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Master's Dissertation
DOI
10.11606/D.5.2017.tde-29112017-100706
Document
Author
Full name
Michele Ghilardi
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2017
Supervisor
Committee
Picon, Andreja Paley (President)
Costa, Paula Hentschel Lobo da
Hercoles, Rosa Maria
Sacco, Isabel de Camargo Neves
Title in Portuguese
Análise biomecânica do arabesque realizado por piqué e por relevé e os efeitos das sapatilhas de ponta e meia ponta
Keywords in Portuguese
Ballet
Biomecânica
Cinemática
Cinética
Equilíbrio
Membro inferior
Abstract in Portuguese
O primeiro arabesque é uma pose elementar do ballet clássico e para realiza-la, a bailarina precisa dominar quesitos técnicos que incluem: a manutenção do turnout, o posicionamento do pé de apoio (em meia-ponta ou em ponta), a utlização de sapatilhas específicas e as estratégias de inicação do movimento (arabesque relevé ou arabesque piqué). Assim, o proposito deste estudo foi descrever, avaliar e comparar os padrões cinéticos e cinemáticos do membro inferior da bailarina durante a execução do primeiro arabesque realizado com os quesitos técnicos acima descritos a fim de entender as diferenças e similaridades entre os quesitos avaliados. A amostra foi composta por 26 bailarinas com 13,5±5.02 anos de ballet clássico, as quais realizaram o arabesque piqué e relevé, com sapatilhas de ponta e meiaponta de forma aleatorizada, acompanhados por uma cadência musical adequada. Foram adquiridos: a componente vertical da força reação do solo (FRS) e do centro de pressão (COP), a variação angular das articulações do joelho e tornozelo nos planos sagital, frontal e transversal, além dos momentos articulares sagitais de joelho e tornozelo calculados por dinâmica inversa. As comparações inter-condições foram realizadas por ANOVAs dois fatores [estratégia de iniciação (2) x sapatilha(2)]. A avaliação da componente vertical da FRS mostrou efeito de interação entre sapatilhas e estratégias de iniciação, além de efeitos isolados no aumento da FRS vertical para o arabesque relevé. A avaliação do comportamento do COP mostrou efeito de interação entre todas as variáveis, novamente apontando maiores oscilações em relação ao arabesque relevé. As diferentes sapatilhas não modificaram o comportamento angular e nem o momento articular resultante de joelho e tornozelo, revelando que a estratégia de iniciação é fator determinante no resultado biomecânico final do arabesque
Title in English
Biomechanical analysis of the arabesque performed by piqué and by relevé and the effects of the pointe and slipper shoes
Keywords in English
Balance
Ballet
Biomechanics
Kinematics
Kinetics
Lower extremity
Abstract in English
The first arabesque is an elementary pose of classical ballet. To perform it, the dancer needs to lead with technical questions that include: the maintenance of the turnout, the positioning of the support foot (pointe or half-pointe), the iniciation movement strategies (piqué or relevé arabesque). Thus, the purpose of this study was to describe, evaluate and compare the kinetic and kinematic patterns of the lower limb of the dancer during the execution of the first arabesque performed with the technical questions described above in order to understand the differences and similarities between the evaluated items. The sample consisted of 26 dancers with 13.5 ± 5.02 years of classical ballet, who performed the piqué and relevé arabesque, with slippers or pointe shoes, in randomized trails, accompanied by a suitable musical cadence. Were evaluated: the vertical component of the ground reaction force (FRS), the center of pressure distribution (COP), the angular variation of the knee and ankle joints in the sagittal, frontal and transverse planes, and the sagittal knee and ankle joint loads (inverse dynamics). The inter-condition comparisons were performed by ANOVAs two factors [initiation strategy (2) x ballet shoes (2)]. The evaluation of the vertical component of FRS showed an interaction effect between shoes and initiation strategies, as well as isolated effects in the increase of vertical FRS for arabesque relevé. The evaluation of the behavior of the COP showed an interaction effect among all variables, again pointing to greater oscillations in relation to the arabesque relevé. The different ballet shoes (pointe shoe or slipper) did not modify the angular behavior nor the knee and ankle joint loads, revealing that the initiation strategy is a determining factor in the final arabesque biomechanical result
 
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Publishing Date
2017-11-29
 
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