Teaching cornerball: a didactic proposal based on the sport education model. - Diez-Fernández, Pelayo; Rodríguez-Cayetano, Alberto; Gutiérrez-Gutiérrez, Sandra; Barcala-Furelos, Martín; González-Gutiérrez, Iván; Ruibal-Lista, Brais; López-García, Sergio (Frontiers in Sports & Active Living, 2026)