The effect of volume equated 1- versus 2-day formats of Nordic hamstring exercise training on fitness in youth soccer players: A randomised controlled trial. - Moran, Jason; Vali, Norodin; Drury, Ben; Hammami, Raouf; Tallent, Jamie; Chaabene, Helmi; Ramirez-Campillo, Rodrigo (PLoS ONE, 2022)