Sensors, Volume 22, Issue 7
April-1 2022 - 396 articles
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Cover Story: Gait initiation combines motor and cognitive components of movement preparation (anticipatory postural adjustments, APAs) and execution. Parkinson's disease (PD) is a neurodegenerative disorder caused by dopamine deficiency in basal ganglia, which are essential in planning and initiating movement. In PD patients, APAs are consequently abnormal and associated with a higher risk of falling. Hence, the development of a method to identify APA deviations in PD is crucial, especially if suited for a home application. The existing gait testing systems are focused on the execution phase and make use of multiple wearable sensors; thus, their usability is limited. To overcome this, the present work validates a single sensor system for APA detection in PD, paving the way for the development of home-based tests and training exercises for dynamic balance. View this paper