Statistical analysis
The normality of all data before and after interventions was checked with the Shapiro–Wilk test and data are presented as mean ± standard deviations (SDs). In addition, data were analyzed by 2-way [3 (group) × 2 (time)] repeated-measures analysis of variance (ANOVA) using the SPSS statistical software package (SPSS version 21.0 for Windows, SPSS Inc., Chicago, IL, United States) to determine differences between the groups in the gait parameters at pre and post-training. When a significant 