Table 3. Onset and offset times assessed by EMG. Data are means (±SD) Baseline Follow-up Parameters SG CG SG CG Onset time (ms) 562.09 (55.33) 548.21 (64.76) 487.92 (46.71) 538.41 (53.58) * Offset time (ms) 687.54 (75.39) 701.23 (69.52) 570.17 (62.11) 682.31 (65.68) * SG = study group; CG = control group. indicates significant (p < 0.05) differences compared to SG.