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Article type: Research Article
Authors: Muyor, José M.a; * | Zemková, Erikab | Chren, Matejc
Affiliations: [a] Laboratory of Kinesiology, Biomechanics and Ergonomics (KIBIOMER Lab), Faculty of Education Sciences, University of Almería, Almería, Spain | [b] Department of Sports Kinanthropology, Faculty of Physical Education and Sports, Comenius University in Bratislava, Slovakia | [c] Department of Gymnastics, Faculty of Physical Education and Sports, Comenius University in Bratislava, Slovakia
Correspondence: [*] Corresponding author: José M. Muyor, University of Almería, Edificio Humanidades A. Despacho. 2.54, Ctra. Sacramento s/n, 04120 La Cañada de San Urbano, Almería, Spain. Tel.: +34 950 015 239; E-mail:[email protected]
Abstract: BACKGROUND: Systematic repetition postures adopted during trainings could generate alterations in the sagittal spinal curvatures. OBJECTIVE: The purposes were: 1) to analyse the sagittal spinal curvatures and pelvic tilt in Latin American style dancers; 2) to compare the spinal sagittal mobility and hamstring muscle extensibility between Latin American style dancers and non-dancers; and 3) to evaluate the influence of wearing dance shoes upon the sagittal spine posture in standing. METHODS: A total of 20 Latin American style professional dancers and 20 non-dancers (control group) were evaluated during standing, relaxed sitting, maximal trunk flexion with knees flexed and extended, lying prone, and maximal trunk extension. Additionally, dancers were analysed while standing barefoot, and wearing heeled-shoes, during forward walking and the paso-doble posture. The hamstring muscle extensibility was evaluated by the active knee extension test. RESULTS: The spinal morphology in Latin American style professional dancers is characterised by lower thoracic kyphosis, lumbar lordosis and anterior pelvic tilt in the standing posture as well as a flexible spine, especially in flexion postures, in addition to suitable hamstring muscle extensibility. CONCLUSIONS: The spinal morphology of Latin American style professional dancers is characterised by lower thoracic kyphosis and lumbar lordosis and anterior pelvic tilt in the standing posture as well as a flexible spine, especially in flexion postures, and suitable hamstring muscle extensibility.
Keywords: Injury prevention, flexibility, sport techniques, spinal mouse system
DOI: 10.3233/BMR-150448
Journal: Journal of Back and Musculoskeletal Rehabilitation, vol. 30, no. 4, pp. 791-800, 2017
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