Table 3.

Two-way ANOVA on spatio-temporal parameters after the onset of the perturbations: effects of “perturbation intensity” and “group” factors

	Perturbation Intensity		Group		Perturbation Intensity × Group
Metric	P value	F value	P value	F value	P value	F value
Stride	0.483	0.83	0.009	8.25	0.794	0.34
Stance%	<0.001	7.59	0.001	13.81	0.073	2.47
Step length	0.828	0.30	0.388	0.78	0.094	2.25
Step width	0.903	0.19	0.284	1.21	0.917	0.17