Assessment of transfemoral amputees using a passive microprocessor-controlled knee versus an active powered microprocessor-controlled knee for level walking

Table 1 Results follow-up study, one subject measured weekly for 4 weeks while walking with the A-MPK

	Week 1		Week 2		Week 3		Week 4
	PL	SL	PL	SL	PL	SL	PL	SL
SPD (s)	0.67 (0.01)	0.84 (0.02)	0.69 (0.02)	0.84 (0.03)	0.66 (0.01)	0.82 (0.03)	0.65 (0.02)	0.90 (0.02)
ASF	0.23 (0.01)		0.19 (0.04)		0.22 (0.04)		0.31 (0.03)
KR (°)	3.35 (0.43)	14.66 (1.38)	3.69 (0.80)	13.08 (1.62)	4.03 (0.60)	12.51 (1.94)	3.88 (0.74)	11.32 (1.42)
Max HT early stance (Nm/kg)	2.42 (0.17)	2.04 (0.18)	1.81 (0.14)	1.93 (0.12)	1.64 (0.52)	2.12 (0.32)	1.84 (0.4)	1.65 (0.13)
Max HT late stance (Nm/kg)	0.85 (0.03)	0.52 (0.08)	0.72 (0.02)	0.51 (0.06)	0.65 (0.1)	0.22 (0.05)	0.49 (0.03)	0.49 (0.07)

Mean (standard deviation) of the of stance phase duration (SPD, s), asymmetry factor of stance phase duration (ASF), walking speed (WS, m/s), knee range during loading response (KR, °) and hip torque (HT, Nm/kg) during both early and late stance, for one subject measured weekly for 4 weeks while walking with the A-MPK

ISSN: 1475-925X