Measuring Upper-Extremity Use with One IMU

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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
Number of pages8
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
CountryCzech Republic
CityPrague
Period22/02/1924/02/19
Internet address

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Units of measurement
Patient rehabilitation
Recovery
Monitoring
Energy Metabolism

Cite this

Wang, H., Mohamed Refai, M. I., & van Beijnum, B. J. F. (Accepted/In press). Measuring Upper-Extremity Use with One IMU. Paper presented at 12th International Joint Conference on Biomedical Engineering Systems and Technologies 2019, Prague, Czech Republic.
Wang, Hang ; Mohamed Refai, Mohamed Irfan ; van Beijnum, Bernhard J.F. / Measuring Upper-Extremity Use with One IMU. Paper presented at 12th International Joint Conference on Biomedical Engineering Systems and Technologies 2019, Prague, Czech Republic.8 p.
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Wang, H, Mohamed Refai, MI & van Beijnum, BJF 2019, 'Measuring Upper-Extremity Use with One IMU' Paper presented at 12th International Joint Conference on Biomedical Engineering Systems and Technologies 2019, Prague, Czech Republic, 22/02/19 - 24/02/19, .

Measuring Upper-Extremity Use with One IMU. / Wang, Hang; Mohamed Refai, Mohamed Irfan; van Beijnum, Bernhard J.F.

2019. Paper presented at 12th International Joint Conference on Biomedical Engineering Systems and Technologies 2019, Prague, Czech Republic.

Research output: Contribution to conferencePaperAcademicpeer-review

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T1 - Measuring Upper-Extremity Use with One IMU

AU - Wang, Hang

AU - Mohamed Refai, Mohamed Irfan

AU - van Beijnum, Bernhard J.F.

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AB - 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.

M3 - Paper

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Wang H, Mohamed Refai MI, van Beijnum BJF. Measuring Upper-Extremity Use with One IMU. 2019. Paper presented at 12th International Joint Conference on Biomedical Engineering Systems and Technologies 2019, Prague, Czech Republic.