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Postural stability in a population of dancers, healthy non-dancers, and vestibular neuritis patients.

Identifieur interne : 000539 ( Main/Curation ); précédent : 000538; suivant : 000540

Postural stability in a population of dancers, healthy non-dancers, and vestibular neuritis patients.

Auteurs : Eduardo Martin-Sanz [Espagne] ; Isabel Ortega Crespo [Espagne] ; Jonathan Esteban-Sanchez [Espagne] ; Ricardo Sanz [Espagne]

Source :

RBID : pubmed:28485669

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English descriptors

Abstract

INTRODUCTION

Several studies have indicated better balance control in dancers than in control participants, but some controversy remains. The aim of our study is to evaluate the postural stability in a cohort of dancers, non-dancers, compensated, and non-compensated unilateral vestibular neuritis (VN).

METHODS

This is a prospective study of control subjects, dancers, and VN patients between June 2009 and December 2015. Dancers from the Dance Conservatory of Madrid and VN patients were referred to our department for analysis. After the clinical history, neuro-otological examination, audiogram, and caloric tests, the diagnosis was done. Results from clinical examination were used for the categorization of compensation situation. A computerized dynamic posturography was performed to every subject.

RESULTS

Forty dancers and 38 women formed both 'dancer' and 'normal' cohorts. Forty-two compensated and 39 uncompensated patients formed both 'compensated' and 'uncompensated' cohorts. Dancers had significantly greater antero-posterior (AP) body sway than controls during condition 5 and 6 in the Sensory Organization Test (SOT) (p < .05). When we compared the uncompensated cohort with both control and dancers groups, we found significant greater body sway in every SOT studied condition (p < .05). While mean AP body say in SOT 5 and 6, showed greater values in compensated patients than the control group, the mean analysis did not show any statistical difference between the compensated and dancer groups, in such SOT conditions.

CONCLUSIONS

Dancers demonstrated greater sways than non-dancers when they relied their postural control on vestibular input alone. Compensated patients had a similar posturographic pattern that the dancers cohort, suggesting a similar shift from visual to somatosensory information.


DOI: 10.1080/00016489.2017.1322711
PubMed: 28485669

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pubmed:28485669

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<term>Adult (MeSH)</term>
<term>Case-Control Studies (MeSH)</term>
<term>Dancing (physiology)</term>
<term>Female (MeSH)</term>
<term>Humans (MeSH)</term>
<term>Postural Balance (MeSH)</term>
<term>Posture (MeSH)</term>
<term>Prospective Studies (MeSH)</term>
<term>Vestibular Neuronitis (physiopathology)</term>
<term>Young Adult (MeSH)</term>
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<term>Adulte (MeSH)</term>
<term>Danse (physiologie)</term>
<term>Femelle (MeSH)</term>
<term>Humains (MeSH)</term>
<term>Jeune adulte (MeSH)</term>
<term>Névrite vestibulaire (physiopathologie)</term>
<term>Posture (MeSH)</term>
<term>Équilibre postural (MeSH)</term>
<term>Études cas-témoins (MeSH)</term>
<term>Études prospectives (MeSH)</term>
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<term>Danse</term>
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<term>Case-Control Studies</term>
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<div type="abstract" xml:lang="en">
<p>
<b>INTRODUCTION</b>
</p>
<p>Several studies have indicated better balance control in dancers than in control participants, but some controversy remains. The aim of our study is to evaluate the postural stability in a cohort of dancers, non-dancers, compensated, and non-compensated unilateral vestibular neuritis (VN).</p>
</div>
<div type="abstract" xml:lang="en">
<p>
<b>METHODS</b>
</p>
<p>This is a prospective study of control subjects, dancers, and VN patients between June 2009 and December 2015. Dancers from the Dance Conservatory of Madrid and VN patients were referred to our department for analysis. After the clinical history, neuro-otological examination, audiogram, and caloric tests, the diagnosis was done. Results from clinical examination were used for the categorization of compensation situation. A computerized dynamic posturography was performed to every subject.</p>
</div>
<div type="abstract" xml:lang="en">
<p>
<b>RESULTS</b>
</p>
<p>Forty dancers and 38 women formed both 'dancer' and 'normal' cohorts. Forty-two compensated and 39 uncompensated patients formed both 'compensated' and 'uncompensated' cohorts. Dancers had significantly greater antero-posterior (AP) body sway than controls during condition 5 and 6 in the Sensory Organization Test (SOT) (p < .05). When we compared the uncompensated cohort with both control and dancers groups, we found significant greater body sway in every SOT studied condition (p < .05). While mean AP body say in SOT 5 and 6, showed greater values in compensated patients than the control group, the mean analysis did not show any statistical difference between the compensated and dancer groups, in such SOT conditions.</p>
</div>
<div type="abstract" xml:lang="en">
<p>
<b>CONCLUSIONS</b>
</p>
<p>Dancers demonstrated greater sways than non-dancers when they relied their postural control on vestibular input alone. Compensated patients had a similar posturographic pattern that the dancers cohort, suggesting a similar shift from visual to somatosensory information.</p>
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<AbstractText Label="METHODS" NlmCategory="METHODS">This is a prospective study of control subjects, dancers, and VN patients between June 2009 and December 2015. Dancers from the Dance Conservatory of Madrid and VN patients were referred to our department for analysis. After the clinical history, neuro-otological examination, audiogram, and caloric tests, the diagnosis was done. Results from clinical examination were used for the categorization of compensation situation. A computerized dynamic posturography was performed to every subject.</AbstractText>
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