Table 2.

The Avg errors, Std, Max errors, Min errors, ABS Avg, and RMS errors between SSM-based and CT-based kinematics during treadmill walking. Positive or negative values were with respect to the CT-based kinematics.

Case		Avg	Std	Max	Min	ABS Avg	RMS
Subject 1	Flexion (deg)	0.1	0.9	1.4	−1.4	0.8	0.9
	ITR (deg)	1.2	1.4	3.9	−0.4	1.4	1.8
	VAR (deg)	2.5	1.0	3.8	1.3	2.5	2.6
	ATT (mm)	−2.0	0.7	−0.8	−3.4	2.0	2.1
	MTT (mm)	0.1	0.7	1.4	−0.9	0.6	0.7
	SUP (mm)	−0.9	0.3	−0.3	−1.4	0.9	0.9
Subject 2	Flexion (deg)	1.2	1.5	3.8	−0.5	1.3	1.8
	ITR (deg)	−1.8	2.9	2.7	−6.3	2.9	3.3
	VAR (deg)	0.6	0.7	1.9	0.0	0.6	0.9
	ATT (mm)	−2.1	1.2	−0.4	−4.4	2.1	2.4
	MTT (mm)	−0.4	0.8	0.9	−1.3	0.7	0.8
	SUP (mm)	1.0	0.4	1.8	0.5	1.0	1.1
Subject 3	Flexion (deg)	−0.2	1.7	2.1	−3.6	1.3	1.6
	ITR (deg)	−3.2	2.4	1.1	−6.6	2.2	2.6
	VAR (deg)	−0.4	1.7	3.1	−3.2	1.2	1.7
	ATT (mm)	1.3	2.3	4.3	−2.4	1.9	2.3
	MTT (mm)	−0.5	2.1	3.3	−5.0	1.4	2.1
	SUP (mm)	−0.1	0.6	1.4	−0.7	0.4	0.6