 The data was analyzed using Statistical Package for Social Sciences SPSS 17. Descriptive statistics and inferential statistics were used to summarize the data. Independent-t-test was used to compare the anthropometric indices of subjects in each group. Repeated measure analysis of variance ANOVA was used to compare the mean values of pre-treatment, third-week and sixth-week pain intensity and physical function within the group and across the group. Post hoc analyses were carried out when necessary. An alpha level of 0.05 is set as significant level. 