Table 2. The changes in balance ability and muscle function.

Group		Pre	Post
Sit-to-stand	Exercise	7.1±3.5	14.4±5.8*
	Control	8.3±2.1	19.6±6.3
Knee-up	Exercise	40.9±6.7	59.3±9.8*
	Control	45.5±6.9	48.9±7.9
One leg with eyes open (sec)	Exercise	2.9±1.7	4.7±2.1*
	Control	1.6±4.8	1.8±8.9

*Values are mean±SD. *Significantly different between pre-and post-intervention