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

Table 4

Postural stability index during decline walking.

Degree of inclination (°)	APSI	MLSI	VSI	DPSI
	(Mean ± SD)	(Mean ± SD)	(Mean ± SD)	(Mean ± SD)
0.0	0.822 ± 0.183	0.608 ± 0.078	7.267 ± 0.623	4.725 ± 0.738
5.0	1.710 ± 0.449	0.302 ± 0.156	6.798 ± 0.527	4.501 ± 0.661
7.5	1.259 ± 0.554	1.244 ± 0.389	5.071 ± 1.022	4.401 ± 0.612
10.0	1.931 ± 0.657	0.275 ± 0.053	6.025 ± 0.188	4.475 ± 0.802