Fig. 1From: Fractal properties of postural sway during quiet stance with changed visual and proprioceptive inputsSchematic of posturographic platform. 1 Basis, 2 moving face plate, 3 position sensitive photodetector (PSD), 4 light source, 5 moving small plate, 6 and 7 moving couplings, 8 arms, 9 electrodes, 10 amplifier, 11 analog-digital converter, 12 personal computerBack to article page