Effects of Implementing 15-Minute Physical Exercise Sessions During Physical Education Classes on Physical Fitness and Anthropometric Indicators in Rural Adolescents

An intervention program consisting of 15 minutes of PEx during PE classes, conducted twice a week for 12 weeks, improves cardiorespiratory fitness, flexibility (only for boys), muscular strength/endurance, handgrip strength, body mass index (only for girls), and waist circumference of rural adolescent school students.