MovDisordV3, Ncbi, Merge, bibRecord, 004905

The initiation of normal walking.

Identifieur interne : 004905 ( Ncbi/Merge ); précédent : 004904; suivant : 004906

The initiation of normal walking.

Auteurs : R J Elble ; C. Moody ; K. Leffler ; R. Sinha

Source :

Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 1994.

RBID : pubmed:8196674

English descriptors

KwdEn :
- Adolescent, Adult, Aged, Aged, 80 and over, Aging (physiology), Biomechanical Phenomena, Electromyography, Female, Gait (physiology), Humans, Locomotion (physiology), Male, Middle Aged, Posture (physiology), Reaction Time (physiology), Reference Values, Stereotyped Behavior (physiology), Walking (physiology), Weight-Bearing (physiology).
MESH :
- physiology : Aging, Gait, Locomotion, Posture, Reaction Time, Stereotyped Behavior, Walking, Weight-Bearing.
- Adolescent, Adult, Aged, Aged, 80 and over, Biomechanical Phenomena, Electromyography, Female, Humans, Male, Middle Aged, Reference Values.

Abstract

Lower extremity electromyograms (EMGs), ground reaction forces, and body motion were measured during the brisk initiation of forward walking performed by 12 healthy adults, aged 20 to 82 years. Gait was initiated 20 times in response to a visual cue. During gait initiation, the body rotated about the ankles like a flexible inverted pendulum. The muscles of the lower extremities were activated stereotypically so as to create moments of force about the ankles that propelled the body toward the stance foot and into forward motion. All volunteers exhibited similar patterns of gait initiation, which were so reproducible that computer averaging of multiple steps by each person was possible. Gait initiation is a stereotyped sequence of postural shifts that culminates in a forward step. Disturbances of gait initiation could result from abnormalities in postural control, movement, or their integration.

DOI: 10.1002/mds.870090203
PubMed: 8196674

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pubmed:8196674

Le document en format XML

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<author><name sortKey="Elble, R J" sort="Elble, R J" uniqKey="Elble R" first="R J" last="Elble">R J Elble</name>
<affiliation><nlm:affiliation>Center for Alzheimer Disease and Related Disorders, Southern Illinois University, School of Medicine, Springfield.</nlm:affiliation>
<wicri:noCountry code="subField">Springfield</wicri:noCountry>
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<author><name sortKey="Moody, C" sort="Moody, C" uniqKey="Moody C" first="C" last="Moody">C. Moody</name>
</author>
<author><name sortKey="Leffler, K" sort="Leffler, K" uniqKey="Leffler K" first="K" last="Leffler">K. Leffler</name>
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<author><name sortKey="Sinha, R" sort="Sinha, R" uniqKey="Sinha R" first="R" last="Sinha">R. Sinha</name>
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<term>Aged, 80 and over</term>
<term>Aging (physiology)</term>
<term>Biomechanical Phenomena</term>
<term>Electromyography</term>
<term>Female</term>
<term>Gait (physiology)</term>
<term>Humans</term>
<term>Locomotion (physiology)</term>
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<term>Reaction Time (physiology)</term>
<term>Reference Values</term>
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<term>Stereotyped Behavior</term>
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<term>Adult</term>
<term>Aged</term>
<term>Aged, 80 and over</term>
<term>Biomechanical Phenomena</term>
<term>Electromyography</term>
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<front><div type="abstract" xml:lang="en">Lower extremity electromyograms (EMGs), ground reaction forces, and body motion were measured during the brisk initiation of forward walking performed by 12 healthy adults, aged 20 to 82 years. Gait was initiated 20 times in response to a visual cue. During gait initiation, the body rotated about the ankles like a flexible inverted pendulum. The muscles of the lower extremities were activated stereotypically so as to create moments of force about the ankles that propelled the body toward the stance foot and into forward motion. All volunteers exhibited similar patterns of gait initiation, which were so reproducible that computer averaging of multiple steps by each person was possible. Gait initiation is a stereotyped sequence of postural shifts that culminates in a forward step. Disturbances of gait initiation could result from abnormalities in postural control, movement, or their integration.</div>
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<Title>Movement disorders : official journal of the Movement Disorder Society</Title>
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<ArticleTitle>The initiation of normal walking.</ArticleTitle>
<Pagination><MedlinePgn>139-46</MedlinePgn>
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<Abstract><AbstractText>Lower extremity electromyograms (EMGs), ground reaction forces, and body motion were measured during the brisk initiation of forward walking performed by 12 healthy adults, aged 20 to 82 years. Gait was initiated 20 times in response to a visual cue. During gait initiation, the body rotated about the ankles like a flexible inverted pendulum. The muscles of the lower extremities were activated stereotypically so as to create moments of force about the ankles that propelled the body toward the stance foot and into forward motion. All volunteers exhibited similar patterns of gait initiation, which were so reproducible that computer averaging of multiple steps by each person was possible. Gait initiation is a stereotyped sequence of postural shifts that culminates in a forward step. Disturbances of gait initiation could result from abnormalities in postural control, movement, or their integration.</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Elble</LastName>
<ForeName>R J</ForeName>
<Initials>RJ</Initials>
<AffiliationInfo><Affiliation>Center for Alzheimer Disease and Related Disorders, Southern Illinois University, School of Medicine, Springfield.</Affiliation>
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<MeshHeading><DescriptorName MajorTopicYN="N" UI="D008875">Middle Aged</DescriptorName>
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<QualifierName MajorTopicYN="N" UI="Q000502">physiology</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D011930">Reaction Time</DescriptorName>
<QualifierName MajorTopicYN="N" UI="Q000502">physiology</QualifierName>
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<MeshHeading><DescriptorName MajorTopicYN="N" UI="D012016">Reference Values</DescriptorName>
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	Movement Disorders (revue)
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Movement Disorders (revue)

The initiation of normal walking.

The initiation of normal walking.

Source :

English descriptors

Abstract

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