Table 1.

Postural performances of the subjects (during the initial experiment).

	Control	MAS	LAS
SURFACE AREA OF THE COP (mm2
PIS	121 ± 10 [99, 143]	97 ± 10 [74, 120]	107 ± 7 [92, 122]
NPQS	106 ± 8 [89, 123]	85 ± 4 [77, 93]	95 ± 6 [82, 109]
VARIANCE OF SPEED OF THE CoP (mm2/s2)
PIS	17 ± 2 [13, 22]	14 ± 1 [13, 16]	14 ± 1 [11, 17]
NPQS	17 ± 1 [14, 19]	15 ± 1 [13, 17]	15 ± 1 [13, 18]
MEAN Y POSITION OF THE CoP (mm)
PIS	14 ± 2 [9, 19]	11 ± 2 [7, 15]	13 ± 2 [8, 18]
NPQS	15 ± 6 [12, 18]	11 ± 1 [9, 14]	13 ± 1 [10, 15]

Means, standard errors and 95% Confidence Intervals of postural parameters for each condition.