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Kinematic differences between national high saltters and international high saltters

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Spanish

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Abstract

The aim of the work was to set reference values for different kinematic variables for the height jumping test to establish the performance model of national athletes and compare it with the technical model established in the literature. The best attempt of 25 finalist high saltters was analysed in the Spanish Championship on 2009 covered runway (13 men, 1.89 ± 0.05 m of stature and 2.10 ± 0.09 m of performance, and 12 women, 1.69 ± 0.10 m of height and 1.73 ± 0.08 m of performance). A total of 35 biomechanical variables were calculated for the ante-jump (two last steps of the approach stroke), drop-down and bar step phases. 3D photogrammetry was used through three video cameras, operating at 50 frames per second and using the Transformación Linear Directa algorithm for the determination of sportsperson’s coordinates. The analysis and digitalisation of the jumps was carried out in the Kwon 3D programme. The results of this study show that the largest differences between the values in the Spanish saltters and saltters when compared with the international saltters occur during the ante-hopping phase (length, frequency, and speed of the passage) and during the baking phase at the speed level of the CM.

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