Table 3. Least mean square (LSM) of lumbar flexor muscle strength at 60°/sec and comparison of
differences between the groups (Nm)
Group pre_M±SD post_M±SD MEAN SD
Control group 170.12±44.75 153.94±20.24 153.37 9.28 * Experimental group 167.44±45.25 185.68±32.45 186.24 9