Currently, Ángel is a PhD student in Physical Activity and Sport with a grant from the Regional Ministry of Innovation, Universities, Science and Digital Society of Valencia (ACIF contract, 2022-2026). His thesis project, directed by Prof. Juan Carlos Colado Sánchez, focuses on the study of physical activity interventions aimed at the prevention and treatment of frailty caused by ageing, as well as improving the functional and biological health of older adults.