Schabl, S. and Konrad, A. 2026. Effects of a 12-Week Combined Circuit Training Intervention in Physical Education on Motor Performance in Adolescents: A Cluster-Randomized Controlled Trial. Current Issues in Sport Science (CISS). 11, 5 (Sep. 2026), 025. DOI:https://doi.org/10.36950/2026.5ciss025.