Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/2890
Título: Knee angular displacement analysis in amateur ballet dancers: a pilot study
Autor: Faria, Flávia
Atalaia, Tiago
Carles, Maria L.
Coutinho, Isabel
Palavras-chave: Physiotherapy
En dehors
Knee injury
Knee valgus
Data: Out-2013
Citação: Faria F, Atalaia T, Carles ML, Coutinho I. Knee angular displacement analysis in amateur ballet dancers: a pilot study. Eur J Physiother. 2013;15(4):215-20.
Resumo: Ballet gestures are highly non-anatomical and physiological, leading to compensatory behaviors. The knee joint is most affected by this behavior, leading to an increase risk of injury. Our purpose is to describe the knee angular displacement in amateur dancers, during a demi-plié exercise, with emphasis on valgus mechanisms frequency. Methods: 192 demi-pliés collected in six amateur female dancers (mean age = 15.33 ± 1.37 years), were analyzed regarding sagittal and frontal plane angular displacement, with an electrogoniometer connected to a signal acquisition unit at 1000 Hz. Results: all subjects presented valgus peaks along the trials, despite the global varus tendency of the knee frontal plane behavior. A significant positive correlation between the frequency of valgus and practice time was noted. Discussion: A variable angular frontal displacement was observed, with some trials comprehending a high incidence of valgus peaks along the ascending or descending phase of the demi-plié exercise. Conclusion: the frontal knee angle behavior is variable. It may present fast peaks of valgus or an initial trend of varus/valgus that is different from the global varus trend. The analysis of the activity should be considered in the training. The practice time may be related to the observed behavior.
Peer review: yes
URI: http://hdl.handle.net/10400.21/2890
ISSN: 2167-9177
Versão do Editor: http://informahealthcare.com/doi/abs/10.3109/21679169.2013.840859
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