Sprint speed and sprint endurance in amateur soccer athletes
Abstract
Objective: to analyze the performance of sub-12 field football athletes in speed and power sprints. Materials and methods: The study sample consisted of 28 sub 12 football players from a professional football club in the state of Rio de Janeiro - Brazil. In this study, after 15-minute warm-ups, each individual performed three maximum sprints of 40 meters with 10-minute intervals between them. In addition, the maximum sprint power was calculated by the Running-based Anaerobic Sprint Test - RAST. The sample was divided into subgroups according to the tactical function (defensive and offensive players), performance in sprints (faster - MaV, intermediate - IM and less velocity - MeV) and specific positions (defender, full-back, defensive midfielder, attacking midfielder and forward). After, the shapiro-wilk test was applied to analyze the normality of the data and student's t test for comparison of means (p≤0.05). Results: Comparing performance in sprint tests, there was a statistical difference between the MaV subgroups in relation to MI and MeV, and the full-back players in relation to the other positions, from 10 to 20m, 20 to 30m, from 30 to 40m and from 0 to 40m. There were no significant differences in power analysis. Conclusion: It was found a statistical relevance in the performance of full-back position athletes, this performance increased the performance of the group of defenders in relation to the group of attackers. In relation to power, statistical data with relevant differences were not found.
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