Table 2. Comparison between the experimental group and the control group (n= 20).

		EG (n=10)	CG (n=10)
Pressure (%)	Before	31.4±11.4a	30.3±1.0
	2 weeks	38.4±12.9	33.9±11.0
	4 weeks*	48.9±13.8*	34.9±11.0
Sway (mm)	Before	130.2±21.9	132.9±30.5
	2 weeks	121.9±20.6	127.4±26.9
	4 weeks*	102.4±16.8**	126.7±29.1
Total pressure (Kpa)	Before	70.4±18.0	68.3±12.9
	2 weeks	76.7±14.5	70.9±11.8
	4 weeks*	96.8±17.4*	76.7±18.1
Angle of knee joint (°)	Before	45.1±13.7	47.5±15.3
	2 weeks	53.2±12.9	49.6±14.2
	4 weeks*	66.3±15.4**	51.4±13.4*
Functional reaching test (cm)	Before	12.3±3.5	11.2±4.1
	2 weeks**	19.4±3.1	12.60±4.1
	4 weeks*	29.6±7.6**	22.20±6.5**

^aMean±SD, *p<0.05; ** p<0.01, EG, experimental group; CG, control group