Identification of axial rigidity during locomotion in parkinson disease
Identifieur interne : 001D81 ( Main/Exploration ); précédent : 001D80; suivant : 001D82Identification of axial rigidity during locomotion in parkinson disease
Auteurs : Richard E. A. Van Emmerik [Pays-Bas] ; Robert C. Wagenaar [Pays-Bas] ; Ania Winogrodzka [Pays-Bas] ; Erik C. Wolters [Pays-Bas]Source :
- Archives of Physical Medicine and Rehabilitation [ 0003-9993 ] ; 1998.
Abstract
Objectives: To identify coordination changes and stability in the movements of the trunk during locomotion in Parkinson disease (PD) as a function of walking velocity.Study Design: Comparison of treadmill locomotion with an opto-electronic tracking device.Patients: Newly diagnosed patients with PD (n = 27) and a group of healthy control subjects (n = 11).Results: Coordination between transversal pelvic and thoracic rotations showed significantly smaller changes in mean relative phase (p < .0001) and lower variability in relative phase (p < .0001) in the PD group. No significant differences were found in stride duration and variability in stride duration.Conclusions: The relative phase data contradict traditional notions of increased variability in motor control in PD and pinpoint the importance of the trunk in identifying axial rigidity. This discrepancy may be due to lack of control for walking velocity in earlier studies. It is concluded that systematic manipulation of walking velocity can identify coordination deficits and rigidity in trunk movement. This coordination of trunk movement can also be a sensitive measure for (early) diagnosis and the assessment of movement and pharmacological therapy in PD.
Url:
DOI: 10.1016/S0003-9993(99)90119-3
Affiliations:
- Pays-Bas
- Hollande-Septentrionale, Massachusetts
- Amherst (Massachusetts), Amsterdam
- Université du Massachusetts
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Van Emmerik</name><affiliation wicri:level="4"><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Department of Exercise Science, University of Massachusetts, Amherst, MA</wicri:regionArea><orgName type="university">Université du Massachusetts</orgName><placeName><settlement type="city">Amherst (Massachusetts)</settlement><region type="state">Massachusetts</region></placeName></affiliation></author><author><name sortKey="Wagenaar, Robert C" sort="Wagenaar, Robert C" uniqKey="Wagenaar R" first="Robert C." last="Wagenaar">Robert C. Wagenaar</name><affiliation wicri:level="3"><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Department of Physical Therapy, University Hospital Vrije Universiteit, Amsterdam</wicri:regionArea><placeName><settlement type="city">Amsterdam</settlement><region nuts="2" type="province">Hollande-Septentrionale</region></placeName></affiliation></author><author><name sortKey="Winogrodzka, Ania" sort="Winogrodzka, Ania" uniqKey="Winogrodzka A" first="Ania" last="Winogrodzka">Ania Winogrodzka</name><affiliation wicri:level="3"><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Department of Neurology, University Hospital Vrije Universiteit, Amsterdam</wicri:regionArea><placeName><settlement type="city">Amsterdam</settlement><region nuts="2" type="province">Hollande-Septentrionale</region></placeName></affiliation></author><author><name sortKey="Wolters, Erik C" sort="Wolters, Erik C" uniqKey="Wolters E" first="Erik C." last="Wolters">Erik C. 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No significant differences were found in stride duration and variability in stride duration.Conclusions: The relative phase data contradict traditional notions of increased variability in motor control in PD and pinpoint the importance of the trunk in identifying axial rigidity. This discrepancy may be due to lack of control for walking velocity in earlier studies. It is concluded that systematic manipulation of walking velocity can identify coordination deficits and rigidity in trunk movement. This coordination of trunk movement can also be a sensitive measure for (early) diagnosis and the assessment of movement and pharmacological therapy in PD.</div></front></TEI><affiliations><list><country><li>Pays-Bas</li></country><region><li>Hollande-Septentrionale</li><li>Massachusetts</li></region><settlement><li>Amherst (Massachusetts)</li><li>Amsterdam</li></settlement><orgName><li>Université du Massachusetts</li></orgName></list><tree><country name="Pays-Bas"><region name="Massachusetts"><name sortKey="Van Emmerik, Richard E A" sort="Van Emmerik, Richard E A" uniqKey="Van Emmerik R" first="Richard E. A." last="Van Emmerik">Richard E. A. Van Emmerik</name></region><name sortKey="Wagenaar, Robert C" sort="Wagenaar, Robert C" uniqKey="Wagenaar R" first="Robert C." last="Wagenaar">Robert C. 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