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dc.contributor.authorDuncan, R.
dc.contributor.authorWild, C.
dc.contributor.authorNg, Leo
dc.contributor.authorHendry, D.
dc.contributor.authorCarter, S.
dc.contributor.authorHopper, L.
dc.contributor.authorCampbell, Amity
dc.date.accessioned2020-06-27T12:25:13Z
dc.date.available2020-06-27T12:25:13Z
dc.date.issued2020
dc.identifier.citationDuncan, R. and Wild, C. and Ng, L. and Hendry, D. and Carter, S. and Hopper, L. and Campbell, A. 2020. Dancers' Joint Strategies for Achieving Turnout in Low and High Friction Conditions. Medical problems of performing artists. 35 (2): pp. 96-102.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/79790
dc.identifier.doi10.21091/mppa.2020.2015
dc.description.abstract

BACKGROUND: Dancing with legs externally rotated (turnout) is a fundamental element of ballet technique. A reliance on floor friction to achieve turnout may contribute toward the high injury rate in dancers. Joint strategies used by dancers in high and low friction turnout conditions are not well understood. OBJECTIVES: To quantify the lower limb and lumbar spine joint strategies used by female pre-professional dancers to achieve turnout in low-friction (rotation discs) and high-friction (functional and forced) conditions. METHODS: Twenty-three pre-professional female dancers participated in the study. A 12-camera motion analysis system collected hip and knee external rotation (ER), ankle abduction, and lumbar extension angles in three turnout conditions and passive hip ER range of motion angles. Repeated measures ANOVA analysed the differences between joint angles, maximum turnout angle (foot relative to pelvis), and available hip ER. RESULTS: Dancers demonstrated lower knee ER (18.5±4.8°) and ankle abduction (6.0±7.7°) angles during low-friction turnout compared to higher friction conditions (p<0.05). Dancers utilised between 70-83% of available hip ER within all conditions. Low-friction turnout demonstrated greater hip ER contribution within maximum turnout (43%) compared to higher friction conditions. Dancers demonstrated greater lumbar extension angles in low-friction turnout compared to higher friction conditions (p<0.05). CONCLUSIONS: Further hip ER strength training is required to promote greater hip ER range within the position. Rotation discs may be a valuable training tool as dancers demonstrated greater hip ER utilisation with less knee ER and ankle abduction; however, this position did promote undesirable lumbar extension.

dc.languageeng
dc.titleDancers' Joint Strategies for Achieving Turnout in Low and High Friction Conditions
dc.typeJournal Article
dcterms.source.volume35
dcterms.source.number2
dcterms.source.startPage96
dcterms.source.endPage102
dcterms.source.issn0885-1158
dcterms.source.titleMedical problems of performing artists
dc.date.updated2020-06-27T12:25:11Z
curtin.departmentSchool of Physiotherapy and Exercise Science
curtin.departmentSchool of Physiotherapy and Exercise Science
curtin.accessStatusIn process
curtin.facultyFaculty of Health Sciences
curtin.facultyFaculty of Health Sciences
curtin.contributor.orcidNg, Leo [0000-0002-9814-0495]
dcterms.source.eissn1938-2766
curtin.contributor.scopusauthoridCampbell, Amity [35794905700]


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