Table 3.

Spearman correlation coefficients between the force plate and the 4 different Wii Balance Board devices.

Variables	Wii Balance Board device number
	1, ρ	2, ρ	3, ρ	4, ρ	Mean, ρ
DOT	.79	.73	.73	.87	.78
Area	.85	.89	.82	.90	.86
RMSAP	.79	.92	.85	.78	.83
RMSML	.85	.72	.72	.80	.76
AdCPAP	.76	.89	.74	.79	.80
AdCPML	.89	.79	.76	.73	.79
MVAP	.94	.89	.88	.90	.91
MVML	.96	.84	.85	.91	.89
TMV	.82	.80	.77	.86	.81
Mean, ρ (SD)	.85 (0.02)	.83 (0.02)	.79 (0.02)	.84 (0.02)	.83 (0.05)