Quantification of Gait Stability During Incline and Decline Walking: The Responses of Required Coefficient of Friction and Dynamic Postural Index

Table 5

The RMS of COP-COM distance in AP and ML.

Degree of inclination (°)	COP-COMAP (mean ± SD)		COP-COMML (mean ± SD)
	Incline walking	Decline walking	Incline walking	Decline walking
0.0	0.192 ± 0.009	0.192 ± 0.009	0.089 ± 0.020	0.089 ± 0.020
5.0	0.204 ± 0.052	0.273 ± 0.064	0.104 ± 0.015	0.073 ± 0.023
7.5	0.158 ± 0.023	0.224 ± 0.030	0.074 ± 0.013	0.073 ± 0.023
10.0	0.183 ± 0.014	0.325 ± 0.022	0.121 ± 0.025	0.067 ± 0.009

represent significantly different in comparison to level walking with p-value <0.05.