Effects of a whole-body electrostimulation warm-up protocol in young semi-professional football players - Perez de Arrilucea Le Floc´h, U. A.; Naranjo Delgado, S.; Burgos-Postigo, S.; Fernandez-Luna, A.; Fernandez-Elias, V. E. (Deutsche Zeitschrift für Sportmedizin, 2025)