al argue that obesity rate have increased among children of all ages and reason behind it is due to decreased physical activity. The association for sports and physical education released a guideline for preschoolers in relation to physical activity. This article seek to examine the physical activity among preschoolers and to determine the demographic factors associated with the physical activity. The authors in order to get answer for their question used 9 preschool of 3 different type and attached an Actigraph accelerometer to children for the duration of the time they were at preschool in a day and the demographic factor, height and weight of those children were measured and recorded. They were able to identify that each preschool
