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© 2020 Adam Maszczyk, Paweł Dobrakowski, Magdalena Nitychoruk, Marcin Żak, Magdalena Kowalczyk, Michal Toborek, published by Sciendo.The aim of this study was threefold 1) to assess the configuration of an elite reserve soccer team, 2) to compare physical fitness performance of promoted and new players according to the playing position, and 3) to analyze the level of competitive participation attained by these players. We considered physical fitness tests (5 m and 15 m sprint, countermovement jump [CMJ] and aerobic endurance) performed by 192 players (age = 20.2 ± 2.3 years) enrolled in the reserve team of a Spanish La Liga club from 1994 to 2013. The players were classified according to the previous club criterion (promoted from the soccer academy and new players signed from other clubs), b) their playing position, and c) the competitive level attained until the 2016/2017 season (Spanish 1st and 2nd Divisions and the remaining competition levels). The proportion of promoted and new players was similar (p = 0.47). Overall, no substantial differences (unclear-small) were found in physical fitness performance between promoted and new players. Considering the playing position, promoted lateral defenders (LDs) showed better sprinting (ES = moderate) and CMJ (ES = moderate) performance than new LDs. In addition, promoted central midfielders (CMs) demonstrated better performance in the 5 m sprint and the CMJ (ES = moderate) than new CMs. The percentage of players who later competed in the Spanish 1st and 2nd Divisions was greater in promoted players compared to new players (p = 0.006). Physical fitness performance did not determine the selection of new players in a soccer elite reserve team. We may conclude that soccer academies should prioritize the selection and the training process of youth soccer players. © 2020 Asier Los Arcos, Raúl Martínez-Santos, Daniel Castillo, published by Sciendo.The aim of this study was to analyse the goal scoring patterns during the 2018 FIFA World Cup. All goals scored during the tournament were analysed using the InStat video analysis system. The results showed that 169 goals (open play 60.9%; set play 39.1%) were scored during the competition. While 85 goals (82.5%) were scored from elaborate attacks, 18 goals (17.5%) came from counter attacks. A chi-square test indicated that there was a significant difference in the type of possession (χ2 (1, n = 103) = 43.58, p = 0.00). The highest number of goals was yielded from the final third (35%) as compared to the first (33%) and middle (32%) thirds. The results also indicated that most goals accounted from short passes (69.9%), while 13.6% of goals came from long passes and 16.5% from mixed passes (χ2 (2, n = 103) = 62.12, p = 0.00). Soccer coaches should incorporate set pieces in their training sessions in view to improve goal-scoring opportunities. © 2020 Alliance Kubayi, published by Sciendo.The purpose of this study was to determine the effects of 12 weeks of circuit training on physical fitness in handball players. Subjects were randomly divided into a circuit strength training group (CT, n = 10) and a control group (CG, n = 9). Training sessions and matches were performed together, but during the 12-week intervention, the experimental group replaced part of the regular regimen with circuit strength training. Measures assessed in both groups before and after the intervention included the agility T-half Test, the Yo-Yo intermittent recovery test, squat and counter-movement jumps, 15 m and 30 m sprints, and strength tests for the bench press, pull over, and the half squat. The upper limb bench press and pull-over tests along with the lower limb back half squat were performed using a 1-repetition maximum protocol. Based on the intraclass correlation coefficient and excluding the agility T-test (ICC = 0.72), we found excellent relative reliability for all variables (intraclass correlation coefficient range 0.85-0.96, SEM range 0.03-3.00). For absolute reliability or coefficients of variation, 71% (5/7) of the variables were excellent (CV less then 5%). The circuit strength training group showed significant interaction effects and relevant effect sizes for the 12-week training period (8/9, 89%), and the mean effect size for the CT was markedly higher (d = 1.3, range 0.41 - 2.76) than in the CG (d = - 1.0, range -0.73 - 0.29). The largest improvements were in the Yo-Yo test (d = 2.76) and the squat jump (d = 2.05). These results show that a 12-week circuit strength training program is an effective method to increase handball-related performance characteristics. © 2020 Souhail Hermassi, Kevin Laudner, René Schwesig, published by Sciendo.The aim of this study was twofold i) to compare the rate of perceived exertion (RPE) and the frequencies of technical actions per minute in different small-sided games (SSGs) between under-14 and under-16 age groups, and ii) to compare the RPE and the frequencies of technical actions per minute between 1 x 1, 2 x 2, 3 x 3, 4 x 4 and 5 x 5 formats within age groups. Twenty young male basketball players from the same club (N = 10, from under-14; N = 10, from under-16) competing at the national level voluntarily participated in this study. Five different SSGs (1 x 1, 2 x 2, 3 x 3, 4 x 4 and 5 x 5) were played twice on courts of the same relative area and were compared in terms of the RPE and technical actions. The number of technical-tactical actions per minute, i.e. https://www.selleckchem.com/products/tpen.html conquered balls (CB), received balls (RB), lost balls (LB), attacking balls/passes (AB), shots (S), rebounds (R), and the RPE were collected for each player for each SSG session. The results revealed that most of the differences between age groups were considered trivial/small and/or unclear for all SSG formats, though likely moderate differences between age groups were found in 1 x 1 and 2 x 2 SSGs, revealing that young players had greater frequencies of received, conquered, and lost balls. Within-age-group comparisons also showed moderate-to-large increases in technical actions during smaller formats than during larger ones. The main evidence of this study revealed that age group seemed not to largely influence the RPE or technical actions during different SSGs. However, smaller formats moderately-to-largely increased the number of technical actions. Interestingly, the biggest format (5 x 5) largely increased the RPE in comparison to the remaining formats. As a conclusion, technical actions and the RPE were influenced more by the format of play than by the age group. © 2020 Filipe Manuel Clemente, Rita Sanches, Carlos Filipe Moleiro, Mónica Gomes, Ricardo Lima, published by Sciendo.
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