Method for Wearable Kinematic Gait Analysis Using a Harmonic Oscillator Applied to the Center of Mass

Table 6

Data of walking time, step frequency and stride frequency: mean and standard deviation using the processing methods A and B.

Parameter	Reference	Model	Operator	Model accuracy error %		Reliability
				Relative	Absolute
Walking time (s)	Self-selected	30.5 ± 1.9	30.4 ± 2.0	0.48 ± 0.64	0.64 ± 0.47	E
Method A: step frequency (step/s)	1.71	1.75 ± 0.12	1.76 ± 0.12	2.62 ± 1.97	2.62 ± 1.97	G
Method A: stride frequency (stride/s)	0.85	0.88 ± 0.06	0.88 ± 0.06	2.62 ± 1.97	2.62 ± 1.97	G
Method B: step frequency (step/s)	1.71	1.71 ± 0.11	1.72 ± 0.11	0.00 ± 0.00	0.00 ± 0.00	E
Method B: stride frequency (stride/s)	0.85	0.85 ± 0.05	0.86 ± 0.05	0.00 ± 0.00	0.00 ± 0.00	E