The effects of sport-specific drills training or high-intensity interval Saturday, 27 May 2017 | Fisiología y entrenamiento deportivo Fernández‐Fernández, J., Sanz, D., Sarabia, J. M., y Moya, M. (2017). The effects of sport-specific drills training or high-intensity interval training in young tennis players. International Journal of Sports Physiology and Performance, 12(1), 90-98. doi:10.1123/ijspp.2015‐0684.