Fig. 2From: Evaluation of tremor interference with control of voluntary reaching movements in patients with Parkinson’s diseaseHand trajectories of reaching movements in a control and a PD subject respectively. In this figure, (a) and (b) display the recorded hand path trajectory and the MJT of one trial for a control and a PD subject. The arrow points to the direction of movement. (c) and (d) show the recorded hand path trajectory and the end-point error of all trials for a control and a PD subjectBack to article page