## 4 Discussion
The differences observed in our study could be due to the fact that Ms and Fs are required to be faster, in order to elude the opponent and score goals [51], and that Ms are precisely the ones who cover the longest distances in high-competition matches [5]. For example, according to the contribution of [PERSON] et al. [43], the authors categorize the performance of elite soccer players by MYYR1 performance level in top elite (1600 m), moderate elite (1360 m), and sub-elite (1160m), respectively. Therefore, according to our results, the Gs (902.85 \(\pm\) 198.47 m) would be classified as sub-elite, Ds (1314.28 \(\pm\) 238.89 m) as moderate elite, and finally, Ms (1486.15 \(\pm\) 235.42 m) and Fs (1402.50 \(\pm\) 297.35 m) as superior elite. In the same sense, our records are slightly lower than those reported by [PERSON] et al. [18] with selected adult female players from Ireland with an average of 1500 m on the MYYR1. Figures 4-7 show the linear regression between the studied variables, where significant relationships can be observed between the anthropometric and physical fitness variables (Table 3). Figure 4 presents the relationships between %Muscle and the anthropometric variables. As can be observed, %Muscle significantly explains the changes in %Fat (R\({}^{2}\) = 0.735) and %Sokinkolds (R\({}^{2}\) = 0.393). This parameter of body composition, which indicates muscle mass, has been proved to be a determining variable in the anthropometry of Chilean [14; 24] and international players [4]. In this sense, correlations have been found between field tests (e.g., jump height and shooting speed with dominant and non-dominant leg) and muscle mass, height, and leg length [50]. Figure 5 shows the relationships between RS and performance in running speed, agility, and jump height (T10 R\({}^{2}\) = 0.242, T30 R\({}^{2}\) = 0.293; IAT R\({}^{2}\) = 0.478; CMJ R\({}^{2}\) = 0.113), with all showing statistical significance (\(p<0.05\)). Thus, it is demonstrated that RS is significantly associated with the results of tests that measure actions of explosive strength and maximum intensity, i.e., the greater the performance in explosive tests, the better the results in RS. These findings are similar to those reported by [PERSON] et al. [52], who evaluated the force-velocity profile of professional female football players of the Spanish league. These authors obtained strong correlations (r = 0.751) in maximum speed between the jump test (squat jump) and the running test (T20). Similar results have been reported by [PERSON] et al. [53], who, with the same protocol, recorded strong relationships in amateur players (r = 0.622) and professional players (r = 0.492). These results suggest that the jump and running speed or agility tests could provide similar information, particularly with respect to the generation of maximum strength (in this case, relative maximum strength). These tests are similar to the most frequent actions in certain situations in a football match [48]. Likewise, the data of this study are in line with those reported by [PERSON] and colleagues [54], who concluded that different manifestations of strength show moderate and strong relationships with performance in displacement tests. Figure 6 presents how the performance in RS can explain the changes in the anthropometric variables, all R\({}^{2}\) values are statistically significant (\(p<0.05\)). These results suggest that body composition could explain some of the physical fitness variables in the studied players. Thus, for example, it has been reported that female football players with lower %Fat develop high rates of strength generation [3], which is in line with the results obtained in the present study. These findings are also in agreement with those shown by [PERSON] et al. [55] in international athletes, where the players who obtained lower %Fat and greater  
%Muscle obtained better correlations in the actions that involved a greater generation of strength to jump and run. Figure 7 shows the relationships between MYYR1 and anthropometric variables.