Evaluation of the postural stability of elderly persons using time domain signal analysis.
To access publisher's full text version of this article. Please click on the hyperlink in Additional Links field. A force platform is widely used in the evaluation of postural stability in man. Although an abundance of parameters are typically retrieved from force platform data, no uniform anal...
Published in: | Journal of Vestibular Research |
---|---|
Main Authors: | , , , , , , , , , , , , , , , |
Other Authors: | |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
IOS Press
2013
|
Subjects: | |
Online Access: | http://hdl.handle.net/2336/301250 https://doi.org/10.3233/VES-120465 |
id |
ftlandspitaliuni:oai:www.hirsla.lsh.is:2336/301250 |
---|---|
record_format |
openpolar |
spelling |
ftlandspitaliuni:oai:www.hirsla.lsh.is:2336/301250 2023-05-15T16:51:28+02:00 Evaluation of the postural stability of elderly persons using time domain signal analysis. Rasku, Jyrki Pyykkö, Ilmari Juhola, Martti Garcia, Melissa Harris, Tamara Launer, Lenore Eiriksdottir, Gudny Siggeirsdottir, Kristin Jonsson, Palmi Hoffman, Howard J Petersen, Hannes Rasmussen, Cuno Caserotti, Paolo Toppila, Esko Pajala, Satu Gudnason, Vilmundur Department of Otorhinolaryngology, Tampere University Hospital, Tampere, Finland 2013-09-06 http://hdl.handle.net/2336/301250 https://doi.org/10.3233/VES-120465 en eng IOS Press http://dx.doi.org/10.3233/VES-120465 http://web.ebscohost.com/ehost/pdfviewer/pdfviewer?sid=4d3a9c41-dd29-41a4-843c-72eb1492f835%40sessionmgr110&vid=2&hid=127 J Vestib Res 2012, 22(5-6):243-52 1878-6464 23302705 doi:10.3233/VES-120465 http://hdl.handle.net/2336/301250 Journal of vestibular research : equilibrium & orientation Archived with thanks to Journal of vestibular research : equilibrium & orientation National Consortium - Landsaðgangur Aged 80 and over Factor Analysis Statistical Female Humans Male Postural Balance Posture Time Factors Article 2013 ftlandspitaliuni https://doi.org/10.3233/VES-120465 2022-05-29T08:21:52Z To access publisher's full text version of this article. Please click on the hyperlink in Additional Links field. A force platform is widely used in the evaluation of postural stability in man. Although an abundance of parameters are typically retrieved from force platform data, no uniform analysis of the data has been carried out. In general, the signal analysis does not analyze the underlying postural event, i.e., whether the signal consists of several small corrections or large excursions. In the present work, we studied the postural stability of 4589 elderly persons from Iceland on a force platform under visual and non-visual conditions during stance on a solid surface. We analyzed the internal relationship between frequently used time domain variables. In addition, we conducted a factor analysis using a subset of selected variables. Factor analysis yielded three components that can be considered different strategies for maintaining posture. In one control strategy, long swaying amplitues were pronounced, allowing the person to react when postural confidence limits are reached. In a second strategy, a high oscillation rate about the stationary point was the dominant characteristic of maintaining postural control. The third strategy appears to involve a short critical time period during which an open loop control changes into a closed loop that very rapidly controls excessive postural oscillations. The findings suggest that conventional parameters such as swaying velocity and amplitude alone do not provide sufficient information regarding a person's ability to maintain an upright stance. PSHP 9L080 9M083 Article in Journal/Newspaper Iceland Hirsla - Landspítali University Hospital research archive Journal of Vestibular Research 22 5-6 243 252 |
institution |
Open Polar |
collection |
Hirsla - Landspítali University Hospital research archive |
op_collection_id |
ftlandspitaliuni |
language |
English |
topic |
Aged 80 and over Factor Analysis Statistical Female Humans Male Postural Balance Posture Time Factors |
spellingShingle |
Aged 80 and over Factor Analysis Statistical Female Humans Male Postural Balance Posture Time Factors Rasku, Jyrki Pyykkö, Ilmari Juhola, Martti Garcia, Melissa Harris, Tamara Launer, Lenore Eiriksdottir, Gudny Siggeirsdottir, Kristin Jonsson, Palmi Hoffman, Howard J Petersen, Hannes Rasmussen, Cuno Caserotti, Paolo Toppila, Esko Pajala, Satu Gudnason, Vilmundur Evaluation of the postural stability of elderly persons using time domain signal analysis. |
topic_facet |
Aged 80 and over Factor Analysis Statistical Female Humans Male Postural Balance Posture Time Factors |
description |
To access publisher's full text version of this article. Please click on the hyperlink in Additional Links field. A force platform is widely used in the evaluation of postural stability in man. Although an abundance of parameters are typically retrieved from force platform data, no uniform analysis of the data has been carried out. In general, the signal analysis does not analyze the underlying postural event, i.e., whether the signal consists of several small corrections or large excursions. In the present work, we studied the postural stability of 4589 elderly persons from Iceland on a force platform under visual and non-visual conditions during stance on a solid surface. We analyzed the internal relationship between frequently used time domain variables. In addition, we conducted a factor analysis using a subset of selected variables. Factor analysis yielded three components that can be considered different strategies for maintaining posture. In one control strategy, long swaying amplitues were pronounced, allowing the person to react when postural confidence limits are reached. In a second strategy, a high oscillation rate about the stationary point was the dominant characteristic of maintaining postural control. The third strategy appears to involve a short critical time period during which an open loop control changes into a closed loop that very rapidly controls excessive postural oscillations. The findings suggest that conventional parameters such as swaying velocity and amplitude alone do not provide sufficient information regarding a person's ability to maintain an upright stance. PSHP 9L080 9M083 |
author2 |
Department of Otorhinolaryngology, Tampere University Hospital, Tampere, Finland |
format |
Article in Journal/Newspaper |
author |
Rasku, Jyrki Pyykkö, Ilmari Juhola, Martti Garcia, Melissa Harris, Tamara Launer, Lenore Eiriksdottir, Gudny Siggeirsdottir, Kristin Jonsson, Palmi Hoffman, Howard J Petersen, Hannes Rasmussen, Cuno Caserotti, Paolo Toppila, Esko Pajala, Satu Gudnason, Vilmundur |
author_facet |
Rasku, Jyrki Pyykkö, Ilmari Juhola, Martti Garcia, Melissa Harris, Tamara Launer, Lenore Eiriksdottir, Gudny Siggeirsdottir, Kristin Jonsson, Palmi Hoffman, Howard J Petersen, Hannes Rasmussen, Cuno Caserotti, Paolo Toppila, Esko Pajala, Satu Gudnason, Vilmundur |
author_sort |
Rasku, Jyrki |
title |
Evaluation of the postural stability of elderly persons using time domain signal analysis. |
title_short |
Evaluation of the postural stability of elderly persons using time domain signal analysis. |
title_full |
Evaluation of the postural stability of elderly persons using time domain signal analysis. |
title_fullStr |
Evaluation of the postural stability of elderly persons using time domain signal analysis. |
title_full_unstemmed |
Evaluation of the postural stability of elderly persons using time domain signal analysis. |
title_sort |
evaluation of the postural stability of elderly persons using time domain signal analysis. |
publisher |
IOS Press |
publishDate |
2013 |
url |
http://hdl.handle.net/2336/301250 https://doi.org/10.3233/VES-120465 |
genre |
Iceland |
genre_facet |
Iceland |
op_relation |
http://dx.doi.org/10.3233/VES-120465 http://web.ebscohost.com/ehost/pdfviewer/pdfviewer?sid=4d3a9c41-dd29-41a4-843c-72eb1492f835%40sessionmgr110&vid=2&hid=127 J Vestib Res 2012, 22(5-6):243-52 1878-6464 23302705 doi:10.3233/VES-120465 http://hdl.handle.net/2336/301250 Journal of vestibular research : equilibrium & orientation |
op_rights |
Archived with thanks to Journal of vestibular research : equilibrium & orientation National Consortium - Landsaðgangur |
op_doi |
https://doi.org/10.3233/VES-120465 |
container_title |
Journal of Vestibular Research |
container_volume |
22 |
container_issue |
5-6 |
container_start_page |
243 |
op_container_end_page |
252 |
_version_ |
1766041581195886592 |