TRAINING AND FITNESS VARIABILITY IN ELITE YOUTH SOCCER: PERSPECTIVES FROM A DIFFICULTY PREDICTION MODEL

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Abstract

Research within sport science disciplines seeks to enhance performance via the combination of factors that influences the team’s periodization. The current study aimed to investigate the variations in training load (TL), and the consequential changes in fitness variables, based on the use of match difficulty prediction model (MDP), level of opposition (LOP), days between matches, and match location during 12 weeks in the competitive period I. Seventeen elite soccer players (age = 17.57 ± 0.49 years; body height 1.79 ± 0.05 m; body weight 72.21 ± 6.96 kg), have completed a Yo-Yo intermittent recovery test, a running-based anaerobic sprint test, a soccer-specific repeated sprint ability, and a vertical jump test to identify changes in players fitness. TL was determined by multiplying the RPE of the session by its duration in minutes (s-RPE). Training monotony, strain, and acute:chronic workload ratio (ACWR) were also assessed. A simple regression model was conducted and the highest variances explained (R2) were used. The LOP score explained most of the variance in ACWR (r= 0.606, R2 =0.37). TL declined significantly when compared the match-day by the first three days and the last three days of the week. No significant difference was found in s-RPE between the high and low MDP factor. Strong negative correlations were reported between ACWR and LOP (r=-0.714, p

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Elghoul, Y., Trabelsi, K., Masmoudi, L., Kahla, A. B., Souissi, M. A., Clark, C. C. T., … Frikha, M. (2022). TRAINING AND FITNESS VARIABILITY IN ELITE YOUTH SOCCER: PERSPECTIVES FROM A DIFFICULTY PREDICTION MODEL. Kinesiology, 54(1), 25–35. https://doi.org/10.26582/k.54.1.3

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