Analysis of the effects of the transitional period on performance parameters in young soccer players

Óscar Villanueva-Guerrero, Elena Mainer-Pardos, Hadi Nobari, Demetrio Lozano, José L. Arjol-Serrano, Alberto Roso-Moliner

Health Sciences Faculty, Universidad San Jorge. Faculty of Sport Sciences, University of Extremadura, 10003 Cáceres, Spain. Department of Exercise Physiology, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran.