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http://yadda.icm.edu.pl:80/baztech/element/bwmeta1.element.baztech-14039c41-f7b8-4d85-bfb6-b6f93463b210

Czasopismo

Acta of Bioengineering and Biomechanics

Tytuł artykułu

Influence of changing frequency and various sceneries on stabilometric parameters and on the effect of adaptation in an immersive 3D virtual environment

Autorzy Jurkojc, J.  Wodarski, P.  Bieniek, A.  Gzik, M.  Michnik, R. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
Abstrakty
EN Purpose: The aim of the study was to examine the influence of different types of virtual sceneries and frequencies of movement of visual disturbances on stabilometric values as well as whether individual sceneries and changing frequency can minimize effect of adaptation of tested person to applied disturbances. Methods: There were 23 healthy participants. A person has been standing on a Zebris stabilometric platform. Virtual 3D environment was displayed by means of HMD Oculus Rift system. An open (a meadow) and closed (a room) sceneries were used. The sceneries moved along the sagittal axis and rotated around horizontal axis. The measurement lasted 30 seconds and in the middle of it frequency of translational movement was changed from 0.7 Hz to 1.4 Hz or from 1.4 Hz to 0.7 Hz. Results: The data were reported as medians of COP velocity and ellipse area. Visual disturbances caused the increase of these values in comparison with the tests conducted with open eyes. Results divided into periods (the first and the second 15 seconds) showed that in the first half of the test values were higher compared to the second half. The comparison of values obtained for open and closed scenery showed that higher values were recorded for open scenery. Conclusions: The comparison of both types of sceneries on the basis of COP velocity and ellipse area showed that open scenery had a greater impact on the measured stabilometric values. It was found out as well that people got accustomed to the applied disturbances, but this effect was lower in the open scenery.
Słowa kluczowe
PL wirtualna rzeczywistość   stabilografia   3D  
EN virtual reality   balance control   center of pressure   posturography   3D  
Wydawca Oficyna Wydawnicza Politechniki Wrocławskiej
Czasopismo Acta of Bioengineering and Biomechanics
Rocznik 2017
Tom Vol. 19, nr 3
Strony 129--137
Opis fizyczny Bibliogr. 25 poz., rys., tab., wykr.
Twórcy
autor Jurkojc, J.
autor Wodarski, P.
  • Silesian University of Technology, Department of Biomechatronics, Poland
autor Bieniek, A.
  • Silesian University of Technology, Department of Biomechatronics, Poland
autor Gzik, M.
  • Silesian University of Technology, Department of Biomechatronics, Poland
autor Michnik, R.
Bibliografia
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Kolekcja BazTech
Identyfikator YADDA bwmeta1.element.baztech-14039c41-f7b8-4d85-bfb6-b6f93463b210
Identyfikatory
DOI 10.5277/ABB-00784-2016-02