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

Table 2

RCOF during initial foot contact and peak GRF for incline and decline walking.

Phase of gait cycle	Degree of inclination (°)	Incline walking	Decline walking
		RCOF (mean ± SD)	RCOF (mean ± SD)
Initial foot contact	0.0	0.192 ± 0.103	0.192 ± 0.103
	5.0	0.156 ± 0.104	0.247 ± 0.178
	7.5	0.689 ± 1.172	0.645 ± 0.298
	10.0	0.300 ± 0.175	0.456 ± 0.152
Peak GRF	0.0	0.163 ± 0.029	0.163 ± 0.029
	5.0	0.214 ± 0.079	0.129 ± 0.093
	7.5	0.246 ± 0.038	0.144 ± 0.088
	10.0	0.307 ± 0.024	0.116 ± 0.071

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