Fig. 2From: Controlling a motorized orthosis to follow elbow volitional movement: tests with individuals with pathological tremorTremor motion related measures. a Tremor power change and b MO tremor fundumental frequency (from PSD) when performing the pursuit tracking tasks. The dotted horizontal lines in a and b indicate the participants’ mean. The scatter plots are composed of four unique markers associated with the four motion cases of the pursuit tracking experiment, namely sine slow (ss), sine fast (sf), random slow (rs) and random fast (rf)Back to article page