Bilateral Differences in Dancers' Dynamic Postural Stability During Jump Landings.
Identifieur interne : 000350 ( Main/Exploration ); précédent : 000349; suivant : 000351Bilateral Differences in Dancers' Dynamic Postural Stability During Jump Landings.
Auteurs : Frances Clarke [Royaume-Uni] ; Yiannis Koutedakis [Royaume-Uni] ; Margaret Wilson [États-Unis] ; Matthew Wyon [Royaume-Uni]Source :
- Journal of dance medicine & science : official publication of the International Association for Dance Medicine & Science [ 1089-313X ] ; 2020.
Abstract
Although traditional dance training aims to train dancers' legs equally, the recognized practice of predominately starting and repeating exercises on one side more than the other has led to suggestions that technique classes may cause lateral bias. Such an imbalance could lead to a greater risk of injury; however, despite this potential risk, little is known about the effects of bilateral differences on dancers' postural stability during jump landings, a key dynamic action in dance. Therefore, the aim of this study was to examine the effects of possible bilateral differences on dynamic postural stability during single-leg landing using a time-to-stabilization protocol. Thirty-two injury-free female university undergraduate dancers (19 ± 1.9 years; 164.8 ± 6.7 cm; 62.6 ± 13.6 kg) volunteered for the study. They completed a two-foot to one-foot jump over a bar onto a force platform while stabilizing as quickly as possible. The landing leg was randomly assigned, and participants completed three trials for each leg. No significant differences in dynamic postural stability between right and left legs were revealed, and poor effect size was noted (p > 0.05): MLSI: t = -.04, df = 190, p = 0.940 (CI = -.04, .04, r² = 0); APSI: t = .65, df = 190, p = 0.519 (CI = -.06-, .12, r² = .09); VSI: t = 1.85, df = 190, p = 0.066 (CI = -.02, .68, r² = .27); DPSI: t = 1.88, df = 190, p = 0.061 (CI = -.02, .70, r² = .27). The results of this study do not support the notion that dance training may cause lateral bias with its associated risk of injury. Furthermore, dancers' self-perceptions of leg dominance did not correlate with their ability to balance in single-leg landings or to absorb the ground reaction forces often associated with injury. Even when biased training exists, it may not have detrimental effects on the dancer's postural stability.
DOI: 10.12678/1089-313X.24.4.183
PubMed: 33218372
Affiliations:
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and Sport and Physical Activity Research Centre and School of Performing Arts, University of Wolverhampton, Walsall, United Kingdom.</nlm:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Department of Sport and Exercise Sciences, University of Thessaly, Trikala, Greece; and Sport and Physical Activity Research Centre and School of Performing Arts, University of Wolverhampton, Walsall</wicri:regionArea><wicri:noRegion>Walsall</wicri:noRegion></affiliation></author><author><name sortKey="Wilson, Margaret" sort="Wilson, Margaret" uniqKey="Wilson M" first="Margaret" last="Wilson">Margaret Wilson</name><affiliation wicri:level="2"><nlm:affiliation>Department of Theatre and Dance, University of Wyoming, Laramie, Wyoming, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Theatre and Dance, University of Wyoming, Laramie, Wyoming</wicri:regionArea><placeName><region type="state">Wyoming</region></placeName></affiliation></author><author><name sortKey="Wyon, Matthew" sort="Wyon, Matthew" uniqKey="Wyon M" first="Matthew" last="Wyon">Matthew Wyon</name><affiliation wicri:level="1"><nlm:affiliation>National Institute of Dance Medicine and Science, United Kingdom, and Sport and Physical Activity Research Centre and School of Performing Arts, University of Wolverhampton, Walsall, United Kingdom.</nlm:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>National Institute of Dance Medicine and Science, United Kingdom, and Sport and Physical Activity Research Centre and School of Performing Arts, University of Wolverhampton, Walsall</wicri:regionArea><wicri:noRegion>Walsall</wicri:noRegion></affiliation></author></analytic><series><title level="j">Journal of dance medicine & science : official publication of the International Association for Dance Medicine & Science</title><idno type="ISSN">1089-313X</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Although traditional dance training aims to train dancers' legs equally, the recognized practice of predominately starting and repeating exercises on one side more than the other has led to suggestions that technique classes may cause lateral bias. Such an imbalance could lead to a greater risk of injury; however, despite this potential risk, little is known about the effects of bilateral differences on dancers' postural stability during jump landings, a key dynamic action in dance. Therefore, the aim of this study was to examine the effects of possible bilateral differences on dynamic postural stability during single-leg landing using a time-to-stabilization protocol. Thirty-two injury-free female university undergraduate dancers (19 ± 1.9 years; 164.8 ± 6.7 cm; 62.6 ± 13.6 kg) volunteered for the study. They completed a two-foot to one-foot jump over a bar onto a force platform while stabilizing as quickly as possible. The landing leg was randomly assigned, and participants completed three trials for each leg. No significant differences in dynamic postural stability between right and left legs were revealed, and poor effect size was noted (p > 0.05): MLSI: t = -.04, df = 190, p = 0.940 (CI = -.04, .04, r² = 0); APSI: t = .65, df = 190, p = 0.519 (CI = -.06-, .12, r² = .09); VSI: t = 1.85, df = 190, p = 0.066 (CI = -.02, .68, r² = .27); DPSI: t = 1.88, df = 190, p = 0.061 (CI = -.02, .70, r² = .27). The results of this study do not support the notion that dance training may cause lateral bias with its associated risk of injury. Furthermore, dancers' self-perceptions of leg dominance did not correlate with their ability to balance in single-leg landings or to absorb the ground reaction forces often associated with injury. Even when biased training exists, it may not have detrimental effects on the dancer's postural stability.</div></front></TEI><pubmed><MedlineCitation Status="In-Process" Owner="NLM"><PMID Version="1">33218372</PMID><DateRevised><Year>2020</Year><Month>11</Month><Day>23</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1089-313X</ISSN><JournalIssue CitedMedium="Internet"><Volume>24</Volume><Issue>4</Issue><PubDate><Year>2020</Year><Month>Nov</Month><Day>15</Day></PubDate></JournalIssue><Title>Journal of dance medicine & science : official publication of the International Association for Dance Medicine & Science</Title><ISOAbbreviation>J Dance Med Sci</ISOAbbreviation></Journal><ArticleTitle>Bilateral Differences in Dancers' Dynamic Postural Stability During Jump Landings.</ArticleTitle><Pagination><MedlinePgn>183-189</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.12678/1089-313X.24.4.183</ELocationID><Abstract><AbstractText>Although traditional dance training aims to train dancers' legs equally, the recognized practice of predominately starting and repeating exercises on one side more than the other has led to suggestions that technique classes may cause lateral bias. Such an imbalance could lead to a greater risk of injury; however, despite this potential risk, little is known about the effects of bilateral differences on dancers' postural stability during jump landings, a key dynamic action in dance. Therefore, the aim of this study was to examine the effects of possible bilateral differences on dynamic postural stability during single-leg landing using a time-to-stabilization protocol. Thirty-two injury-free female university undergraduate dancers (19 ± 1.9 years; 164.8 ± 6.7 cm; 62.6 ± 13.6 kg) volunteered for the study. They completed a two-foot to one-foot jump over a bar onto a force platform while stabilizing as quickly as possible. The landing leg was randomly assigned, and participants completed three trials for each leg. No significant differences in dynamic postural stability between right and left legs were revealed, and poor effect size was noted (p > 0.05): MLSI: t = -.04, df = 190, p = 0.940 (CI = -.04, .04, r² = 0); APSI: t = .65, df = 190, p = 0.519 (CI = -.06-, .12, r² = .09); VSI: t = 1.85, df = 190, p = 0.066 (CI = -.02, .68, r² = .27); DPSI: t = 1.88, df = 190, p = 0.061 (CI = -.02, .70, r² = .27). The results of this study do not support the notion that dance training may cause lateral bias with its associated risk of injury. Furthermore, dancers' self-perceptions of leg dominance did not correlate with their ability to balance in single-leg landings or to absorb the ground reaction forces often associated with injury. Even when biased training exists, it may not have detrimental effects on the dancer's postural stability.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Clarke</LastName><ForeName>Frances</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>National Institute of Dance Medicine and Science, and Trinity Laban Conservatoire of Music & Dance, London, United Kingdom;, Email: f.clarke@trinitylaban.ac.uk.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Koutedakis</LastName><ForeName>Yiannis</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>Department of Sport and Exercise Sciences, University of Thessaly, Trikala, Greece; and Sport and Physical Activity Research Centre and School of Performing Arts, University of Wolverhampton, Walsall, United Kingdom.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wilson</LastName><ForeName>Margaret</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Department of Theatre and Dance, University of Wyoming, Laramie, Wyoming, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wyon</LastName><ForeName>Matthew</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>National Institute of Dance Medicine and Science, United Kingdom, and Sport and Physical Activity Research Centre and School of Performing Arts, University of Wolverhampton, Walsall, United Kingdom.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>J Dance Med Sci</MedlineTA><NlmUniqueID>9700066</NlmUniqueID><ISSNLinking>1089-313X</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>11</Month><Day>21</Day><Hour>5</Hour><Minute>22</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>11</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>11</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">33218372</ArticleId><ArticleId IdType="doi">10.12678/1089-313X.24.4.183</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Royaume-Uni</li><li>États-Unis</li></country><region><li>Wyoming</li></region></list><tree><country name="Royaume-Uni"><noRegion><name sortKey="Clarke, Frances" sort="Clarke, Frances" uniqKey="Clarke F" first="Frances" last="Clarke">Frances Clarke</name></noRegion><name sortKey="Koutedakis, Yiannis" sort="Koutedakis, Yiannis" uniqKey="Koutedakis Y" first="Yiannis" last="Koutedakis">Yiannis Koutedakis</name><name sortKey="Wyon, Matthew" sort="Wyon, Matthew" uniqKey="Wyon M" first="Matthew" last="Wyon">Matthew Wyon</name></country><country name="États-Unis"><region name="Wyoming"><name sortKey="Wilson, Margaret" sort="Wilson, Margaret" uniqKey="Wilson M" first="Margaret" last="Wilson">Margaret Wilson</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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