The November 2021 A-level Physical Education Paper 1 examines factors influencing participation in physical activity and sport. Topics include applied anatomy and physiology (muscle fibers, spirometry), skill acquisition (learning plateau, memory use), and sport and society (secondary socialization, 19th-century amateurism). Analytical tasks assess the impact of industrial changes on sports and barriers affecting disabled athletes’ self-efficacy. Keywords: participation, muscle fibers, skill acquisition, industrialization, disability sport, socialization.