Quantification of Finger-Tapping Angle Based on Wearable Sensors
AbstractWe propose a novel simple method for quantitative and qualitative finger-tapping assessment based on miniature inertial sensors (3D gyroscopes) placed on the thumb and index-finger. We propose a simplified description of the finger tapping by using a single angle, describing rotation around a dominant axis. The method was verified on twelve subjects, who performed various tapping tasks, mimicking impaired patterns. The obtained tapping angles were compared with results of a motion capture camera system, demonstrating excellent accuracy. The root-mean-square (RMS) error between the two sets of data is, on average, below 4°, and the intraclass correlation coefficient is, on average, greater than 0.972. Data obtained by the proposed method may be used together with scores from clinical tests to enable a better diagnostic. Along with hardware simplicity, this makes the proposed method a promising candidate for use in clinical practice. Furthermore, our definition of the tapping angle can be applied to all tapping assessment systems. View Full-Text
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Djurić-Jovičić, M.; Jovičić, N.S.; Roby-Brami, A.; Popović, M.B.; Kostić, V.S.; Djordjević, A.R. Quantification of Finger-Tapping Angle Based on Wearable Sensors. Sensors 2017, 17, 203.
Djurić-Jovičić M, Jovičić NS, Roby-Brami A, Popović MB, Kostić VS, Djordjević AR. Quantification of Finger-Tapping Angle Based on Wearable Sensors. Sensors. 2017; 17(2):203.Chicago/Turabian Style
Djurić-Jovičić, Milica; Jovičić, Nenad S.; Roby-Brami, Agnes; Popović, Mirjana B.; Kostić, Vladimir S.; Djordjević, Antonije R. 2017. "Quantification of Finger-Tapping Angle Based on Wearable Sensors." Sensors 17, no. 2: 203.
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