Injury in CrossFit beginner / intermediary participants: a systematic review - Oliveira, Arthur Marques Zecchin; Silva, Arthur Polveiro da; Pisa, Marcel Frezza; Gonçalves, Thiago Correa Porto; Bassetti, Victor Leal; Puggina, Enrico Fuini (Revista Andaluza de Medicina del Deporte, 2021)