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The effect on human balance of standing with toe-extension

BACKGROUND: Postural balance is vital for safely carrying out many daily activities, such as locomotion. The purpose of this study was to determine how changes in normal standing (NS) and standing with toe-extension (SWT) impact postural control during quiet standing. Furthermore, the research aime...

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Main Authors: Ku, P.X., Abu Osman, Noor Azuan, Yusof, A., Wan Abas, Wan Abu Bakar
Format: Article
Language:English
Published: Public Library of Science 2012
Subjects:
R Medicine
Online Access:http://eprints.um.edu.my/3629/1/1.pdf
http://eprints.um.edu.my/3629/
http://www.ncbi.nlm.nih.gov/pubmed/22848523
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spelling my.um.eprints.36292019-02-07T08:11:40Z http://eprints.um.edu.my/3629/ The effect on human balance of standing with toe-extension Ku, P.X. Abu Osman, Noor Azuan Yusof, A. Wan Abas, Wan Abu Bakar R Medicine BACKGROUND: Postural balance is vital for safely carrying out many daily activities, such as locomotion. The purpose of this study was to determine how changes in normal standing (NS) and standing with toe-extension (SWT) impact postural control during quiet standing. Furthermore, the research aimed to examine the extent to which the effect of these factors differed between genders. METHODOLOGY/PRINCIPAL FINDINGS: Thirty healthy young adults (age = 21.2±1.3 y; height = 1.63±0.07 m; mass = 56.0±9.3 kg) with no prior lower limb injuries participated in the study. A postural stability test using the Biodex Balance System was used for both NS and SWT conditions. The three measurements from the BBS were Overall Stability Index (OSI), Medial-Lateral Stability Index (MLSI) and Anterior-Posterior Stability Index (APSI). No significant difference was found between NS and SWT in the OSI, MLSI or APSI (F(2, 28) = 3.357, p = 0.077). The main difference between the stability index scores was significant (F(2, 28) = 275.1, p<0.001). The Bonferroni post-hoc test showed significant differences between the OSI and MLSI (p<0.001); the OSI and APSI (p<0.001); and the MLSI and the APSI (p<0.001). Significant differences were found during NS (p<0.001), for the MLSI when compared with the APSI, but this was not found during the SWT condition. Additionally, no gender effects were proven to exist that altered postural sway during quiet standing. CONCLUSIONS/SIGNIFICANCE: This study reveals significant interaction between the stability indices measured; OSI, APSI and MLSI in both NS and SWT. Standing with toe extended does not have a significant impact on an individual's ability to control their balance during normal quiet standing. However, the findings revealed that the sway tendency in the medial-lateral direction might serve as a factor in an individual's ability to regain balance. Public Library of Science 2012 Article PeerReviewed application/pdf en http://eprints.um.edu.my/3629/1/1.pdf Ku, P.X. and Abu Osman, Noor Azuan and Yusof, A. and Wan Abas, Wan Abu Bakar (2012) The effect on human balance of standing with toe-extension. PLoS ONE, 7 (7). ISSN 1932-6203 http://www.ncbi.nlm.nih.gov/pubmed/22848523 PMID: 22848523
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
language English
topic R Medicine
spellingShingle R Medicine
Ku, P.X.
Abu Osman, Noor Azuan
Yusof, A.
Wan Abas, Wan Abu Bakar
The effect on human balance of standing with toe-extension
description BACKGROUND: Postural balance is vital for safely carrying out many daily activities, such as locomotion. The purpose of this study was to determine how changes in normal standing (NS) and standing with toe-extension (SWT) impact postural control during quiet standing. Furthermore, the research aimed to examine the extent to which the effect of these factors differed between genders. METHODOLOGY/PRINCIPAL FINDINGS: Thirty healthy young adults (age = 21.2±1.3 y; height = 1.63±0.07 m; mass = 56.0±9.3 kg) with no prior lower limb injuries participated in the study. A postural stability test using the Biodex Balance System was used for both NS and SWT conditions. The three measurements from the BBS were Overall Stability Index (OSI), Medial-Lateral Stability Index (MLSI) and Anterior-Posterior Stability Index (APSI). No significant difference was found between NS and SWT in the OSI, MLSI or APSI (F(2, 28) = 3.357, p = 0.077). The main difference between the stability index scores was significant (F(2, 28) = 275.1, p<0.001). The Bonferroni post-hoc test showed significant differences between the OSI and MLSI (p<0.001); the OSI and APSI (p<0.001); and the MLSI and the APSI (p<0.001). Significant differences were found during NS (p<0.001), for the MLSI when compared with the APSI, but this was not found during the SWT condition. Additionally, no gender effects were proven to exist that altered postural sway during quiet standing. CONCLUSIONS/SIGNIFICANCE: This study reveals significant interaction between the stability indices measured; OSI, APSI and MLSI in both NS and SWT. Standing with toe extended does not have a significant impact on an individual's ability to control their balance during normal quiet standing. However, the findings revealed that the sway tendency in the medial-lateral direction might serve as a factor in an individual's ability to regain balance.
format Article
author Ku, P.X.
Abu Osman, Noor Azuan
Yusof, A.
Wan Abas, Wan Abu Bakar
author_facet Ku, P.X.
Abu Osman, Noor Azuan
Yusof, A.
Wan Abas, Wan Abu Bakar
author_sort Ku, P.X.
title The effect on human balance of standing with toe-extension
title_short The effect on human balance of standing with toe-extension
title_full The effect on human balance of standing with toe-extension
title_fullStr The effect on human balance of standing with toe-extension
title_full_unstemmed The effect on human balance of standing with toe-extension
title_sort effect on human balance of standing with toe-extension
publisher Public Library of Science
publishDate 2012
url http://eprints.um.edu.my/3629/1/1.pdf
http://eprints.um.edu.my/3629/
http://www.ncbi.nlm.nih.gov/pubmed/22848523
_version_ 1643687162769571840
score 13.211869

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