Hypermobility of the first ray in ballet dancer

Biz, Carlo and Favero, Laura and Stecco, Carla and Aldegheri, Roberto (2012) Hypermobility of the first ray in ballet dancer. M.L.T.J. Muscles, Ligaments and Tendons Journal, 2 (4). pp. 282-288. ISSN 2240-4554

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Abstract

Hypermobility of the first ray, which is caused by an instability of the first metatarsocuneiform joint, is one of the factors that induces hallux valgus and can be caused by technical mistakes in ballet practice. Correlation between ballet practice and hypermobility of the first ray. Using a modified Klaue device, mobility of the first metatarsocuneiform joint was measured (hypermobility ≥ 10mm) in both dorsal and dorso-medial directions in 264 feet in 2 groups of people: ballet dancers (non professional) and a control group of nondancers. 45° mobility is statistically higher than dorsal mobility, and mobility in the ballet dancer group is higher than in the control group, but there is no correlation between hours of ballet and en-pointe shoe practice, and hypermobility of the first ray. First ray hypermobility, and even hallux valgus, in ballet practice is related to anatomical-hereditary factors and to incorrect technical execution.

Item Type:	Article
Uncontrolled Keywords:	Hypermobility, first ray, hallux valgus, ballet dancer
Subjects:	600 Tecnologia - Scienze applicate > 610 Medicina e salute (Classificare qui la tecnologia dei servizi medici) > 616 Malattie (classificare qui la Clinica medica, la medicina basata sull'evidenza, la Medicina interna, la Medicina sperimentale) > 616.7 Malattie del sistema muscoloscheletrico
Depositing User:	Danilo Dezzi
Date Deposited:	17 Apr 2014 10:03
Last Modified:	17 Apr 2014 10:03
URI:	http://eprints.bice.rm.cnr.it/id/eprint/8191

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