Table 2. The result of COP visual feedback training for the hemiparesis patients (n=20).

		Experimental group (n=10)	Control group (n=10)
Step length (cm)*	pre test	31.8±12.2a	30.2±6.7
	post test	44.2±11.2*	33.0±9.6
Stride length (cm)*	pre test	62.0±24.9	65.3±17.4
	post test	87.3±18.1*	64.7±13.1
Gait velocity (m/s)*	pre test	0.7±0.1	0.8±0.2
	post test	1.0±0.3*	0.8±0.2
Functional reach test (cm)*	pre test	18.6±1.9	17.4±1.5
	post test	26.2±2.5*	23.0±2.2*

^*p<0.05; ^amean±SD