Journal of School Health
Teacher‐ Versus Video‐Delivered Classroom Activity Breaks and Student Physical Activity: The PAAC ‐3 Trial
ABSTRACT Background Classroom activity breaks may increase moderate‐to‐vigorous physical activity (MVPA); however, few studies have compared teacher and video‐delivered approaches under real‐world conditions. Methods In this cluster randomized trial, 11 elementary schools were assigned to teacher‐delivered (PAAC‐T; 5 schools, 192 students) or video‐delivered (PAAC‐V; 6 schools, 276 students) classroom activity breaks across one academic year. Teachers were trained to deliver two 10‐min breaks daily. Intervention de …