Acute effects of drop jump potentiation protocol on sprint and countermovement vertical jump performance - Lima, José C. Bonfim; Marin, Douglas Popp; Barquilha, Gustavo; Silva, Leopoldo Ortega da; Puggina, Enrico Fuini; Pithon Curi, Tania C.; Hirabara, Sandro M. (Human Movement, 2011)