أثر جهد بدني بشدد مختلفة في عدد من المتغيرات الوظيفية و الكيموحيوية و دقة التهديف للاعبي كرة القدم

Abstract EN

The speed of running in different dimensions of the important physical elements in all games, especially in game of football since players need to apply the motor skills throughout the game, so the identification of the physiological changes that occur to the organs of the body and vital members under various one-time physical effort in direct response Direct Response Is a necessary requirement .The research problem was determined in a study of continuous running with different intensity (for the first intensity 25 %) .)The second intensity is 50 %) (the third intensity is 75%) and the player reaches the level with the required intensity .

The study showed that 75 % had a significantly greater effect on blood pH and 25 % had less effect.

In Table 3, the study showed differences in heart rate, breathing and acidity and showed weakness in performance of accuracy of scoring skill , and the places used by the researcher are indoor fitness hall and football stadium and the laboratory room of the Faculty of Physical Education.

As for the tests were in the laboratories (Center for the analysis of genes) and to achieve the objective of the study, the experimental approach was used on the sample and the average age was( 22 years old ).The number of respondents was (18) players.

After a series of field procedures in the experiment to investigate and confirm their validity to measure the research variable among the three groups, they were divided into three groups by a deliberate method, the first group applied intensity (25 %), and the second (75 %).

The data were then collected, unloaded and processed using the following statistical methods (Graphpad) (arithmetic mean, standard deviation, absolute difference, relative variance and T test for samples.

contrast).

The researchers took the variables (measurement of the accuracy of the target) (pulse rate measurement), (respiratory rate measurement), (lactic acid) and (PH blood).