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- ANALYSIS OF OFFENSIVE AND DEFENSIVE ACTIONS OF YOUNG SOCCER GOALKEEPERSPublication . Santos, João; Sousa, Paulo Malico; Pinheiro, Valter; SANTOS, FERNANDO JORGE LOURENÇO DOSPurpose. The study aimed to investigate the defensive and offensive technical tactical actions of elite young football goalkeepers. Methods. The goalkeepers who participated in our study (n = 3; mean age: 16.6 years) had 8 years of experience in the position, were Portuguese, and competed in the Portuguese National Championship U-17. Thirty championship games were observed. The observational instruments used were constructed and validated for the investigation, and the technicaltactical actions were coded with the Lince® software. The data were processed through a descriptive analysis, by using the Microsoft Excel® computer program. Results. Defensive actions with most occurrences were goal defence (25.33 ± 8.14), deviation to punch (13.67 ± 12.5), with 2 hands (45.66 ± 21.38), and in zone 1 (50.33 ± 34.81). Offensive actions started more frequently with delayed pass (38.33 ± 28.01), for zone 1 (28.7 ± 20.60). The goalkeepers executed goal kick most frequently (17.33 ± 14.29), followed by short hand replacement (16.67 ± 12.06) and short pass (14.33 ± 10.02). The preferred pass zone was 9 (17.33 ± 10.26), and actions sought to initiate positional attack (86 ± 61.02). Conclusions. In the defensive process, the goalkeepers’ actions are mostly focused on the objective of goal defence; in the offensive process, technical actions with the hands and feet are important in the participation in positional attack construction.
- Effects of Pitch Size and Goalkeeper Participation on Physical Load Measures during Small-Sided Games in Sub-Elite Professional Soccer PlayersPublication . SANTOS, FERNANDO JORGE LOURENÇO DOS; Verardi, Carlos; Moraes, Mayra Grava de; Pessôa Filho, Dalton; Macedo, Anderson G.; Figueiredo, Teresa P.; Ferreira, Cátia C.; Borba, Ricardo P.; Espada, MárioThis study sought to examine the variations of internal and external load measures in soccer players when performing different types of 4 vs. 4 small-sided games (SSGs). Ten U-23 professional and sub-elite soccer players, eight outfield players (age: 20.1 ± 1.5 years old; height: 1.83 ± 0.04 m; total body mass: 76.1 ± 3.6 kg) and two goalkeepers (GK) (age: 20.5 ± 2.1 years old; height: 1.91 ± 0.04 m; total body mass: 77.0 ± 1.4 kg) participated in the study. Five SSGs were performed with 3 min duration and 3 min rest interval. SSG1, SSG2 and SSG4 aimed for ball possession play, while in SSG3 and SSG5, two GK were added, defending regular-size goals. The pitch size changed from SSG1 (16 × 24 m) to SSG2 and SSG3 (both 20 × 30 m) and SSG4 and SSG5 (both 24 × 36 m). All players were monitored using WIMU Pro device during the tasks. Anova One-Way and the post hoc Tukey honestly significant difference were used for analysis of statistically significant differences (p < 0.05) and effect sizes were determined by calculating partial eta-squared. The framework was associated with relevant but steady state internal load fatigue and induce a considerable external load stimulus. GK participation in SSGs should be carefully considered as it seems to have a greater impact on physical load measures when compared to the pitch size manipulation.