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Medical Device Based on a Virtual Reality-Based Upper Limb Rehabilitation Software: Usability Evaluation Through

Seojin Hong¹, Hyun Choi², Hyosun Kweon¹

¹Department of Clinical Research Rehabilitation, National Rehabilitation Center, 58 Samgaksan-ro, Gangbuk-gu, Seoul, 01022, Republic of Korea, 82 02-901-1904.

JMIR Formative Research

|April 1, 2025

Summary

This study evaluated virtual reality (VR) upper-limb rehabilitation software usability for occupational therapists. Findings highlight needs for interface enhancements and clearer manuals to improve user satisfaction.

Keywords:

VR cognitive walkthrough formative evaluation limb rehabilitation medical device occupational therapy qualitative quantitative rehabilitation risk factor software therapist upper limb usability usability testing user safety virtual reality virtual reality-based upper limb rehabilitation software

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Last Updated: May 16, 2025

Author Spotlight: Rehabilitation of Stroke Patients With a Digital Occupational Training System

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Mobile Game-based Virtual Reality Program for Upper Extremity Stroke Rehabilitation

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Published on: March 8, 2018

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Published on: September 6, 2024

Area of Science:

Rehabilitation Technology
Human-Computer Interaction
Clinical Usability Engineering

Background:

Virtual reality (VR) is increasingly used in rehabilitation therapy.
VR-based upper-limb rehabilitation software requires usability evaluations for effectiveness.
User satisfaction and identification of usability issues are critical for VR software adoption.

Purpose of the Study:

Evaluate the usability of VR-based upper-limb rehabilitation software.
Identify usability challenges from the perspective of occupational therapists.
Provide insights to enhance user satisfaction with VR rehabilitation tools.

Main Methods:

Usability testing conducted with 6 occupational therapists.
Employed cognitive walkthroughs and surveys for data collection.
Simulated clinical scenarios to assess software operation and user feedback.

Main Results:

Identified areas for improvement: graphical user interface (GUI), natural user interface (NUI), and user manuals.
Average ease-of-use score for the user interface was 1.58 (1=very easy, 5=very difficult).
Qualitative insights revealed specific user difficulties and their root causes.

Conclusions:

Focusing on occupational therapists' needs is key to improving VR rehabilitation software usability.
Recommendations include GUI enhancements, NUI refinements, and improved user documentation.
Future research should address software refinement and clinical efficacy for maximized therapeutic potential.