Alejandro Moreno PhD is a physical education teacher with a degree in Sports Science, a Master's Degree in High Performance in Sport, and a PhD in Sports Science. He is a full-time Professor in the Faculty of Health and Sports Sciences, at the University of Zaragoza. His research interests lie in the effects of different strength training methods, the evaluation of physical, physiological and metabolic performance in team sports, and the analysis of technical–tactical variables in team sports. His postal and e-mail addresses can be found below. Postal address: Facultad de Ciencias de la Salud y del Deporte. Pabellón polideportivo río Isuela, Ronda de la misericordia, 5, 22001, Huesca. Spain. E-mail: amazze@unizar.es ATTENTION: please check intended meaning retained.