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Evaluating the Usability of Inertial Measurement Units for Measuring and Monitoring Activity Post-Stroke: A Scoping
Aishwarya Shenoy1,2,3, Manvir Singh Samra3, Karen Van Ooteghem3
1Rehabilitation Research Program of the Centre for Aging SMART, GF Strong Rehabilitation Centre, Vancouver, BC V5Z 2G9, Canada.
Sensors (Basel, Switzerland)
|June 27, 2025
Summary
Inertial measurement units (IMUs) show promise for monitoring stroke survivor activity, but usability challenges exist due to impairments. Further research should focus on user experience and engagement with IMU data.
Area of Science:
- Rehabilitation Medicine
- Biomedical Engineering
- Digital Health
Background:
- Stroke is a leading cause of adult disability, impacting daily activity levels.
- Inertial measurement units (IMUs) offer a method for monitoring patient activity in diverse environments.
- Activity monitoring can inform clinical decisions and support patient self-management strategies.
Purpose of the Study:
- To systematically review and synthesize research on the usability of IMUs for activity monitoring in individuals post-stroke.
- To identify challenges and facilitators related to IMU use in stroke rehabilitation.
Main Methods:
- A scoping review methodology was employed, adhering to PRISMA guidelines.
- Searches were conducted across MEDLINE, Embase, and CINAHL databases for relevant studies.
- Fourteen publications evaluating IMU usability for post-stroke activity monitoring were included.
Main Results:
- Most studies involved participants with chronic stroke, collecting data in real-world settings.
- While many stroke survivors and clinicians reported positive user experiences, device-related difficulties due to impairments were common.
- Limited research explored end-user interpretation and engagement with IMU-generated feedback.
Conclusions:
- IMUs are a viable tool for monitoring stroke survivor activity, but usability issues linked to impairments require attention.
- Future research must investigate participant characteristics influencing device engagement and the user experience of interpreting IMU data.
- Improved reporting of participant impairments is crucial for understanding usability findings.
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