Effects of an active prosthetic ankle during ambulation on stairs and ramps

Table 1 Average data (mean± std) of knee extension and knee extensor moments during ambulation on the stair and the ramp for N = 10

	Adaptation	Stair ascend	Stair descend	Ramp ascend	Ramp descend
Knee extension [deg]	ON	0.2 ± 7.9 *	-10.7 ± 4.9 *	-14.2 ± 5.4 **	-13.0 ± 3.2 *
	OFF	2.9 ± 9.7 *	-7.5 ± 5.9 *	-18.2 ± 4.1 **	-13.7 ± 4.1 *
(p-value)		(p < 0.05)	(p < 0.05)	(p < 0.002)	(p = 0.358)
Knee extending moments [Nm/kg]	ON	0.3 ± 0.2 *	0.0 ± 0.2 *	0.6 ± 4.2 *	-0.2 ± 0.1 *
	OFF	0.4 ± 0.2 *	0.1 ± 0.2 *	0.8 ± 2.2 *	-0.2 ± 0.2 *
(p-value)		(p < 0.002)	(p = 0.194)	(p < 0.02)	(p = 0.158)

ISSN: 1757-1146