Acute effects of a lateral postural assist on voluntary step initiation in patients with Parkinson's disease
Identifieur interne : 003032 ( Main/Exploration ); précédent : 003031; suivant : 003033Acute effects of a lateral postural assist on voluntary step initiation in patients with Parkinson's disease
Auteurs : Marie-Laure Mille [États-Unis] ; Marjorie Johnson Hilliard [États-Unis] ; Katherine M. Martinez [États-Unis] ; Tanya Simuni [États-Unis] ; Mark W. Rogers [États-Unis]Source :
- Movement Disorders [ 0885-3185 ] ; 2007-01.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Aged, Biomechanical Phenomena, Case-Control Studies, Coordination, Electromyography, Female, Gait (physiology), Human, Humans, Male, Middle Aged, Nervous system diseases, Parkinson Disease (physiopathology), Parkinson disease, Parkinson's disease, Postural Balance, Posture, Posture (physiology), Rehabilitation, coordination, postural control, rehabilitation, stepping.
- MESH :
- physiology : Gait, Posture.
- physiopathology : Parkinson Disease.
- Aged, Biomechanical Phenomena, Case-Control Studies, Electromyography, Female, Humans, Male, Middle Aged, Postural Balance.
Abstract
Anticipatory postural adjustments (APAs) for lateral weight transfer and stability precede and accompany voluntary stepping. Patients with Parkinson's disease (PD) show delays in step initiation with altered APA characteristics that may reflect impaired interactions between posture and locomotion. The purpose of this study was to examine the influence of a lateral postural assist on step initiation in patients with early stage PD while off medication and healthy controls. Subjects performed self‐paced rapid forward steps. In one condition (ASSIST), the APA was assisted at onset with a lateral pull applied to the pelvis by a motor‐driven robotic system. Ground reaction forces and whole body kinematics were recorded to characterize the APA and step characteristics. Overall, PD subjects had a longer APA duration (P < 0.01) and longer first step duration (P < 0.027) than Control subjects. With the ASSIST, the APA duration for both groups was shorter (P < 0.001), the step onset time was earlier (P < 0.001), and the speed of the first step became faster for PD subjects. Postural assistance affecting the interaction between posture and locomotion may have therapeutic potential for improving movement function in patients with PD. © 2006 Movement Disorder Society
Url:
DOI: 10.1002/mds.21139
Affiliations:
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Le document en format XML
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Disord.</title><idno type="ISSN">0885-3185</idno><idno type="eISSN">1531-8257</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="2007-01">2007-01</date><biblScope unit="vol">22</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="20">20</biblScope><biblScope unit="page" to="27">27</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">3DA6D078EB5FE1493153F5EDD24340F998A973CD</idno><idno type="DOI">10.1002/mds.21139</idno><idno type="ArticleID">MDS21139</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Biomechanical Phenomena</term><term>Case-Control Studies</term><term>Coordination</term><term>Electromyography</term><term>Female</term><term>Gait (physiology)</term><term>Human</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Nervous system diseases</term><term>Parkinson Disease (physiopathology)</term><term>Parkinson disease</term><term>Parkinson's disease</term><term>Postural Balance</term><term>Posture</term><term>Posture (physiology)</term><term>Rehabilitation</term><term>coordination</term><term>postural control</term><term>rehabilitation</term><term>stepping</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Gait</term><term>Posture</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Parkinson Disease</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Biomechanical Phenomena</term><term>Case-Control Studies</term><term>Electromyography</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Postural Balance</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Coordination</term><term>Homme</term><term>Parkinson maladie</term><term>Posture</term><term>Réhabilitation</term><term>Système nerveux pathologie</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Homme</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Anticipatory postural adjustments (APAs) for lateral weight transfer and stability precede and accompany voluntary stepping. Patients with Parkinson's disease (PD) show delays in step initiation with altered APA characteristics that may reflect impaired interactions between posture and locomotion. The purpose of this study was to examine the influence of a lateral postural assist on step initiation in patients with early stage PD while off medication and healthy controls. Subjects performed self‐paced rapid forward steps. In one condition (ASSIST), the APA was assisted at onset with a lateral pull applied to the pelvis by a motor‐driven robotic system. Ground reaction forces and whole body kinematics were recorded to characterize the APA and step characteristics. Overall, PD subjects had a longer APA duration (P < 0.01) and longer first step duration (P < 0.027) than Control subjects. With the ASSIST, the APA duration for both groups was shorter (P < 0.001), the step onset time was earlier (P < 0.001), and the speed of the first step became faster for PD subjects. Postural assistance affecting the interaction between posture and locomotion may have therapeutic potential for improving movement function in patients with PD. © 2006 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Illinois</li></region></list><tree><country name="États-Unis"><region name="Illinois"><name sortKey="Mille, Marie Aure" sort="Mille, Marie Aure" uniqKey="Mille M" first="Marie-Laure" last="Mille">Marie-Laure Mille</name></region><name sortKey="Johnson Hilliard, Marjorie" sort="Johnson Hilliard, Marjorie" uniqKey="Johnson Hilliard M" first="Marjorie" last="Johnson Hilliard">Marjorie Johnson Hilliard</name><name sortKey="Martinez, Katherine M" sort="Martinez, Katherine M" uniqKey="Martinez K" first="Katherine M." last="Martinez">Katherine M. Martinez</name><name sortKey="Rogers, Mark W" sort="Rogers, Mark W" uniqKey="Rogers M" first="Mark W." last="Rogers">Mark W. Rogers</name><name sortKey="Rogers, Mark W" sort="Rogers, Mark W" uniqKey="Rogers M" first="Mark W." last="Rogers">Mark W. Rogers</name><name sortKey="Simuni, Tanya" sort="Simuni, Tanya" uniqKey="Simuni T" first="Tanya" last="Simuni">Tanya Simuni</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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