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The technique of the final phase of the shot put, defined from the beginning of the last phase of double support up to the release of the ball, is very similar among athletes in spite of the fact, that before they have used a technical model of throwing, the rotational technique or the glide technique, the aim of this study has been to analyze the interaction among the biomechanical variables that determine the performance in this athletic event in its final phase. Men and women finalist (n=16) have been analyzed during their participation in the Championship of the World of Athletics, Valencia 08. There have been used photogrammetrical three-dimensional technologies (3D) from the filming of the gesture with two video cameras to 100 Hz and synchronized temporarily by means of an electronic system. The system of references has been a bucket with twelve points distributed proportionally in the space of throwing. Finally, the linear direct transformation techniques (DLT) were in use for obtaining the spatial coordinates. The obtained results show the differences in the process variables among putters and the techniques used, existing commitments among the temporary variables, distances and analyzed speeds, emphasizing that the angle used in the shot is lower than the ideal one and that the speed of the weight appears as factor of determinant product in the performance of this athletic speciality.

Relación entre las variables de proceso en la fase final de aceleración y las variables de producto en el lanzamiento de peso