Complex mechanisms of sensory tricks in cervical dystonia
Identifieur interne : 005A33 ( Main/Merge ); précédent : 005A32; suivant : 005A34Complex mechanisms of sensory tricks in cervical dystonia
Auteurs : Axel Schramm [Allemagne] ; Karlheinz Reiners [Allemagne] ; Markus Naumann [Allemagne]Source :
- Movement disorders [ 0885-3185 ] ; 2004.
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Abstract
Muscle activities in 26 patients with predominantly rotational torticollis were quantified using surface electromyography. In the subgroup of 19 patients with an effective sensory trick, different modes and bilateral locations of trick application led to significant (P < 0.002) reduction of electromyographic (EMG) activity. A strong correlation was found between the efficacy of trick manoeuvres and the starting head position. Trick application in a neutral or even contralateral position was most effective while no reduction of muscle activity during trick application at the maximum dystonic head position was found (P < 0.001). We propose a two-phase model: First, normalisation of head posture is obtained by counterpressure or volitional antagonistic muscle activity. In a second step, this position can be stabilised using sensory tricks challenging central adaption of distorted sensorimotor integration.
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Pascal:04-0261633Le document en format XML
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de Basse-Franconie</region><settlement type="city">Wurtzbourg</settlement></placeName></affiliation></author><author><name sortKey="Reiners, Karlheinz" sort="Reiners, Karlheinz" uniqKey="Reiners K" first="Karlheinz" last="Reiners">Karlheinz Reiners</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Department of Neurology, Julius-Maximilians-Universität</s1><s2>Würzburg</s2><s3>DEU</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Bavière</region><region type="district" nuts="2">District de Basse-Franconie</region><settlement type="city">Wurtzbourg</settlement></placeName></affiliation></author><author><name sortKey="Naumann, Markus" sort="Naumann, Markus" uniqKey="Naumann M" first="Markus" last="Naumann">Markus Naumann</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Department of Neurology, Julius-Maximilians-Universität</s1><s2>Würzburg</s2><s3>DEU</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Bavière</region><region type="district" nuts="2">District de Basse-Franconie</region><settlement type="city">Wurtzbourg</settlement></placeName></affiliation></author></analytic><series><title level="j" type="main">Movement disorders</title><title level="j" type="abbreviated">Mov. disord.</title><idno type="ISSN">0885-3185</idno><imprint><date when="2004">2004</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Movement disorders</title><title level="j" type="abbreviated">Mov. disord.</title><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Dystonia</term><term>Nervous system diseases</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Dystonie</term><term>Système nerveux pathologie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Muscle activities in 26 patients with predominantly rotational torticollis were quantified using surface electromyography. In the subgroup of 19 patients with an effective sensory trick, different modes and bilateral locations of trick application led to significant (P < 0.002) reduction of electromyographic (EMG) activity. A strong correlation was found between the efficacy of trick manoeuvres and the starting head position. Trick application in a neutral or even contralateral position was most effective while no reduction of muscle activity during trick application at the maximum dystonic head position was found (P < 0.001). We propose a two-phase model: First, normalisation of head posture is obtained by counterpressure or volitional antagonistic muscle activity. In a second step, this position can be stabilised using sensory tricks challenging central adaption of distorted sensorimotor integration.</div></front></TEI><affiliations><list><country><li>Allemagne</li></country><region><li>Bavière</li><li>District de Basse-Franconie</li></region><settlement><li>Wurtzbourg</li></settlement></list><tree><country name="Allemagne"><region name="Bavière"><name sortKey="Schramm, Axel" sort="Schramm, Axel" uniqKey="Schramm A" first="Axel" last="Schramm">Axel Schramm</name></region><name sortKey="Naumann, Markus" sort="Naumann, Markus" uniqKey="Naumann M" first="Markus" last="Naumann">Markus Naumann</name><name sortKey="Reiners, Karlheinz" sort="Reiners, Karlheinz" uniqKey="Reiners K" first="Karlheinz" last="Reiners">Karlheinz Reiners</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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