Abstract This study assessed the efficacy of a co-designed, school-based intervention meant to promote physical activity and fitness among Dutch prevocational secondary students. In a two-year clustered randomized controlled trial, students’ physical activity and fitness was measured by indirect and …

Background: A consistent finding in the literature is the decline in physical activity during adolescence, resulting in activity levels below the recommended guidelines. Therefore, promotion of physical activity is recommended specifically for prevocational students. Objective: This protocol paper describes …