Table 3.

Statistical test results from the Wilcoxon signed rank test for RMS body sway and recovery time

	Small perturbations		Large perturbations
Variable	PD com vs. ZI	PD com vs. P ankle	PD com vs. ZI	PD com vs. P ankle
body sway	z=−0.255, p=0.846	z=−0.153, p=0.922	z=−0.357, p=0.770	z=−0.051, p=1.000
recovery time	z=−0.204, p=0.865	z=−0.510, p=0.643	z=−1.989, p=0.047	z=−0.306, p=0.785