... the decline in the integrity of many postural regulating systems [14-16], butits effect on the sensory inputs recalibration processremains to be determined. One question of interest iswhether ... stability depends on the characteristics of the visual environment, and of the sup-port surface, including the size of the base of support, itsrigidity or compliance [12,13]. Within physiological ... segmental reflexes organized at the level of the spinal cord, but rather depend on the integration of proprioceptive, visual and vestibular information at manylevels of the neuraxis [5-7]. Head-based...