Asymmetry in walking performance and postural sway in patients with chronic unilateral cerebral infarction.
Identifieur interne : 001582 ( Main/Exploration ); précédent : 001581; suivant : 001583Asymmetry in walking performance and postural sway in patients with chronic unilateral cerebral infarction.
Auteurs : E B Titianova [Bulgarie] ; I M TarkkaSource :
- Journal of rehabilitation research and development [ 0748-7711 ] ; 1995.
Descripteurs français
- KwdFr :
- MESH :
- physiologie : Démarche, Posture.
- physiopathologie : Hémiplégie, Infarctus cérébral.
- Adulte, Adulte d'âge moyen, Femelle, Humains, Maladie chronique, Mâle, Sujet âgé.
English descriptors
- KwdEn :
- MESH :
- physiology : Gait, Posture.
- physiopathology : Cerebral Infarction, Hemiplegia.
- Adult, Aged, Chronic Disease, Female, Humans, Male, Middle Aged.
Abstract
The asymmetrical nature of hemiparetic gait is well known; however, the role of walking asymmetry for speed performance is unclear. The purpose of the present study was to determine whether the range of walking speeds in chronic hemiparetic patients is associated with their gait asymmetry and postural sway. Twenty ambulatory patients with chronic unilateral supratentorial infarction were studied. Foot-ground contact patterns during swing and stance phases at various self-selected walking speeds were analyzed. The magnitude and direction of asymmetry in durations of stride phases were evaluated and compared with healthy subjects. Posturographic studies were performed to estimate the postural sway during quiet standing. Hemiparetic patients walked slower, more asymmetrically, and swayed more laterally favoring their nonaffected leg than did healthy persons. Although there was variability in durations of stride phases when comparing the two sides, a prolonged swing on the affected side and a prolonged stance on the nonaffected side were observed in all patients. The magnitude of asymmetry in stride phases varied among the patients; however, it was significantly higher than in controls (p < 0.03). Increased mean lateral sway during quiet standing was indicative of restricted velocity performance during walking. Patients with higher swing asymmetry achieved their maximum speed performance at lower velocity levels. However, the ability of patients to ambulate with a number of self-selected speeds was not associated with the magnitude of their overall gait asymmetry. Patients with right hemisphere lesions appeared to have less ambulatory ability than patients with left hemisphere lesions.
PubMed: 8592295
Affiliations:
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The purpose of the present study was to determine whether the range of walking speeds in chronic hemiparetic patients is associated with their gait asymmetry and postural sway. Twenty ambulatory patients with chronic unilateral supratentorial infarction were studied. Foot-ground contact patterns during swing and stance phases at various self-selected walking speeds were analyzed. The magnitude and direction of asymmetry in durations of stride phases were evaluated and compared with healthy subjects. Posturographic studies were performed to estimate the postural sway during quiet standing. Hemiparetic patients walked slower, more asymmetrically, and swayed more laterally favoring their nonaffected leg than did healthy persons. Although there was variability in durations of stride phases when comparing the two sides, a prolonged swing on the affected side and a prolonged stance on the nonaffected side were observed in all patients. The magnitude of asymmetry in stride phases varied among the patients; however, it was significantly higher than in controls (p < 0.03). Increased mean lateral sway during quiet standing was indicative of restricted velocity performance during walking. Patients with higher swing asymmetry achieved their maximum speed performance at lower velocity levels. However, the ability of patients to ambulate with a number of self-selected speeds was not associated with the magnitude of their overall gait asymmetry. Patients with right hemisphere lesions appeared to have less ambulatory ability than patients with left hemisphere lesions.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">8592295</PMID><DateCompleted><Year>1996</Year><Month>04</Month><Day>01</Day></DateCompleted><DateRevised><Year>2006</Year><Month>11</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0748-7711</ISSN><JournalIssue CitedMedium="Print"><Volume>32</Volume><Issue>3</Issue><PubDate><Year>1995</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Journal of rehabilitation research and development</Title><ISOAbbreviation>J Rehabil Res Dev</ISOAbbreviation></Journal><ArticleTitle>Asymmetry in walking performance and postural sway in patients with chronic unilateral cerebral infarction.</ArticleTitle><Pagination><MedlinePgn>236-44</MedlinePgn></Pagination><Abstract><AbstractText>The asymmetrical nature of hemiparetic gait is well known; however, the role of walking asymmetry for speed performance is unclear. The purpose of the present study was to determine whether the range of walking speeds in chronic hemiparetic patients is associated with their gait asymmetry and postural sway. Twenty ambulatory patients with chronic unilateral supratentorial infarction were studied. Foot-ground contact patterns during swing and stance phases at various self-selected walking speeds were analyzed. The magnitude and direction of asymmetry in durations of stride phases were evaluated and compared with healthy subjects. Posturographic studies were performed to estimate the postural sway during quiet standing. Hemiparetic patients walked slower, more asymmetrically, and swayed more laterally favoring their nonaffected leg than did healthy persons. Although there was variability in durations of stride phases when comparing the two sides, a prolonged swing on the affected side and a prolonged stance on the nonaffected side were observed in all patients. The magnitude of asymmetry in stride phases varied among the patients; however, it was significantly higher than in controls (p < 0.03). Increased mean lateral sway during quiet standing was indicative of restricted velocity performance during walking. Patients with higher swing asymmetry achieved their maximum speed performance at lower velocity levels. However, the ability of patients to ambulate with a number of self-selected speeds was not associated with the magnitude of their overall gait asymmetry. Patients with right hemisphere lesions appeared to have less ambulatory ability than patients with left hemisphere lesions.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Titianova</LastName><ForeName>E B</ForeName><Initials>EB</Initials><AffiliationInfo><Affiliation>Department of Neurology, Medical University, Sofia, Bulgaria.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Tarkka</LastName><ForeName>I M</ForeName><Initials>IM</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>J Rehabil Res Dev</MedlineTA><NlmUniqueID>8410047</NlmUniqueID><ISSNLinking>0748-7711</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000328" MajorTopicYN="N">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000368" MajorTopicYN="N">Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002544" MajorTopicYN="N">Cerebral Infarction</DescriptorName><QualifierName UI="Q000503" MajorTopicYN="Y">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002908" MajorTopicYN="N">Chronic Disease</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005684" MajorTopicYN="N">Gait</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006429" MajorTopicYN="N">Hemiplegia</DescriptorName><QualifierName UI="Q000503" MajorTopicYN="Y">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008875" MajorTopicYN="N">Middle Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011187" MajorTopicYN="N">Posture</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1995</Year><Month>10</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1995</Year><Month>10</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1995</Year><Month>10</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">8592295</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Bulgarie</li></country><region><li>Sofia-ville (oblast)</li></region><settlement><li>Sofia</li></settlement></list><tree><noCountry><name sortKey="Tarkka, I M" sort="Tarkka, I M" uniqKey="Tarkka I" first="I M" last="Tarkka">I M Tarkka</name></noCountry><country name="Bulgarie"><region name="Sofia-ville (oblast)"><name sortKey="Titianova, E B" sort="Titianova, E B" uniqKey="Titianova E" first="E B" last="Titianova">E B Titianova</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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