School-based Intervention to Promote Physical Activity in Adolescents in Spain: the Promoting Physical Activity in Secondary School For Health Project

The goal of this study is to design, adapt and implement a strategies and a teaching intervention programme to improve the adolescents physical activity in a little city of Spain, in an educational context. Students will be divided in two groups (control and intervention) and we will apply in the intervention in one group and we will develop different strategies aimed at improve the active lifestyles in the adolescents. Researchers will compare both groups taking in to account: levels of physical activity, sedentary time, healthy diet, self-concept or different psychosocial outcomes