Table 4.

Between system comparison of CoM velocity during pushing.

CoM Velocity	Component	Mean Difference (Bias) (m·s−1)	±SD	95% LoA	R2
Unfiltered	Horizontal	−0.197	1.549	−3.235–2.841	0.01
Unfiltered	Vertical	−0.136	0.798	−1.702–1.429	0.35
Low-Pass	Horizontal	0.075	0.391	−0.692–0.842	0.40
Low-Pass	Vertical	0.027	0.369	−0.697–0.752	0.46
Kalman	Horizontal	0.020	0.370	−0.706–0.746	0.46
Kalman	Vertical	0.020	0.235	−0.421–0.461	0.58