- 期刊
- OpenAccess
Evaluation of Unilateral Vestibular Deficiency and Its Effect on Human Locomotion
並列摘要
The aim of this study is to use the human motion analysis methods to evaluate posture stability status of the patients with vestibular diseases. The most of the posture stability tests are based on comparison of clinical trials realized in two different conditions, i.e. with and without visual information about surrounding environment. Such tests are performed with eyes open, fixed on certain point in front of the subject, and with eyes closed. The acquired results give us opportunity to understand individual diseases of vestibular system in more details. In this pilot research, we studied kinematics of patients with unilateral vestibular deficiency. A group of healthy subjects with simulated unilateral vestibular hypo-function was also analysed to verify our assumptions. The absence of visual information caused reduction of stability, more uncoordinated movements and changes of movement velocities. The velocity of movement responses to maintain posture stability was significantly increased while the walking speed was slowed down. The first results convinced us that the vestibular diseases cause significant orientation errors and that the optical motion analysis methods offer opportunities to recognize and quantify them.
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