Navigation of a Virtual Exercise Environment with Microsoft Kinect by People Post-Stroke or With Cerebral Palsy by John Hoyle, Justin McCroskey, Lloyd Cooper, and Alan W Eberhardt in Open Access Journal of Biomedical Engineering and Biosciences (OAJBEB) in Lupine Publishers
Abstract
People with physical disabilities
have less access to exercise opportunities than their able bodied peers, which
contributes to the overall lack of physical activity noted today. In order to
help provide engaging active options for this diverse group of people, an Advanced
Virtual Exercise Environment Device was designed with adaptable components and
an integrated virtual display. Voice commands
were used and
a custom balance
sensing system was
created using Velostat
to allow users
to make choices
within a virtual environment. The voice recognition
system was tested at various background noise levels and found to be highly
accurate within standard conversational ranges for a non-impaired speaker. The
balance system was verified for an unimpaired user both while standing and
while seated in a wheelchair, though the system was much more responsive for
the standing operation mode. A user study with 19 individuals with diverse
physical disabilities was performed to obtain feedback on how the various parts
of the device functioned for a wide cross section of disabilities. The results
showed that the device was functional in all of its components. Initial
indications suggested that normal use of the device could provide enough
challenge for ardiovascular health maintenance. The device without the
accompanying virtual interface was perceived to be generally enjoyable, not
boring. Users did not dislike the experience and found it to be more engaging
with the virtual interface.
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