Fig. 3From: Correlation of balance posturographic parameters during quiet standing with the berg balance scale in patients with parkinson’s diseaseLogarithmic diffusion diagrams generated by SDA analysis of a PD patient’s COP signal at the EO: (A) in the ML direction; (B) in the AP direction. SDA = Stabilogram Diffusion Analysis, ML = medial-lateral, AP = anterior-posterior, x = ML, y = AP.Back to article page