Lateral leg raising in patients with Parkinson's disease: influence of equilibrium constraint.
Identifieur interne : 000336 ( Ncbi/Checkpoint ); précédent : 000335; suivant : 000337Lateral leg raising in patients with Parkinson's disease: influence of equilibrium constraint.
Auteurs : I. Tonolli [France] ; R. Aurenty ; R G Lee ; F. Viallet ; J. MassionSource :
- Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 2000.
English descriptors
- KwdEn :
- MESH :
- physiopathology : Gait Disorders, Neurologic, Parkinson Disease.
- Aged, Biomechanical Phenomena, Case-Control Studies, Humans, Leg, Male, Middle Aged, Movement, Postural Balance, Posture.
Abstract
Patients with Parkinson's disease often have difficulty maintaining postural stability. This impairment is attributed to postural adjustment deficits. We studied the postural adjustments associated with the performance of two complex tasks which differed only in the final equilibrium constraints. Ten patients with Parkinson's disease and six age-matched control subjects were asked to raise one leg laterally to an abduction angle of approximately 45 degrees as fast as possible to the right or left in random order. In the first series of tests, the subjects were instructed to maintain the leg at 45 degrees, whereas in the second series they were instructed to place their foot back on the ground. Recordings included ground reaction forces and kinematics. In the patients with Parkinson's disease the final posture for the first task was never maintained. The strategy used to shift the body weight was different for the two groups. In control subjects, it was initiated by a whole body rotation around the ankle followed by a trunk inclination around the hip. Conversely, in patients with Parkinson's disease, the shift of the body weight was initiated by a trunk inclination around the hip and then by a whole body rotation around the ankle. The amplitude of the trunk inclination toward the supporting side was smaller than in the control subjects. The second task with less severe equilibrium constraints was, on the whole, better performed by the patients even though the same postural adjustment deficits were present.
PubMed: 11009190
Affiliations:
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Viallet</name></author><author><name sortKey="Massion, J" sort="Massion, J" uniqKey="Massion J" first="J" last="Massion">J. Massion</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2000">2000</date><idno type="RBID">pubmed:11009190</idno><idno type="pmid">11009190</idno><idno type="wicri:Area/PubMed/Corpus">003F15</idno><idno type="wicri:Area/PubMed/Curation">003F15</idno><idno type="wicri:Area/PubMed/Checkpoint">003F52</idno><idno type="wicri:Area/Ncbi/Merge">000336</idno><idno type="wicri:Area/Ncbi/Curation">000336</idno><idno type="wicri:Area/Ncbi/Checkpoint">000336</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Lateral leg raising in patients with Parkinson's disease: influence of equilibrium constraint.</title><author><name sortKey="Tonolli, I" sort="Tonolli, I" uniqKey="Tonolli I" first="I" last="Tonolli">I. Tonolli</name><affiliation wicri:level="1"><nlm:affiliation>Laboratoire Neurobiologie et Mouvements, CNRS, Marseille, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Laboratoire Neurobiologie et Mouvements, CNRS, Marseille</wicri:regionArea><placeName><settlement type="city">Marseille</settlement></placeName></affiliation></author><author><name sortKey="Aurenty, R" sort="Aurenty, R" uniqKey="Aurenty R" first="R" last="Aurenty">R. Aurenty</name></author><author><name sortKey="Lee, R G" sort="Lee, R G" uniqKey="Lee R" first="R G" last="Lee">R G Lee</name></author><author><name sortKey="Viallet, F" sort="Viallet, F" uniqKey="Viallet F" first="F" last="Viallet">F. Viallet</name></author><author><name sortKey="Massion, J" sort="Massion, J" uniqKey="Massion J" first="J" last="Massion">J. Massion</name></author></analytic><series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title><idno type="ISSN">0885-3185</idno><imprint><date when="2000" type="published">2000</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Biomechanical Phenomena</term><term>Case-Control Studies</term><term>Gait Disorders, Neurologic (physiopathology)</term><term>Humans</term><term>Leg</term><term>Male</term><term>Middle Aged</term><term>Movement</term><term>Parkinson Disease (physiopathology)</term><term>Postural Balance</term><term>Posture</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Gait Disorders, Neurologic</term><term>Parkinson Disease</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Biomechanical Phenomena</term><term>Case-Control Studies</term><term>Humans</term><term>Leg</term><term>Male</term><term>Middle Aged</term><term>Movement</term><term>Postural Balance</term><term>Posture</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Patients with Parkinson's disease often have difficulty maintaining postural stability. This impairment is attributed to postural adjustment deficits. We studied the postural adjustments associated with the performance of two complex tasks which differed only in the final equilibrium constraints. Ten patients with Parkinson's disease and six age-matched control subjects were asked to raise one leg laterally to an abduction angle of approximately 45 degrees as fast as possible to the right or left in random order. In the first series of tests, the subjects were instructed to maintain the leg at 45 degrees, whereas in the second series they were instructed to place their foot back on the ground. Recordings included ground reaction forces and kinematics. In the patients with Parkinson's disease the final posture for the first task was never maintained. The strategy used to shift the body weight was different for the two groups. In control subjects, it was initiated by a whole body rotation around the ankle followed by a trunk inclination around the hip. Conversely, in patients with Parkinson's disease, the shift of the body weight was initiated by a trunk inclination around the hip and then by a whole body rotation around the ankle. The amplitude of the trunk inclination toward the supporting side was smaller than in the control subjects. The second task with less severe equilibrium constraints was, on the whole, better performed by the patients even though the same postural adjustment deficits were present.</div></front></TEI><affiliations><list><country><li>France</li></country><settlement><li>Marseille</li></settlement></list><tree><noCountry><name sortKey="Aurenty, R" sort="Aurenty, R" uniqKey="Aurenty R" first="R" last="Aurenty">R. Aurenty</name><name sortKey="Lee, R G" sort="Lee, R G" uniqKey="Lee R" first="R G" last="Lee">R G Lee</name><name sortKey="Massion, J" sort="Massion, J" uniqKey="Massion J" first="J" last="Massion">J. Massion</name><name sortKey="Viallet, F" sort="Viallet, F" uniqKey="Viallet F" first="F" last="Viallet">F. Viallet</name></noCountry><country name="France"><noRegion><name sortKey="Tonolli, I" sort="Tonolli, I" uniqKey="Tonolli I" first="I" last="Tonolli">I. Tonolli</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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