Table 1. Summary of the descriptors used.

Abbreviation	Description
Time Domain
(ρcl)0.5	Median of the radius of the statokinesigram, during the closed eyes record (cm).
(acl)0.1	10-th percentile of the norm of the acceleration, during the close eyes record (cm.s−2).
$\mathbb{V}(y_{cl})$	Variance of the values of the antero posterior coordinate of the signal, with close eyes. (cm2)
(xc/o)0.1	Ratio (close eyes over open eyes values) of the 10-th of the values of the medio lateral coordinate of the signal. (No unit)
Sway Density
$\mathbb{V}({\overline{i}}_{op})$	Variance of the ballistic intervals of the signal, during the open eyes record. (s2)