Dr. Thoalfakar Adeeb Husain
Mass and radii are a measure of the resistance shown by the body in its rotational movement through the relationship between the mass of the rotating body and the square of the distance of its center of gravity from the axis of rotation and the possibility of controlling these two factors (mass and distance) when applying these rotational movements, especially when performing jumping movements, which contain many secondary rotational movements that occur in different parts of the body (arms, legs and trunk), whether these jumps are on the ground with the body weight or on barriers of different heights or on platforms or boxes. Therefore, the researcher believes that this topic is a scientific problem related to the application of special movements for performance that were generated from his feelings during the application of his daily training as he is one of the teachers and coaches of the College of Physical Education and Sports Sciences team in this activity. For this reason, the researcher was seriously interested in this topic to develop some scientific solutions to address it by designing strength training based on mass and radii with young age groups to lay the foundation stone properly. The researcher set the goal of the research to prepare special training according to mass and radii of the body, and the researcher assumed that there are statistically significant differences between the results of the pre-tests The post-tests in the physical abilities tests of the group under study, and the researcher used the experimental research method as it is compatible with solving the problem to be researched. The research sample was chosen randomly. They are a group of junior players for Al-Kut clubs. Their number was (12) players. Through the results, the researcher reached the most important conclusions: the development of the level of technical performance (technique) for the research group in the post-tests after using the training curriculum vocabulary, which indicated the effectiveness of this curriculum in achieving a good level of motor coherence. The researcher recommends that it should be emphasized to take the appropriate angles in the body parts while performing the triple jump stages, whether in tests or in competitions.
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