Limb positioning and magnitude of essential tremor and other pathological tremors
Identifieur interne : 002A98 ( Istex/Curation ); précédent : 002A97; suivant : 002A99Limb positioning and magnitude of essential tremor and other pathological tremors
Auteurs : Sanes [États-Unis] ; Mark Hallett [États-Unis]Source :
- Movement Disorders [ 0885-3185 ] ; 1990.
English descriptors
Abstract
We examined the influence of maintaining different postural configurations of the upper extremity on the magnitude of tremor in patients with essential tremor and with postural tremor from a variety of other neurological disorders. Patients maintained postures requiring different angles of forward flexion in the sagittal plane, of horizontal flexion, and of elbow extension. The tremor of patients diagnosed with essential tremor was either unaffected or affected only little by changes in limb position. In contrast, patients with pathological tremors, of the cerebellar postural, parkinsonian, and other types, exhibited positional dependence of their tremor. When there was positional dependence of tremor, it was always largest when the hands were near the nose or chin. These observations suggest a practical method for assistance with the clinical discrimination of essential tremor from other postural tremors.
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DOI: 10.1002/mds.870050408
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<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Limb positioning and magnitude of essential tremor and other pathological tremors</title><author><name sortKey="Sanes" sort="Sanes" uniqKey="Sanes" last="Sanes">Sanes</name><affiliation wicri:level="1"><mods:affiliation>Human Motor Control Section, Medical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, U.S.A.</mods:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Human Motor Control Section, Medical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland</wicri:regionArea></affiliation></author><author><name sortKey="Hallett, Mark" sort="Hallett, Mark" uniqKey="Hallett M" first="Mark" last="Hallett">Mark Hallett</name><affiliation wicri:level="1"><mods:affiliation>Human Motor Control Section, Medical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, U.S.A.</mods:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Human Motor Control Section, Medical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland</wicri:regionArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:77CF9771569A0D996D63EB5449ED0FF566329906</idno><date when="1990" year="1990">1990</date><idno type="doi">10.1002/mds.870050408</idno><idno type="url">https://api.istex.fr/document/77CF9771569A0D996D63EB5449ED0FF566329906/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">002A98</idno><idno type="wicri:Area/Istex/Curation">002A98</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Limb positioning and magnitude of essential tremor and other pathological tremors</title><author><name sortKey="Sanes" sort="Sanes" uniqKey="Sanes" last="Sanes">Sanes</name><affiliation wicri:level="1"><mods:affiliation>Human Motor Control Section, Medical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, U.S.A.</mods:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Human Motor Control Section, Medical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland</wicri:regionArea></affiliation></author><author><name sortKey="Hallett, Mark" sort="Hallett, Mark" uniqKey="Hallett M" first="Mark" last="Hallett">Mark Hallett</name><affiliation wicri:level="1"><mods:affiliation>Human Motor Control Section, Medical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, U.S.A.</mods:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Human Motor Control Section, Medical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland</wicri:regionArea></affiliation></author></analytic><monogr></monogr><series><title level="j">Movement Disorders</title><title level="j" type="sub">Official Journal of the Movement Disorder Society</title><title level="j" type="abbrev">Mov. 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="1990">1990</date><biblScope unit="vol">5</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="304">304</biblScope><biblScope unit="page" to="309">309</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">77CF9771569A0D996D63EB5449ED0FF566329906</idno><idno type="DOI">10.1002/mds.870050408</idno><idno type="ArticleID">MDS870050408</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Essential tremor</term><term>Limb positions</term><term>Motor disorders</term><term>Postural tremor</term><term>Upper limb</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We examined the influence of maintaining different postural configurations of the upper extremity on the magnitude of tremor in patients with essential tremor and with postural tremor from a variety of other neurological disorders. Patients maintained postures requiring different angles of forward flexion in the sagittal plane, of horizontal flexion, and of elbow extension. The tremor of patients diagnosed with essential tremor was either unaffected or affected only little by changes in limb position. In contrast, patients with pathological tremors, of the cerebellar postural, parkinsonian, and other types, exhibited positional dependence of their tremor. When there was positional dependence of tremor, it was always largest when the hands were near the nose or chin. These observations suggest a practical method for assistance with the clinical discrimination of essential tremor from other postural tremors.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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