User Experience Evaluation of Upper Limb Rehabilitation Robots: Implications for Design Optimization: A Pilot Study.
Tzu-Ning Yeh1, Li-Wei Chou2,3,4
1Department of Medical Engineering and Rehabilitation Science, China Medical University, Taichung 404332, Taiwan.
Sensors (Basel, Switzerland)
|November 14, 2023
Summary
This study analyzed formative test results for upper limb rehabilitation robot design. Feedback indicates a need to optimize trajectory adjustments and the recording process for improved usability in stroke rehabilitation.
Area of Science:
- Robotics in Medicine
- Rehabilitation Engineering
- Neurorehabilitation
Background:
- Robots are increasingly used to assist in stroke rehabilitation training.
- Optimizing upper limb rehabilitation robot design is crucial for effective patient recovery.
Purpose of the Study:
- To analyze formative test results to guide the optimization of upper limb rehabilitation robot design.
- To gather initial feedback from therapists on robot safety, applicability, and ease of use.
Main Methods:
- A formative test was conducted with physical therapists (PTs) and occupational therapists (OTs) with and without prior robot operating experience.
- Data was collected using a Likert scale to assess perceptions of safety, main functions, training trajectory, and overall ease of use.
Main Results:
- Experienced therapists rated safety higher (4.5) than novice therapists (3.5).
- Scores for main function applicability were similar between groups (2.3-2.4).
- The training trajectory score was notably higher for experienced therapists (5.0) compared to novices (3.5), indicating a potential area for design improvement.
Conclusions:
- Formative test feedback highlights the need for improved trajectory retouching methods and a streamlined recording process.
- Further testing is required to confirm trajectory smoothness and optimize user interaction for enhanced stroke rehabilitation robot design.


