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An agile approach to improve the usability of a physical telerehabilitation platform
Department of Informatics and Computer Science, Escuela Politécnica Nacional, Quito, 170525, Ecuador.
Department of Informatics and Computer Science, Escuela Politécnica Nacional, Quito, 170525, Ecuador.
Department of Informatics and Computer Science, Escuela Politécnica Nacional, Quito, 170525, Ecuador.
Intelligent and Interactive Systems Lab (SI2 Lab), Universidad de Las Américas, Quito, 170125, Ecuador.
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2019 (English)In: Applied Sciences, E-ISSN 2076-3417, Vol. 9, no 3, article id 480Article in journal (Refereed) Published
Abstract [en]

The goal of a telerehabilitation platform is to safely and securely facilitate the rehabilitation of patients through the use of telecommunication technologies complemented with the use of biomedical smart sensors. The purpose of this study was to perform a usability evaluation of a telerehabilitation platform. To improve the level of usability, the researchers developed and proposed an iterative process. The platform uses a digital representation of the patient which duplicates the therapeutic exercise being executed by the patient; this is detected by a Kinect camera and sensors in real time. This study used inspection methods to perform a usability evaluation of an exploratory prototype of a telerehabilitation platform. In addition, a cognitive workload assessment was performed to complement the usability evaluation. Users were involved through all the stages of the iterative refinement process. Usability issues were progressively reduced from the first iteration to the fourth iteration according to improvements which were developed and applied by the experts. Usability issues originally cataloged as catastrophic were reduced to zero, major usability problems were reduced to ten (2.75%) and minor usability problems were decreased to 141 (38.74%). This study also intends to serve as a guide to improve the usability of e-Health systems in alignment with the software development cycle. 

Place, publisher, year, edition, pages
MDPI, 2019. Vol. 9, no 3, article id 480
Keywords [en]
exploratory prototyping, heuristic evaluation, software product quality, telemedicine, telerehabilitation, usability evaluation, user interface
National Category
Computer Systems Human Computer Interaction Software Engineering
Research subject
Interaction Lab (ILAB)
Identifiers
URN: urn:nbn:se:his:diva-16629DOI: 10.3390/app9030480ISI: 000459976200120Scopus ID: 2-s2.0-85061048407OAI: oai:DiVA.org:his-16629DiVA, id: diva2:1289161
Available from: 2019-02-15 Created: 2019-02-15 Last updated: 2019-06-11Bibliographically approved

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Citation style
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