Robotic tests for position sense and movement discrimination in the upper limb reveal that they each are highly reproducible but not correlated in healthy individuals

Table 2 APM Task Parameter Values and Inter-rater reliability

Task	Parameter	Median		Test-Retest (T1 v T2)
Task	Parameter	T1	T2	ICC (95% CI) Absolute	Correlation (r)	Sw	CR
APM Task	Absolute Error–XY (cm)	3.95	3.99	0.88 (0.74–0.95)	0.88**	0.781	2.16
	Variability–XY (cm)	2.95	2.58	0.37 (−0.09–0.63)	0.33	0.812	2.249
	Con/Exp Ratio–XY	0.95	0.99	0.86 (0.65–0.94)	0.88**	0.104	0.288
	Spatial Shift–XY (cm)	2.38	2.60	0.87 (0.72–0.95)	0.88**	0.929	2.572

ISSN: 1743-0003