Abstract We present a critical reflection on the mechanical variable Player Load, which is based acceleration data and commonly used in sports. Our motivation to write this paper came from difficulties that we encountered calculation interpretation of Load using our own data, since did not use Catapult Sports equipment, merchandise company proposed variable. reviewed existing literature order understand better; found many inconsistencies PL methods meanings attached it. Accordingly, presents...

This study aimed to compare the perceived training load (session-RPE) and wellness status (muscle soreness, stress, fatigue, sleep quality) within between regular (one-match) congested (two matches) weeks. Fifteen professional basketball players from a European First league club participated in this study. Wellness (Hooper's questionnaire) loads were measured for each session matches over full season. Regular weeks presented moderately greater session-RPE than (p = 0.201; d 2.15, moderate...

The analyses of players and teams' behaviors during the FIFA World Cup may provide a better understanding on how football tactics strategies have developed in past few years elite football. Social Network Analysis (SNA) has been carried out investigations about passing distribution, improving interact cooperate match. In official matches, studies used SNA as means coding players' cooperation opposition patterns. However, situational variables such match status were previously investigated...

This study aimed to systematically review the influence of relative area on athletes' physical and physiological responses (outcomes) during small-sided games soccer which were not matched area. It also presents a meta-analysis comparing standard protocols with different areas. We searched Web Science Scopus electronic databases for literature published up March 2020 following all PRISMA guidelines selecting articles qualitative quantitative synthesis. As result, eleven inclusion criteria....

This study aimed to compare the physical and physiological responses of young football players different categories during small-sided games (SSGs) played on pitch sizes. Forty-eight (24 U-13 24 U-14) athletes a 3 vs. + 1 SSG in two experimental conditions: regular (36 × 27 m) large sizes (40 29 m). The total distance covered, distances covered at speed zones (0 6.9 km/h, 14.3, 14.3 21.4), maximum heart rate, mean rate were recorded. results showed that older larger SSGs (p = 0.001; d 0.937;...

Previous studies on soccer small-sided games (SSGs) chose between with and without offside rule conditions evidence-based criteria. The current study aimed to compare the positional dynamics of 3v3 SSGs rule.Twenty-four Brazilian U-17 national-level players were recruited. They split into eight teams played . Positional data gathered by a Global Positioning System, teams' length, width, length per width ratio (LPWratio), stretch index players' spatial exploration calculated. Data compared...

This study compared external load variations between 5 vs and 10 sided game formats played under two conditions: (i) a ball possession with floaters, (ii) regular goalkeepers small goals. Twenty-two professional soccer players participated in this study: four central defenders, wide nine midfielders, three forwards, strikers. Total distance (TD), running (RD), sprinting (SD), number of sprints (NS), player's training (PL) were recorded by GPS units. Within-format analyses revealed very...

This study aimed to compare the frequencies of core tactical principles, percentages successful and general network properties football small-sided conditioned games (SSCG) with without limitation number ball touches. Thirty-six under-15 national level players participated in this performed atotal 15,067 actions. They four SSCG bouts 4 minutes passive recovery between each bout, two experimental conditions: free-play two-touch SSCG. Tactical behaviour performance were analysed using System...

This study compared the physical, physiological, and spatiotemporal responses of soccer athletes in small-sided games (SSG) two experimental conditions: progression to target rule (PG), which they should take ball opponent's endline score points, SSG with regular rules (RG), goals win game.Twenty U-20 played both formats. The were as four 4-minute bouts minutes passive recovery consecutive days. Heart rate, physical (distances accelerations), positional data (length, width, spatial...

Different small-sided games (SSG) can be used by coaches to induce specific demands on athletes during team sports training. In basketball, defensive and time pressures are common stressors experienced players official matches. However, no studies have investigated the effect of changing these variables in SSG We compared physical physiological three basketball performed a half court with two hoops: 3vs3 man-to-man defence playing area, full reduced shot-clock (3vs3HALF, 3vs3FULL, 3vs3RT,...

Abstract The current study aimed to analyze, using accelerometer-based activity, acute workload, chronic acutechronic workloads ratio, training-monotony and training-strain throughout a competitive soccer-season compare these variables between players from different playing positions. Twenty-one professional soccer-players were monitored during the 48 weeks of season. Players grouped according their position. Four lateral-defenders four winger-players formed LDW group, central-defenders...

Space creation dynamics (SCDs) describe actions players perform to create a scoring opportunity. This study compared SCDs and types of offense during three different versus (3vs.3) basketball small-sided games (SSGs) played in half court: 3vs.3 with man-to-man defense playing area (3vs.3HALF), full (3vs.3FULL), reduced shot clock (3vs.3RT). We also investigated the efficacy all SSGs reliability 3vs.3HALF. While did not differ among these SSGs, 3vs.3RT presented significantly more "space ball...

This study aimed to compare the effect of manipulating absolute and relative area SSCG on players' behaviour. 36 players were selected from U-13 U-14 category. The played in three different formats: 3 vs. (36 × 27 m, 162 m2), + 1 139 large (40 29 m2). Tactical behaviour network properties assessed using FUT-SAT Social Network Analysis, respectively. A two-way ANOVA was used dependent variables between ages. Results showed that performed more actions offensive coverage (p = 0.01;...

This study aimed to compare the tactical behavior of young soccer players during small-sided games played with team composition criteria based on procedural knowledge, aerobic power and speed performance. Eighteen male 3vs.3 teams balanced according players’ performance Sprint Test, Yo-Yo Intermittent Recovery Test ield test System Tactical Assessment in Soccer. Data related incidence principles were analyzed through proportions chi-square Bonferroni’s correction. One-way ANOVA was used...

This study aimed to identify the association between criteria related final third entries (how, where, and spatial pattern of interaction teams) success offensive unities in elite soccer. We analyzed 3327 from 30 matches 2019 Copa do Brasil (Brazilian cup, round 16 final). To analyze associations attacking outcome, we used an chi-square test (contingency tables) with significance level set p <0.05. Results showed that “central corridor” (z=5.5), “ball recovery” (z=6.8), “midline vs. line”...

DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n5p602 The aim of this study was to investigate the physical, physiological (HR) and tactical demands small-sided soccer games (SSG) with numerical equality (3x3) superiority (4x3). Eighteen male players a team played against each other both types SSG, as two 4-minute bouts interspersed rest. Physical (distances, velocities accelerations) HR were recorded by GPS system (15hz) heart rate monitor during SSG. individual behaviors proposed System...

This study aimed to analyze the intersession reliability of global positioning system (GPS-based) distances and accelerometer-based (acceleration) variables in small-sided soccer games (SSG) with without offside rule, as well compare between tasks. Twenty-four high-level U-17 athletes played 3 versus (plus goalkeepers) SSG two formats (with rule). were performed on eight consecutive weeks (4 for each group), twice a week. The physical demands recorded using GPS an embedded triaxial...

Abstract Purpose. The study aimed to compare social network analysis (SNA) general measures and centrality levels of successful unsuccessful offensive sequences performed by elite national teams in 64 matches the FIFA World Cup 2014 tournament level between playing positions. Methods. Adjacency matrices passing within an unit were built treated a dedicated SNA software. Results. main results indicated significantly lower values total links density comparison with ones that achieved round 8,...

Purpose Small-sided games (SS G) with floaters are frequently adopted during the training process of soccer players. However, no study has previously investigated how rules imposed to these additional players impact physical, tactical, and physiological responses regular This aimed analyse influence number on players’ tactical behaviour, physical demands, in SS Gs compare variables between different positional statuses. Methods Overall, 32 U-13 (<i>n</i> = 16) U-14 participated...

This study followed a cross-sectional design and aimed to compare the offensive defensive tactical-technical actions physical physiological responses between four 3vs.3 basketball small-sided games (SSGs) played on half-court: with regular rules (3vs.3REGULAR), pressure (3vs.3DEFPRESS), close-shot rule (3vs.3CLOSESHOT), numerical superiority (4vs.3). Fifty-one U-14 U-15 male athletes participated in study. They were divided into 3-player teams one 4-min bout of each SSG type. Heart rate time...

Este estudo objetivou comparar o comportamento tático individual e as propriedades da rede de interações atletas com maior menor capacidade tática durante pequenos jogos no futebol.A amostra foi composta por 19 jogadores futebol sub-17 (16.2 anos) um mesmo time, nível nacional.Jogadores foram divididos em grupo 1 2, tática, respectivamente, medida pelo FUT-SAT.Na sequência, eles participaram 12 campo 36mx27m todas regras do jogo formal.Avaliou-se dos meio incidência princípios táticos...

This study compared athletes’ rate of perceived exertion (RPE) and the number their technical-tactical actions in small-sided basketball games (SSG) played within same relative area with adjusted bout durations (a) varied game formats; (b) two successive bouts different formats. Ten young female players (14.3±1.3 years) five formats (1x1, 2x2, 3x3, 4x4, 5x5). The per player minute decreased from smaller to larger SSG format, players’ RPE tended be higher We concluded that increased...