Biomechanical analysis of the final strides of the approach and the take-off by visually impaired class F12 and F13 long jumpers
Por favor, use este identificador para citar o enlazar este ítem:
http://hdl.handle.net/10045/32096
Título: | Biomechanical analysis of the final strides of the approach and the take-off by visually impaired class F12 and F13 long jumpers |
---|---|
Autor/es: | Panoutsakopoulos, Vassilios | Theodorou, Apostolos | Kotzamanidou, Mariana C. | Skordilis, Emmanouil | Kollias, Iraklis A. |
Palabras clave: | 2D-DLT analysis | Stride length | Joint angular kinematics | Visual acuity | Technique |
Área/s de conocimiento: | Educación Física y Deportiva |
Fecha de publicación: | 2013 |
Editor: | Universidad de Alicante. Área de Educación Física y Deporte |
Cita bibliográfica: | PANOUTSAKOPOULOS, Vassilios, et al. “Biomechanical analysis of the final strides of the approach and the take-off by visually impaired class F12 and F13 long jumpers”. Journal of Human Sport and Exercise [en línea]. Vol. 8, No. 3Proc (2013). ISSN 1988-5202, pp. S671-S680. http://www.jhse.ua.es/jhse/article/view/599 [consulta: 26 sept. 2013] |
Resumen: | Despite of the level of visual aquity, European Records in long jumping are greater in class F12 (visual acuity 2/60) than class F13 (visual acuity 6/60) both in males and females. The aim of the present study was to compare the biomechanical parameters of the final strides of the approach and the take-off in class F12 and F13 long jumpers. 19 class F12 (males: 13, females: 6) and 12 class F13 (males: 4, females: 8) long jumpers participating in the 2009 International Blind Sports Association European Championships were recorded using a stationary digital video camera (sampling frequency: 300 fps). Key biomechanical parameters were extracted with a typical 2D-DLT kinematical analysis. Differences between groups were investigated using Independent samples t-test. Results indicated that the official distance was 6.07 m ± 0.55 and 5.52 m ± 0.91 for F12 and F13 respectively (p<.05). Significant differences were also observed concerning the vertical take-off velocity (F12: 2.8 m/sec, F13: 2.4 m/sec), the support leg's knee flexion (F12: 18.2 deg, F13: 25.2 deg) and the knee joint flexion velocity (F12: 7.4 rad/sec, F13: 10.2 rad/sec) at the take-off board and the knee maximum flexion angle at the last stride (F12: 116.8 deg, F13: 125.4 deg). In conclusion, F12 performed better than F13 because of the more advantageus utilization of the factors defining the vertical component in the longjump take-off. Additionally, the different last stride maximum knee flexion angle might imply differences concerning the mechanics of the placement of the take-off leg. It is possible that factors such as the size and surface properties of the 1.22 m x 1.00 m chalked take-off area used in F12 competition may contribute to the differences observed in the study. |
URI: | http://hdl.handle.net/10045/32096 |
ISSN: | 1988-5202 |
DOI: | 10.4100/jhse.2013.8.Proc3.13 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | Licencia Creative Commons Reconocimiento-NoComercial-SinObraDerivada 3.0 |
Revisión científica: | si |
Versión del editor: | http://dx.doi.org/10.4100/jhse.2013.8.Proc3.13 |
Aparece en las colecciones: | Journal of Human Sport and Exercise - 2013 - Performance Analysis WORKSHOP, Alicante, 2-5 April 2013 |
Archivos en este ítem:
Archivo | Descripción | Tamaño | Formato | |
---|---|---|---|---|
jhse_Vol_8_N_proc3_671-680.pdf | 226,68 kB | Adobe PDF | Abrir Vista previa | |
Este ítem está licenciado bajo Licencia Creative Commons