Which Aspects of Postural Control Differentiate between Patients with Parkinson’s Disease with and without Freezing of Gait?
Figure 4
COG pattern during mediolateral RWS. Each graph shows a representative COG movement pattern for a freezer, nonfreezer, and control participants. The vertical bars indicate the distance of the shift the participants were instructed to make and are set at 50% of the participants’ limit of stability. Panels (a), (b), and (c) show the COG pattern when a cue was given with respectively a 3 second, 2 second, and 1 second interval.