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

Table 11

Reliability assessment grid.

Parameter	Reliability criteria
	Excellent	Good	Sufficient	Not acceptable
Step length and distance	ε% < 5%; (<1.56 m)	5% ≤ ε% < 10%; (1.56 ≤ ε% < 3.12 m)	10% ≤ ε% < 20%; (3.12 ≤ ε% < 1.8 m)	ε% ≥ 20%; (≥6.24 m)
Counting steps	ε% < 2%; (<1 steps)	2% ≤ ε% < 4%; (1 ≤ ε% < 2 steps)	4% ≤ ε% < 6%; (2 ≤ ε% < 3 steps)	ε% ≥ 6%; (≥3 steps)
Time	ε% < 4%; (<1.2 s)	4% ≤ ε% < 6%; (1.2 ≤ ε% < 1.8 s)	6% ≤ ε% < 8%; (1.8 ≤ ε% < 2.4 s)	ε% ≥ 8%; (≥2.4 s)