The influence of COVID-19 on the practice of physical activity in the European Union countries Diego Álvarez-Lourido; José Luis Paniza-Prados; Antonio Álvarez-Sousa;

Versión reducida del Minnesota Leisure Time Physical Activity Questionnaire para población general: MLTPAQ 9+2 Jessica Rial-Vázquez; Mónica Pérez-Ríos; María Isolina Santiago-Pérez; Alberto Ruano-Ravina;

The combined used of quantitative and qualitative longitudinal methods in the study of obesity Cecilia Díaz-Méndez; Jean Adams;