Changes in EMG latencies during balance therapy using enhanced virtual reality with haptic floor.
Identifieur interne : 001D18 ( Main/Exploration ); précédent : 001D17; suivant : 001D19Changes in EMG latencies during balance therapy using enhanced virtual reality with haptic floor.
Auteurs : Imre Cikajlo ; Andrej Krpi ; Marta Gorišek-HumarSource :
- Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference [ 1557-170X ] ; 2013.
English descriptors
- KwdEn :
- MESH :
- methods : Electromyography.
- physiology : Muscle, Skeletal, Postural Balance.
- Biofeedback, Psychology, Female, Humans, Male, Telemetry, Virtual Reality Exposure Therapy, Young Adult.
Abstract
In the paper a research on enhanced experience of virtual reality supported balance training is presented. Haptic floor, mounted on the dynamic standing frame was used as a biofeedback at collisions in virtual environment. Electromyographic muscle activity of soleus, gastrocnemius, tibialis anterior, semimembranosus, rectus femoris, tensor fasciae latae and erector spinae at the time of onset and recovery of postural perturbation were monitored using surface electrodes. 12 neurologically intact young adults participated in the research study. The main goal was to identify the differences in postural response strategies at collisions in the virtual world w/o haptic feedback. We found more dynamic responses in all subjects when applying haptic floor, especially in the ankle complex, stabilizing the tibia at the onset of perturbation. Choosing different strategies using the haptic floor may significantly enhance the telerehabilitation experience and thus increase the effectivness of the tele-balance training. Besides telerehabilitation, such system may be also effective for postural reponse assessment and thus simplified telediagnostics. However, the findings call for further study to support the proposed proof of concept.
DOI: 10.1109/EMBC.2013.6610454
PubMed: 24110641
Affiliations:
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Le document en format XML
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<front><div type="abstract" xml:lang="en">In the paper a research on enhanced experience of virtual reality supported balance training is presented. Haptic floor, mounted on the dynamic standing frame was used as a biofeedback at collisions in virtual environment. Electromyographic muscle activity of soleus, gastrocnemius, tibialis anterior, semimembranosus, rectus femoris, tensor fasciae latae and erector spinae at the time of onset and recovery of postural perturbation were monitored using surface electrodes. 12 neurologically intact young adults participated in the research study. The main goal was to identify the differences in postural response strategies at collisions in the virtual world w/o haptic feedback. We found more dynamic responses in all subjects when applying haptic floor, especially in the ankle complex, stabilizing the tibia at the onset of perturbation. Choosing different strategies using the haptic floor may significantly enhance the telerehabilitation experience and thus increase the effectivness of the tele-balance training. Besides telerehabilitation, such system may be also effective for postural reponse assessment and thus simplified telediagnostics. However, the findings call for further study to support the proposed proof of concept.</div>
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