The effect of organizing special physical training to balance the muscles between the muscles of the arms and legs and achievement in swimming 100 m freestyle

Abstract
The research aims to identify the organization of training between the muscular balance of the upper and lower limb and study its impact on the achievement of swimming 100 m freestyle in swimming from the age group (15-16) years, where the researchers selected the basic research sample in a deliberate way from the swimmers of the Police Club from the juniors of the national project for talent and the Olympic champion Their number reached (6) swimmers, and the percentage of representation of the research sample from the original community (80%) and the number of the survey sample (2) swimmers from outside the basic research sample, and the researcher used the experimental method, one group with pre- and post-tests, due to its suitability to the nature of the research, and the researchers also took the following actions before applying the research (processing the swimming pool and placing appropriate labels to calculate the variables, tools and devices for the application of the research, preparing the work team in charge of the measurement process , conducting the exploratory study), and the research was applied during the period from 1/7/2024 to 1/10/2024, and the researchers developed training units that regulate the balance in performance between the upper limb and the lower limb in three training units per week in the period of special preparation, and the researchers came to test the swimming 100 m freestyle By photographing two cameras in the manner of the two pre-dimensional tests and then arranging the data and classifying them in the tables for use according to the program ((Spss to conduct statistical processing), and the most important results of the existence of positive moral results and in favor of the post-tests positive and the researchers reached the following conclusions:
The balance between the upper and lower limbs achieves the ideal performance of the swimmer
The organization of training according to the performance requirements achieves the economy of effort
 The digital achievement achieved is the best during the 2024 season for al-shortaa club swimmers
 The researchers reached the following recommendations:
 Adoption of regulation in training in other swimming events Adoption of muscle balance between the upper limb and lower limb according to the precise organization
 The balance must be adopted even between one limb (between the arms), for example,
 improving sports performance and reducing muscle injuries.