https://www.selleckchem.com/
The intentional integration of physical activity in elementary school classrooms-including brief instructional breaks for activity, or integration into lessons-can benefit children's physical activity and education outcomes. Teachers are key implementation agents, but despite physical activity in the classroom being an evidence-informed practice, many teachers do not regularly implement it. The aim of this study was to obtain updated nationally representative prevalence estimates in United States public elementary schools, regarding four key outcomes (1) sc