TABLE 2.

Lower extremity joint position errors and LOS measures between FMS and healthy participants.

Variables	Variables	FMS participants (n = 54) (mean ± SD)	Healthy controls (n = 54) (mean ± SD)	Mean difference	Effect size. (Cohen’s d)	p-value
Lower extremity JRS variables	Hip JRS (°)	4.5 ± 1.7	2.0 ± 0.9	2.5	1.86	<0.001
	Knee JRS (°)	3.9 ± 1.8	1.5 ± 0.7	2.5	1.80	<0.001
	Ankle JRS (°)	3.3 ± 1.1	1.1 ± 1.3	2.2	1.87	<0.001
Postural stability variables	Reaction time (s)	1.86 ± 0.37	0.89 ± 0.12	0.97	3.53	<0.001
	Maximum excursion (%)	6.23 ± 1.23	9.67 ± 1.34	−3.44	−2.67	<0.001
	Direction control (%)	69.99 ± 8.88	92.63 ± 2.45	−22.64	−3.48	<0.001

FMS, fibromyalgia syndrome; JRS, joint reposition sense; CI, confidence interval.