The primary purpose of this paper is to determine and prove the impact of loads with different intensities on the treadmill on the heart frequency, as well as to prove the relationship and impact of some anthropometric and motor parameters on the physiological one in the manifest space. In harmony with the purpose of the research, three basic hypotheses have been presented that cover the anthropological research fields. In this paper, 19-year-old students of the Faculty of Sports Sciences are included. To achieve the purpose of the paper, a sample of 80 students who were regular students during the year 2022/2023 was included. Four anthropometric variables, three motor tests (running tests) and four physiological tests (pulse at rest and during loads) are included in this paper. For the three groups of the system of variables, the basic statistical and distribution parameters for each variable, as well as the measures of asymmetry and normal distribution, were calculated. Then the correlations between the variables in the manifest space, as well as the correlations between the system of variables. In order to determine the relationship between predictor variables (anthropometric and motor characteristics) and criterion variables (results of functional skills), regression analysis was applied in the manifest space. The processing of the results shows that the obtained values do not deviate from the normal distribution, which completes their metric characteristics. The impact of morphological and motor factors on heart rate results has not been proven.

The research was conducted on a sample of 55 successful female marathoners who participated in ten of the most popular marathon races. The sample of subjects includes ten of the best marathoners positioned in every race held at the 2019 World Athletics Championships in Doha, Qatar. The purpose of the research is to assess the impact of body height, weight and age of marathon runners on the final result in the race.  The collected data is processed by the basic descriptive parameters. The entities have the average weight of 60.81 kg, with the average height of 171.65 cm, at the average age of 32.92, with the achieved average result of 137.86 hours into the race. In the intercorrelation matrix, only a significant correlation coefficient (p<0.001) is obtained for height and body weight. From the regression analysis the influence of the predictor variables (height, weight and age) on the criterion variable – sig.=0,60 (the result of the marathon) is not confirmed, which provides only 36% (RO²=.366) of analysis in the common ground of variability. The remaining 64% of the analysis of the total variability of the criterion variable may be attributed to other anthropological characteristics, and mainly to functional characteristics of the anaerobic type.