Precueing time but not direction of postural perturbation induces early muscular activation: Comparison between young and elderly individuals - Silva, Marina Brito; Coelho, Daniel Boari; Lima-Pardini, Andrea Cristina de; Martinelli, Alessandra Rezende; Baptista, Thais da Silva; Ramos, Renato Teodoro; Teixeira, Luis Augusto (Neuroscience Letters, 2015)