Usability study of a multicomponent exergame training for older adults with mobility limitations
Article [Version of Record]
Is part of
International journal of environmental research and public health ; vol. 18, no. 24.Publisher(s)
MDPIAuthor(s)
Abstract(s)
The global population aged 60 years and over rises due to increasing life expectancy. More
older adults suffer from “geriatric giants”. Mobility limitations, including immobility and instability,
are usually accompanied by physical and cognitive decline, and can be further associated with gait
changes. Improvements in physical and cognitive functions can be achieved with virtual reality
exergame environments. This study investigated the usability of the newly developed VITAAL
exergame in mobility-impaired older adults aged 60 years and older. Usability was evaluated with
a mixed-methods approach including a usability protocol, the System Usability Scale, and a guidelinebased interview. Thirteen participants (9 female, 80.5 ± 4.9 years, range: 71–89) tested the exergame
and completed the measurement. The System Usability Scale was rated in a marginal acceptability
range (58.3 ± 16.5, range: 30–85). The usability protocol and the guideline-based interview revealed
general positive usability. The VITAAL exergame prototype received positive feedback and can be
considered usable by older adults with mobility limitations. However, minor improvements to the
system in terms of design, instructions, and technical aspects should be taken into account. The
results warrant testing of the feasibility of the adapted multicomponent VITAAL exergame, and
its effects on physical and cognitive functions, in comparison with conventional training, should
be studied.