WIMI Hologram Academy, working in partnership with the Holographic
Science Innovation Center, has written a new technical article
describing their exploration of their application of applying VR
technology into the treatment for stroke patients' rehabilitation.
This article follows below:
VR technology is
gradually expanding its fields of application owing to its rapid
development. The integration of VR technology and the treatment in
balance function disorder, compared with conventional treatment,
demonstrates explicit advantages in the aspects of life quality,
feedback and outcomes, thus offering a promising future.
Cerebral apoplexy, also known as stroke, or
cerebral vascular accident(CVA), refers to an acute
cerebrovasculardisease lasting more than 24 hours featured with
acute or focal brain dysfunction caused by all kinds of vascular
causes(including hemorrhage and ischemia). Typically it includes
cerebral hemorrhage, cerebral infarction, subarachnoid hemorrhage
and other diseases.Scientists from WIMI Hologram Academy of WIMI
Hologram Cloud Inc. (NASDAQ: WIMI) have studied the application of
virtual reality technology in balance function disorder after
cerebral apoplexy.
Virtual reality technology uses a computer to
simulate the real world and allows the user to experience the
virtual world. Compared with traditional rehabilitation training,
virtual reality technology is fun, safe and can greatly mobilize
the patient's initiative, featuring with competitive advantage in
the rehabilitation of balance function, thus providing a new
treatment for patients' rehabilitation.
1. Characteristics of balance
function disorder after cerebral apoplexy
As one of the important physiological functions
of the human body, balance is related to posture, transfer and
motion control. From the mechanical perspective, balance means that
an object is subjected to equal forces from all directions so that
it can maintain a stable state. While for the balance of the human
body, it is more complex than the balance of objects in nature.
Balance is the ability of the body to maintain an upright standing
posture in different environments and to adjust and maintain itself
automatically when moving or subjected to external forces,
including reactions such as balance, protective stretching,
striding and jumping. Human body depends on balance in daily life,
movement and work, and the maintenance of balance is mainly
influenced by vestibular system, proprioception, vision, as well as
the brain's balancing reflex regulation and muscle strength.
Impaired balance is often characterized by unstable sitting and
standing, reduced ability in transferring and walking , and
increased risk of falls, which can seriously affect daily life and
life quality. Statistics show that in recent years, the disability
rate of stroke is high, and about 83% of them suffer from balance
function disorder, which greatly increases the burden on families
and society. Since the improvement of balance is fundamental to the
recovery of movement function and daily activities, balance
rehabilitation can be particularly important.
2. The application
of VR technology in the rehabilitation of balance function disorder
after cerebral apoplexy
2.1 Comparison between VR
technology and conventional rehabilitation
treatment
Conventional rehabilitation methods for balance
function disorder mainly involve the use of techniques or
rehabilitation equipment for gravity center transfer and movement
control exercises in different postures, as well as strengthened
sensory input through mirror therapy. While techniques such as
suspension, core training, and neuromuscular facilitation focus on
enhancing core stability and training trunk control, gravity center
transfer, and overall movement function. Neurophysiological
treatments include movement relearning training methods,
proprioceptive neuromuscular facilitation methods, etc. Although
these methods to some extent help improve patients' balance and
movement functions, the therapeutic effects depend on the
therapist's experience and skill level. While for conventional
Chinese rehabilitation therapies such as Taijiquan, Baduanjin
Exercise and Wuqinxi Exercise, they lack the necessary feedback
during training, are prone to causing abnormal movements and
injuries. And for equipment-assisted therapies, such as
transcranial magnet and balance apparatus, they featured with
single movements, lack of fun and objectivity, which make it
difficult to mobilize patients' enthusiasm and initiative.
Virtual reality technology uses computers to
synthesize 3D environment models and apply these models to create
and experience virtual worlds. It is a system simulation of
multi-source information fusion interactive of 3D dynamic visual
and physical behavior that allows users to enter virtual space and
interact with objects in the virtual world with the help of scene
displays, force/tactile sensing devices, position trackers and
other devices to create a realistic experience of being there.
Virtual reality technology mainly combines sensory interference
training and dual task training to enhance the integration of
vestibular sensory information and the organization of vestibular
center of stroke patients with hemiplegia by adding virtual reality
technology balance training, thus promoting postural stability. The
study indicated that by combining virtual reality rehabilitation
exercises with conventional rehabilitation training,
patients’ limb function, neurological function, balance
function, as well as their life quality can be effectively
improved.
2.2 The application of VR
in the rehabilitation of stroke
VR can provide various virtual
environments for patients to create immersive feelings and
experiences, while also providing technical means for
rehabilitation training with key factors such as repetitive
exercises, real-time feedback, and motivation maintenance.
Through repetitive active training in various environments and
movement relearning, it helps accelerate the
establishment of collateral circulation and improves
neurological deficits, balance function and overall movement
function. The study indicated that treatment
combined VR technology with conventional rehabilitation
training for canoe paddling exercises in subacute stroke patients
for 30 minutes per day and three times per week, significant
restoration can be seen in the pressure center of
standing balance and swing path, with better postural balance after
5 weeks of training, receiving VR training.
For another study in which chronic-phase stroke
patients underwent treadmill training in a community-based virtual
environment for 30 minutes per day, three times per week, showed
significant improvements in limb swing speed, anterior-posterior
and overall swing length after 5 weeks of training. The study
also revealed that the use of VR technology can significantly
improve Berg Balance Scale scores in patients with chronic-onset
stroke, improving both static and dynamic balance. Other studies
have also demonstrated that appling virtual reality-based training
based on conventional balance rehabilitation for 30 minutes per
day, 3 times per week for 6 weeks to patients recovering from
stroke with balance function disorder, provided visual and auditory
feedback, they are capable of shifting the weight of the limb to
the left and right side. All these results reveal that patients
given VR technology-related treatment can witness a significant
boost in balance function and postural control.
In summary, virtual reality technology is a
means of integrating visual input and movement output, which can be
widely used in the recovery of functional impairment after stroke
and is effective in improving the balance function and the ability
of daily activities of stroke patients. VR balance rehabilitation
training, based on conventional rehabilitation therapy, is more
vivid and interesting, and is conducive to better overall clinical
outcomes.
Founded in August
2020, WIMI Hologram Academy is dedicated to holographic AI
vision exploration, and conducts research on basic science and
innovative technologies, driven by human vision. The Holographic
Science Innovation Center, in partnership with WIMI
Hologram Academy, is committed to exploring the unknown
technology of holographic AI vision, attracting, gathering and
integrating relevant global resources and superior forces,
promoting comprehensive innovation with scientific and
technological innovation as the core, and carrying out basic
science and innovative technology research.
Contacts
Holographic Science Innovation Center
Email: pr@holo-science. com
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