Table 2.

Comparison of decoding results between precision and natural walking

	Subject 4 (precision walking)		Subject 4 (natural walking)		Subject 5 (precision walking)		Subject 5 (natural walking)
	r	SNR	r	SNR	r	SNR	r	SNR
Ankle
X	0.81 ± 0.02	4.71 ± 0.67	0.47 ± 0.17	−1.55 ± 4.51	0.59 ± 0.12	1.43 ± 1.74	0.77 ± 0.03	3.84 ± 0.65
Y	0.92 ± 0.009	8.13 ± 0.48	0.75 ± 0.16	3.26 ± 3.45	0.71 ± 0.17	2.64 ± 3.34	0.83 ± 0.03	4.99 ± 0.84
Z	0.92 ± 0.009	8.03 ± 0.4	0.81 ± 0.11	4.58 ± 2.99	0.73 ± 0.11	3.04 ± 2.38	0.86 ± 0.02	5.69 ± 0.55
Joint Angle	0.87 ± 0.01	6.1 ± 0.59	0.68 ± 0.13	1.79 ± 3	0.68 ± 0.11	2.19 ± 2.44	0.84 ± 0.02	5.43 ± 0.64
Ang Vel	0.81 ± 0.03	4.54 ± 0.7	0.75 ± 0.07	3.52 ± 1.43	0.67 ± 0.08	2.11 ± 2.04	0.82 ± 0.02	4.74 ± 0.68
Knee
X	0.6 ± 0.06	1.9 ± 0.66	0.37 ± 0.11	−1.03 ± 3.02	0.4 ± 0.07	0.15 ± 0.87	0.36 ± 0.04	0.04 ± 0.62
Y	0.9 ± 0.01	7.21 ± 0.6	0.74 ± 0.07	2.45 ± 2.02	0.71 ± 0.14	2.64 ± 2.61	0.82 ± 0.04	4.97 ± 1.07
Z	0.91 ± 0.005	7.71 ± 0.51	0.76 ± 0.09	3.49 ± 2.44	0.74 ± 0.08	3.12 ± 1.92	0.85 ± 0.02	5.63 ± 0.76
Joint Angle	0.92 ± 0.01	8.41 ± 0.6	0.82 ± 0.1	4.82 ± 2.82	0.75 ± 0.1	3.29 ± 2.2	0.86 ± 0.02	5.93 ± 0.59
Ang Vel	0.9 ± 0.02	7.16 ± 0.86	0.84 ± 0.04	5.23 ± 1.42	0.81 ± 0.08	4.62 ± 2.2	0.87 ± 0.02	6.22 ± 0.71
Hip
X	0.76 ± 0.04	3.68 ± 0.68	0.64 ± 0.15	0.79 ± 3.54	0.57 ± 0.08	1.05 ± 1.5	0.67 ± 0.03	2.38 ± 0.39
Y	0.82 ± 0.01	4.86 ± 0.31	0.71 ± 0.19	2.3 ± 4.05	0.72 ± 0.07	2.84 ± 1.77	0.79 ± 0.02	4.17 ± 0.61
Z	0.85 ± 0.02	5.8 ± 0.72	0.81 ± 0.09	4.64 ± 2.02	0.71 ± 0.1	2.9 ± 1.99	0.83 ± 0.03	5.1 ± 0.79
Joint Angle	0.9 ± 0.01	7.29 ± 0.6	0.82 ± 0.07	4.72 ± 1.93	0.68 ± 0.16	2.11 ± 3.16	0.81 ± 0.04	4.71 ± 1.04
Ang Vel	0.88 ± 0.006	6.56 ± 0.31	0.66 ± 0.14	1.27 ± 3.02	0.71 ± 0.13	2.77 ± 2.5	0.81 ± 0.03	4.74 ± 0.72

Values are mean ± SD correlation coefficient (r) and SNR (dB) for the prediction of different walking parameters for the best (subject 4)- and worst (subject 5)-decoded subjects under precision and natural walking.