Association between parameters of internal training load and physical performance in pre-season football athletes
Abstract
The main objective of coaches is to provide a structured training program, ensuring a balance between the application of training loads and periods of recovery aiming to increase physical fitness. Considering this, the present study aimed to investigate the associations between internal training load indexes and changes in performance in young football players during a 4-week pre-season. 17 male athletes participated in the study, nine belonging to Under 15 category and eight belonging to Under 17 category, being the performance analyzed through the Yo-yo Intermittent recovery test level 1. During the pre-season the rating of perceived exertion (RPE) of the session were monitored to determine the internal training load (ITL), weekly training load (WTL), monotony and strain. Increases in WTL, monotony and strain were identified for both categories by comparing the values obtained in the first two weeks of training with the last two weeks preceding the competition. A significant increase in the distance covered in the Yo-Yo IR1 test was identified in both categories. During the pre-season a negative and significant correlations were found between the ITL indexes and the performance in the Yo-Yo IR1 for both categories. However, no relationship was found between WTL and performance for the U-15 category. Evidences found in the present study show that young athletes with higher ITL parameters during the preseason are more susceptible to lower performance gains.
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