Table 2.

X, Y, Z coordinates (mean ± SD) of the location of peak activation for the force-matching tasks

		Montreal Neurologic Institute coordinates
Task	Group	X	Y	Z
Knee	Osteoarthritis	−6.0 ± 3.7	−27.2 ± 3.0*	66.1 ± 6.8
	Control	−5.0 ± 2.8	−31.3 ± 3.4	65.3 ± 6.0
Ankle	Osteoarthritis	−4.7 ± 3.1	−30.5 ± 3.7	62.7 ± 6.1
	Control	−5.5 ± 3.4	−27.5 ± 4.0	67.0 ± 4.7
Hand	Osteoarthritis	−37.6 ± 7.9	−12.4 ± 6.4	57.4 ± 6.0
	Control	−31.2 ± 6.1	−15.6 ± 6.4	60.6 ± 7.1

*P = 0.02 for between-group comparison