3. Results
HEAT
As shown in As shown in In terms of flexibility, significant pretest and posttest differences in flexibility were observed in the WBV and WBV plus heat therapy groups. The latter’s degree of improvement was significantly higher than that of the other three groups in three months (In terms of muscle strength, no significant differences in muscle strength were observed in the heat therapy alone and control groups. A significant improvement in muscle strength was observed in the WBV and WBV plus heat therapy groups. The latter’s degree of improvement was significantly higher than those of the other three groups (see In terms of balancing abilities, no significant differences in balance abilities were observed in the heat therapy alone and control groups. And our study finding significant improvements in balance abilities were observed in the WBV and WBV plus heat therapy groups (see 