Measuring Upper-Extremity Use with One IMU

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    207 Downloads (Pure)

    Abstract

    Discharge home from hospital can be a critical stage in the rehabilitation of patients with central neurological disorders such as stroke. The new skills and early recovery achieved in the hospital may be difficult to transfer to the home environment. This work addresses the monitoring of arm usage and proposed a new metric called Weighted Activity Counts (WAC) based on a sensing system that consists of only one inertial measurement unit (IMU). The proposed metric combines activity counts and the smoothness of the movement. This work defines Normalized Gross Energy Expenditure (NGEC) as the reference metric. WAC shows good performance under the validation protocol we designed (correlation coefficient r > 0:90). The optimal placement for the single sensor which can sufficiently and reliably describe arm usage is also explored in this work.
    Original languageEnglish
    Title of host publicationBIOSIGNALS 2019 - 12th International Conference on Bio-Inspired Systems and Signal Processing, Proceedings; Part of 12th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2019
    PublisherSCITEPRESS – Science and Technology Publications
    Number of pages8
    ISBN (Electronic)9789897583537
    DOIs
    Publication statusAccepted/In press - 22 Feb 2019
    Event12th International Joint Conference on Biomedical Engineering Systems and Technologies 2019 - Vienna House Diplomat Prague, Prague, Czech Republic
    Duration: 22 Feb 201924 Feb 2019
    Conference number: 12
    http://www.biostec.org/

    Conference

    Conference12th International Joint Conference on Biomedical Engineering Systems and Technologies 2019
    Abbreviated titleBIOSTEC 2019
    Country/TerritoryCzech Republic
    CityPrague
    Period22/02/1924/02/19
    Internet address

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