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The aim of the paper is to improve the physical training level of the students in the representative swimming team of the University „Politehnica” of Bucharest. In order to achieve the proposed goal, we developed a training program, which focused on the classification of the specific operational structures according to the criterion of the effect on the optimization indicators for the physical training and, implicitly, on the students' results in the semifond trials, the methodical processused being that of the circuit. The research methods we used were the following: the bibliographic study method, the direct and indirect observation method, the experimental method, the statistical-mathematical method and the graphic method. The subjects were evaluated in the initial, intermediate and final phase of the experiment by means of semifond trials: 400 m free and 200 m butterfly. The research activity was carried out during a one-year training period, from 08.10.2016 to 08.10.2017, on a sample of 24 students (aged 19-21) from the University „Politehnica” of Bucharest, who were divided into 2 groups: the experimental group and the control group. During the preparation of the experimental group, the independent variable of the research, namely the physical training program specific to the students swimmers for semifond trials, was introduced, while the control group did the normal training program. The results obtained during the research with the experimental group have materialized in the increase of the physical training parameters, with direct transfer on the results of the trials carried out in the water tests (400 m free and 200 m butterfly). This demonstrates the efficiency of the experimental group's preparation compared to that of the control group, an evolution which is due to applying the independent variable of our research.

Aspects Regarding the Optimization of the Physical Training of Students Swimmers in Semifond Trials