{"title":"Evaluation postural stability using complex-valued data Fourier analysis of the follow-up posturographic trajectories","authors":"Z. Kidoń, J. Fiolka","doi":"10.23919/SPA.2018.8563273","DOIUrl":null,"url":null,"abstract":"Posturography is a non-invasive diagnostic method that is used to assess an individual's ability to maintain balance. The main types of posturography are static, dynamic and follow-up posturography. During a follow-up posturography examination, a patient stands on a force platform that is equipped with a monitor. The individual is supposed to balance the body in such a way that the Center of Pressure (CoP) point (presented on a computer screen) coincides with the circle trajectory of a moving visual stimulus. The response to such stimulation provides valuable information about the ability of an individual to maintain their balance. The paper proposes a method, which is based on a Fourier analysis of complex-valued data, that is used to parameterise the posturographic trajectory that is obtained during a follow-up examination. The usefulness of the presented postural stability measures was confirmed by tests that were performed in a group of 30 individuals.","PeriodicalId":265587,"journal":{"name":"2018 Signal Processing: Algorithms, Architectures, Arrangements, and Applications (SPA)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 Signal Processing: Algorithms, Architectures, Arrangements, and Applications (SPA)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.23919/SPA.2018.8563273","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
Posturography is a non-invasive diagnostic method that is used to assess an individual's ability to maintain balance. The main types of posturography are static, dynamic and follow-up posturography. During a follow-up posturography examination, a patient stands on a force platform that is equipped with a monitor. The individual is supposed to balance the body in such a way that the Center of Pressure (CoP) point (presented on a computer screen) coincides with the circle trajectory of a moving visual stimulus. The response to such stimulation provides valuable information about the ability of an individual to maintain their balance. The paper proposes a method, which is based on a Fourier analysis of complex-valued data, that is used to parameterise the posturographic trajectory that is obtained during a follow-up examination. The usefulness of the presented postural stability measures was confirmed by tests that were performed in a group of 30 individuals.