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Background. British children do not meet daily physical activity recommendations, and as yet no sustainable intervention has been reported to address their sedentary lifestyle. The purpose of this investigation was twofold: First, to examine whether painting playgrounds with multicolored markings would increase the percent of recess time spent in moderate to vigorous physical activity (MVPA) and vigorous physical activity (VPA) in girls and boys and second to quantify the contribution recess makes to national recommendations for young people's physical activity.Methods. MVPA and vigorous physical activity (VPA) were measured using short wave heart rate telemetry. Physical activity levels were compared before and after playgrounds were painted in 4 intervention schools and compared to 4 matched schools with unmarked playgrounds. Schools were situated in areas of deprivation. Ninety-nine children completed the study.Results. A significant interaction (group  time) was evident for MVPA and VPA. Time spent in MVPA and VPA increased significantly in intervention schools as a result of playground painting. Boys were more active than girls, and activity decreased with age, but neither difference reached significance.Conclusion. Multicolor playground markings can be a low-cost method of increasing children's daily physical activity levels in the short term. If these increases were sustained, then school playgrounds with multicolor markings would make a valuable contribution to physical activity recommendations for young people. D

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This study explored whether children differentiate between their physical capabilities at play activities, informal recreational activities, and formal competitive activities. Harter’s (11) six-item Athletic Competence subscale from the SelfPerception Profile for Children was administered to 578 children and adolescents (ages 7-15 years). The items were modified to refer to three different categories of physical activity instead of sport or outdoor games as used in the original subscale. Repeated measures ANOVA revealed that children differentiated between the three categories of physical activity, and that the competitive sport category was their area of lowest perceived competence. Males had higher levels of perceived competence than females in each category.

Physical inactivity is a risk factor for chronic diseases and ischemic cardiomyopathy, which is the leading cause of death in Bogota, Colombia. Cycling is a sustainable strategy to increase levels of physical activity, especially for college students; however, fewer women than men engage in this activity due to gender roles, creating an avoidable inequity. The aim of this study was to understand the socio-cultural significance perceived by a group of medical students in women's use of bicycles as a mode of transportation in Bogotá. Qualitative research based on grounded theory was conducted. Sixteen students participated in three focus groups and four interviews from February to April 2018. We found that the meaning of the cycling experience resulted from identity construction. The cycling

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