Acute effect of a ballistic and a static stretching exercise bout on flexibility and maximal strength - Bacurau, Reury Frank Pereira; Monteiro, Gizele de Assis; Ugrinowitsch, Carlos; Tricoli, Valmor Alberto Augusto; Cabral, Leonardo Ferreira; Aoki, Marcelo Saldanha (Journal of strength and conditioning research, 2009)