Fig. 2From: A new postural stability-indicator to predict the level of fear of falling in Parkinson’s disease patientsThe graphical interface of the tasks. a The LoS task, with the home position in the middle, the real-time position of the CoP was shown as a solid circle, and 8 targets located around the home position; b the interface for finding the home position, the range of movement in the four directions, and the corresponding calibration of the position of the targetsBack to article page