Changes accompanying general and special preparation stages and their impact on some functional indicators of circulatory system and heart muscle and concentration of growth hormones and testosterone and the special strength of young football players
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Abstract
The research aims to identify the differences in tests and measurements between the two preparation stages (general and special) in some functional indicators and growth hormones and testosterone and the special strength of the research sample. The researchers adopted the descriptive approach with the descriptive method for its suitability to the nature of the study. As for the research sample, the research community was determined by (Al-Zubair Club) for the youth football category, numbering 23 players (2023/2024). The researchers relied on testing and measurement to measure the variables under study. The most important Conclusions: There are some differences in the functional and hormonal aspects as a result of the players in both stages undergoing exercises characterized by developing oxygen capacity and special strength, and an improvement in special strength in the research sample, which is an indicator of the good selection of special exercises by the coach in the special preparation stage. As for the most important recommendations, it was to increase emphasis on understanding and employing the components of the load in a manner that is appropriate for each stage to reach responses that are consistent with the characteristics of the stage and the type of game practiced by the players
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