Adaptability of anticipatory postural adjustments associated with voluntary movement
Identifieur interne : 000910 ( Pmc/Curation ); précédent : 000909; suivant : 000911Adaptability of anticipatory postural adjustments associated with voluntary movement
Auteurs : Eric Yiou ; Teddy Caderby ; Tarek HusseinSource :
- World Journal of Orthopedics [ 2218-5836 ] ; 2012.
Abstract
The control of balance is crucial for efficiently performing most of our daily motor tasks, such as those involving goal-directed arm movements or whole body displacement. The purpose of this article is twofold. Firstly, it is to recall how balance can be maintained despite the different sources of postural perturbation arising during voluntary movement. The importance of the so-called “anticipatory postural adjustments” (APA), taken as a “line of defence” against the destabilizing effect induced by a predicted perturbation, is emphasized. Secondly, it is to report the results of recent studies that questioned the adaptability of APA to various constraints imposed on the postural system. The postural constraints envisaged here are classified into biomechanical (postural stability, superimposition of motor tasks), (neuro) physiological (fatigue), temporal (time pressure) and psychological (fear of falling, emotion). Overall, the results of these studies point out the capacity of the central nervous system (CNS) to adapt the spatio-temporal features of APA to each of these constraints. However, it seems that, depending on the constraint, the “priority” of the CNS was focused on postural stability maintenance, on body protection and/or on maintenance of focal movement performance.
Url:
DOI: 10.5312/wjo.v3.i6.75
PubMed: 22720267
PubMed Central: 3377909
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PMC:3377909Le document en format XML
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<series><title level="j">World Journal of Orthopedics</title>
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<front><div type="abstract" xml:lang="en"><p>The control of balance is crucial for efficiently performing most of our daily motor tasks, such as those involving goal-directed arm movements or whole body displacement. The purpose of this article is twofold. Firstly, it is to recall how balance can be maintained despite the different sources of postural perturbation arising during voluntary movement. The importance of the so-called “anticipatory postural adjustments” (APA), taken as a “line of defence” against the destabilizing effect induced by a predicted perturbation, is emphasized. Secondly, it is to report the results of recent studies that questioned the adaptability of APA to various constraints imposed on the postural system. The postural constraints envisaged here are classified into biomechanical (postural stability, superimposition of motor tasks), (neuro) physiological (fatigue), temporal (time pressure) and psychological (fear of falling, emotion). Overall, the results of these studies point out the capacity of the central nervous system (CNS) to adapt the spatio-temporal features of APA to each of these constraints. However, it seems that, depending on the constraint, the “priority” of the CNS was focused on postural stability maintenance, on body protection and/or on maintenance of focal movement performance.</p>
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<pmc article-type="review-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">World J Orthop</journal-id>
<journal-id journal-id-type="iso-abbrev">World J Orthop</journal-id>
<journal-id journal-id-type="publisher-id">WJO</journal-id>
<journal-title-group><journal-title>World Journal of Orthopedics</journal-title>
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<issn pub-type="epub">2218-5836</issn>
<publisher><publisher-name>Baishideng Publishing Group Co., Limited</publisher-name>
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<article-categories><subj-group subj-group-type="heading"><subject>Review</subject>
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<title-group><article-title>Adaptability of anticipatory postural adjustments associated with voluntary movement</article-title>
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<contrib-group><contrib contrib-type="author"><name><surname>Yiou</surname>
<given-names>Eric</given-names>
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<contrib contrib-type="author"><name><surname>Caderby</surname>
<given-names>Teddy</given-names>
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<contrib contrib-type="author"><name><surname>Hussein</surname>
<given-names>Tarek</given-names>
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<aff>Eric Yiou, Tarek Hussein, Laboratory Complexité, Innovation, Activités Motrices et Sportives, Team Risque, Intervention, Mouvement, Equilibre, UFR STAPS, University of Paris-sud, 91440 Orsay Cedex, France</aff>
<aff>Teddy Caderby, UFR of Human and Environmental Sciences, University of La Réunion, 97430 Le Tampon, Reunion Island, France</aff>
</contrib-group>
<author-notes><fn><p>Author contributions: Yiou E, Caderby T and Hussein T were all involved in the conception and writing of the manuscript.</p>
<p>Correspondence to: Eric Yiou, PhD, Laboratory Complexité, Innovation, Activités Motrices et Sportives, Team Risque, Intervention, Mouvement, Equilibre, UFR STAPS, University of Paris-sud, 91440 Orsay Cedex, France. <email>e.yiou@libertysurf.fr</email>
</p>
<p>Telephone: +33-1-69153158 Fax: +33-1-69156222</p>
</fn>
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<pub-date pub-type="collection"><day>18</day>
<month>6</month>
<year>2012</year>
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<year>2012</year>
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<volume>3</volume>
<issue>6</issue>
<fpage>75</fpage>
<lpage>86</lpage>
<history><date date-type="received"><day>4</day>
<month>12</month>
<year>2011</year>
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<date date-type="rev-recd"><day>2</day>
<month>5</month>
<year>2012</year>
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<date date-type="accepted"><day>5</day>
<month>6</month>
<year>2012</year>
</date>
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<permissions><copyright-statement>©2012 Baishideng Publishing Group Co., Limited. All rights reserved.</copyright-statement>
<copyright-year>2012</copyright-year>
</permissions>
<abstract><p>The control of balance is crucial for efficiently performing most of our daily motor tasks, such as those involving goal-directed arm movements or whole body displacement. The purpose of this article is twofold. Firstly, it is to recall how balance can be maintained despite the different sources of postural perturbation arising during voluntary movement. The importance of the so-called “anticipatory postural adjustments” (APA), taken as a “line of defence” against the destabilizing effect induced by a predicted perturbation, is emphasized. Secondly, it is to report the results of recent studies that questioned the adaptability of APA to various constraints imposed on the postural system. The postural constraints envisaged here are classified into biomechanical (postural stability, superimposition of motor tasks), (neuro) physiological (fatigue), temporal (time pressure) and psychological (fear of falling, emotion). Overall, the results of these studies point out the capacity of the central nervous system (CNS) to adapt the spatio-temporal features of APA to each of these constraints. However, it seems that, depending on the constraint, the “priority” of the CNS was focused on postural stability maintenance, on body protection and/or on maintenance of focal movement performance.</p>
</abstract>
<kwd-group><kwd>Anticipatory postural adjustments</kwd>
<kwd>Adaptability</kwd>
<kwd>Voluntary movement</kwd>
<kwd>Balance</kwd>
<kwd>Biomechanics</kwd>
<kwd>Motor control</kwd>
</kwd-group>
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