Apolinar Graña Varela is an Assistant Professor in the Department of Specific Didactics and Research and Diagnostic Methods in Education at the University of A Coruña (UDC), Spain and a member of the EUNOIA research group (Wellbeing and Active Life in Educational Contexts). He earned a degree in Physical Activity and Sport Sciences, a Master’s degree in Educational Innovation, Guidance and Assessment, and a Ph.D. in Education (2015), all from UDC. From 2019 to 2025, he taught at the University of Navarra, where he became an Associate Professor and coordinated the Physical Education specialisation within the Primary Education degree. His previous experience includes postdoctoral research at the Institute for Culture and Society, University of Navarra, and the Faculty of Human Kinetics, University of Lisbon. His current research focuses on physical education, play and traditional games, Galician play heritage, inclusive and adapted physical activity, intellectual disability, sustainability and motor development; his earlier research addressed character education and education for development. His work includes journal articles, books, teaching materials, and research reports. He has also led projects on adapted sport and sustainable traditional play practices. He is a co-founder of the Observatorio do Patrimonio Lúdico Galego