Table 4.

Overview of the intraclass correlation (ICC) for the spatio-temporal gait parameters for five healthy subjects (n = 10 legs). Shown are the reliability of a single measurement ICC(2,1) and the reliability of the average measurement ICC(2,k) with $k=3$ repeated (test–retest) measurements.

	Sensor System		Camera System
	ICC(2,1)	ICC(2,k)	ICC(2,1)	ICC(2,k)
Stride time (s)
fast	0.89	0.96	0.91	0.97
normal	0.92	0.97	0.91	0.97
slow	0.94	0.98	0.93	0.98
Stance time (s)
fast	0.87	0.95	0.89	0.96
normal	0.90	0.97	0.92	0.97
slow	0.94	0.98	0.91	0.97
Swing time (s)
fast	0.92	0.97	0.83	0.94
normal	0.92	0.97	0.81	0.93
slow	0.86	0.95	0.88	0.96
Stride length (m)
fast	0.87	0.95	0.87	0.95
normal	0.81	0.93	0.83	0.94
slow	0.87	0.95	0.92	0.97
Velocity (m/s)
fast	0.75	0.90	0.72	0.88
normal	0.78	0.92	0.74	0.89
slow	0.55	0.79	0.55	0.79