| Transversus abdominis: changes in thickness during the unsupported upper limb exercise test in older adults. | |
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MedLine Citation:
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PMID: 19925260 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Novel, short-lived upper limb tasks performed by young adults have been used to investigate the role of transversus abdominis (TrA) in maintaining postural stability. Little information exists concerning the behaviour of TrA in older adults during protracted postural challenges. The primary aim of this study was to describe the change in thickness of TrA during an incremental upper limb exercise test in older adults. A secondary analysis was undertaken to compare the results between younger and older subjects. Healthy subjects aged between 40 and 70 years performed the Unsupported Upper Limb Exercise Test (UULEX) while activity of TrA was continuously monitored by using rehabilitative ultrasound imaging. Changes in muscle dimensions were measured every minute during the test. The thickness of TrA increased significantly and exponentially between minutes 8 and 13 of the UULEX. Although there was a significant difference between older and younger subjects in absolute measures of TrA thickness, the change in TrA thickness as a percentage of resting thickness during the UULEX demonstrated an identical pattern between younger and older subjects. This study suggests that TrA is continually and increasingly active during an upper limb task in both younger and older asymptomatic subjects. |
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Authors:
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Ian Fulton; Maureen McEvoy; John Pieterse; Marie Williams; Kerry Thoirs; John Petkov |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Physiotherapy theory and practice Volume: 25 ISSN: 1532-5040 ISO Abbreviation: Physiother Theory Pract Publication Date: 2009 Nov |
Date Detail:
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Created Date: 2009-11-20 Completed Date: 2010-02-04 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9015520 Medline TA: Physiother Theory Pract Country: England |
Other Details:
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Languages: eng Pagination: 523-32 Citation Subset: IM |
Affiliation:
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School of Health Sciences, University of South Australia, Adelaide, South Australia, Australia. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Abdominal Muscles
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physiology*,
ultrasonography Exercise Test Female Humans Male Middle Aged Upper Extremity / physiology* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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