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- Effects of the sports level, format of the game and task condition on heart rate responses, technical and tactical performance of youth basketball playersPublication . Manuel Clemente, Filipe; González-Víllora, Sixto; Delextrat, Anne; M. L. Martins, Fernando; Vicedo, Juan Carlos PastorThe aim of this study was to analyze the effect of different small-sided and conditioning games (SSCG) with different tactical contents on heart rate responses, technical performance and collective organization of youth basketball players of different performance levels. Twenty male basketball players from U14 (13.7 ± 0.8 years old; 4.2 ± 1.4 years of practice) and U16 (15.3 ± 1.1 years old; 6.4 ± 2.1 years of practice) participated in this research study. The two-way MANOVA revealed that the sports level (p = 0.009; = 0.151), format (p = 0.001; = 0.246) and task condition (p = 0.023; = 0.104; small effect size) had significant main effects on heart rate responses. It was also found that the format (p = 0.001; = 0.182) had significant main effects on technical performance. A smaller format significantly increased the heart rate, volume of play, efficiency index and collective density during attacking plays. The SSCG with attacking content statistically increased the heart rate, efficiency index and performance score. Therefore, this study revealed that different SSCGs with tactical content influenced the physiological responses of youth players.
- Analysis of physiological, technical, and tactical analysis during a friendly football match of elite U19Publication . Ortega, Juan Ignacio; Evangelio, Carlos; Manuel Clemente, Filipe; M. L. Martins, Fernando; González-Víllora, SixtoThe main objective was to analyze a friendly match of youth elite soccer players identifying the variance of tactical and physiological response parameters during the game. In addition, detecting the impact of both halves on player performance. For the purposes of this study twenty-two U19 players were analyzed playing 11v11. Activity profile, heart rate (HR and HRmax), grouped in five different zones were analyzed via Bluetooth technology, technical performance was analyzed by the Team Sport Assessment Procedure (TSAP), and tactical performance was measured by Social Network Analysis. A comparison of heart rate responses showed significant main effects in the halves (p = 0.001; η 2 p = 0.623). A comparison between tactical position and technical performance had significant main effects (p = 0.001; η 2 p = 0.390). Tactical position showed statistically significant effects on tactical prominence (p = 0.002; η 2 p = 0.296). Therefore, fatigue is a component distinguished in technical/tactical parameters, such as volume of play and efficiency index. Results suggest that fatigue effects may constrain technical performance and, for that reason, the use of instruments to monitor the fatigue effect during matches may be suggested.