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espanolLos nadadores con discapacidad fisica durante la competicion de estilo libre se agrupan segun su clasificacion funcional en diez clases. La longitud, frecuencia e indice de brazada y la velocidad de nado se han estudiado previamente a nivel de elite, pero no a nivel nacional. Por lo tanto, el objetivo de este estudio fue evaluar las cuatro variables mencionadas y el tiempo de prueba con respecto a la clase funcional y el genero en una muestra de nadadores de nivel nacional con discapacidades fisicas en la prueba de 100 m estilo libre. Catorce mujeres (clases S4, S5, S7, S8, S9 y S10) y veintinueve hombres (clases S4, S5, S6, S7, S8 y S10) fueron grabados durante el Campeonato de Espana de Invierno de Natacion Adaptada. Posteriormente se utilizo el metodo clasico de distancias fijas clasicas para el analisis de la prueba. En base a en los resultados obtenidos, los valores de longitud e indice de brazada y de la velocidad de nado (y no de la frecuencia de brazada) aumentaron mientras que el tiempo de viraje disminuyo significativamente (p EnglishSwimmers with physical impairments during competition for freestyle swimming are grouped according to their functional classification in ten classes. Stroke length, stroke rate, stroke index and clean swimming speed have been studied previously at elite level, but not at national level. Therefore, the aim of this study was to assess the four mentioned variables and performance time regarding functional class and gender in a sample of national level swimmers with physical impairments at the 100 m freestyle. Fourteen female (classes S4, S5, S7; S8, S9 and S10) and twenty nine male (classes S4, S5, S6, S7 S8, and S10) swimmers were recorded during the Winter Spanish Championship for Adapted Swimming. Classical fixed distances method was used for race analysis. Based on the results, stroke length, stroke index, clean swimming speed (and not stroke rate) values increased and turn time decreased significantly (p The presented profiling allows to frame performance for long term development of swimmers with physical impairments and also coaches can use the results to determinate the best relationship between stroke rate and stroke length for their swimmers, advice development and talent identification.

revista internacional de ciencias del deporte

Freestyle stroke parameters of national level swimmers with physical impairments. [Parámetros de nado en el estilo libre de nadadores de nivel nacional con discapacidad física].