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https://www.readbyqxmd.com/read/29125029/match-derived-relative-pitch-area-changes-the-physical-and-team-tactical-performance-of-elite-soccer-players-in-small-sided-soccer-games
#1
Sigrid B H Olthof, Wouter G P Frencken, Koen A P M Lemmink
Small-sided games (SSGs) are used in training sessions to prepare for full-sized matches. For the same number of players, smaller pitch sizes result in decreased physical performance and shorter interpersonal distances. A relative pitch area derived from the full-sized match results in larger pitch sizes and this may increase the fit between SSGs and full-sized matches. This study aimed to investigate SSGs with a traditional small pitch and a match-derived relative pitch area in youth elite soccer players. Four age categories (under-13, under-15, under-17 and under-19) played 4 vs...
November 10, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29058465/positional-synchronization-affects-physical-and-physiological-responses-to-preseason-in-professional-football-soccer
#2
Hugo Folgado, Bruno Gonçalves, Jaime Sampaio
This study aimed to identify changes in tactical, physical and physiological performances in large-sided games during the preseason of elite footballers. Thirty professional football players participated in several GK+8vs.8+GK large-sided games across the first four weeks of the season. Players were monitored by GPS units and heart rate monitors to quantify physical, physiological and tactical performances. The variables were compared according to the preseason period, players' positioning and professional experience...
October 23, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28983273/mental-fatigue-and-spatial-references-impair-soccer-players-physical-and-tactical-performances
#3
Diogo Coutinho, Bruno Gonçalves, Bruno Travassos, Del P Wong, Aaron J Coutts, Jaime E Sampaio
This study examined the effects of mental fatigue and additional corridor and pitch sector lines on players' physical and tactical performances during soccer small-sided games. Twelve youth players performed four Gk+6vs6+Gk small-sided games. Prior to the game, one team performed a motor coordination task to induce mental fatigue, while the other one performed a control task. A repeated measures design allowed to compare players' performances across four conditions: (a) with mental fatigue against opponents without mental fatigue in a normal pitch (MEN), (b) with mental fatigue on a pitch with additional reference lines (#MEN); (c) without mental fatigue against mentally fatigued opponents on a normal pitch (CTR); and (d) without mental fatigue on a pitch with reference lines (#CTR)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28878712/how-game-location-affects-soccer-performance-t-pattern-analysis-of-attack-actions-in-home-and-away-matches
#4
Barbara Diana, Valentino Zurloni, Massimiliano Elia, Cesare M Cavalera, Gudberg K Jonsson, M Teresa Anguera
The influence of game location on performance has been widely examined in sport contexts. Concerning soccer, game-location affects positively the secondary and tertiary level of performance; however, there are fewer evidences about its effect on game structure (primary level of performance). This study aimed to detect the effect of game location on a primary level of performance in soccer. In particular, the objective was to reveal the hidden structures underlying the attack actions, in both home and away matches played by a top club (Serie A 2012/2013-First Leg)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28872370/neuromuscular-responses-to-conditioned-soccer-sessions-assessed-via-gps-embedded-accelerometers-insights-into-tactical-periodization
#5
Martin Buchheit, Mathieu Lacome, Yannick Cholley, Ben M Simpson
PURPOSE: To 1) examine the reliability of field-based running-specific measures of neuromuscular function assessed via GPS-embedded accelerometers and 2) examine their responses to three typical conditioned sessions (i.e., Strength, Endurance and Speed) in elite soccer players. METHODS: Before and immediately after each session, vertical jump (CMJ) and adductors squeeze strength (Groin) performances were recorded. Players also performed a 4-min run at 12 km/h followed by 4 ~60-m runs (run =12 s, r =33 s)...
September 5, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28866578/bring-it-to-the-pitch-combining-video-and-movement-data-to-enhance-team-sport-analysis
#6
Manuel Stein, Halldor Janetzko, Andreas Lamprecht, Thorsten Breitkreutz, Philipp Zimmermann, Bastian Goldlucke, Tobias Schreck, Gennady Andrienko, Michael Grossniklaus, Daniel A Keim
Analysts in professional team sport regularly perform analysis to gain strategic and tactical insights into player and team behavior. Goals of team sport analysis regularly include identification of weaknesses of opposing teams, or assessing performance and improvement potential of a coached team. Current analysis workflows are typically based on the analysis of team videos. Also, analysts can rely on techniques from Information Visualization, to depict e.g., player or ball trajectories. However, video analysis is typically a time-consuming process, where the analyst needs to memorize and annotate scenes...
August 29, 2017: IEEE Transactions on Visualization and Computer Graphics
https://www.readbyqxmd.com/read/28837900/-which-pass-is-better-novel-approaches-to-assess-passing-effectiveness-in-elite-soccer
#7
Robert Rein, Dominik Raabe, Daniel Memmert
Passing behaviour is a key property of successful performance in team sports. Previous investigations however have mainly focused on notational measurements like total passing frequencies which provide little information about what actually constitutes successful passing behaviour. Consequently, this has hampered the transfer of research findings into applied settings. Here we present two novel approaches to assess passing effectiveness in elite soccer by evaluating their effects on majority situations and space control in front of the goal...
August 21, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28828091/fundamental-tactical-principles-of-soccer-a-comparison-of-different-age-groups
#8
Paulo Henrique Borges, José Guilherme, Leandro Rechenchosky, Luciane Cristina Arantes da Costa, Wilson Rinadi
The fundamental tactical principles of the game of soccer represent a set of action rules that guide behaviours related to the management of game space. The aim of this study was to compare the performance of fundamental offensive and defensive tactical principles among youth soccer players from 12 to 17 years old. The sample consisted of 3689 tactical actions performed by 48 soccer players in three age categories: under 13 (U-13), under 15 (U-15), and under 17 (U-17). Tactical performance was measured using the System of Tactical Assessment in Soccer (FUT-SAT)...
September 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28692649/individual-ball-possession-in-soccer
#9
Daniel Link, Martin Hoernig
This paper describes models for detecting individual and team ball possession in soccer based on position data. The types of ball possession are classified as Individual Ball Possession (IBC), Individual Ball Action (IBA), Individual Ball Control (IBC), Team Ball Possession (TBP), Team Ball Control (TBC) und Team Playmaking (TPM) according to different starting points and endpoints and the type of ball control involved. The machine learning approach used is able to determine how long the ball spends in the sphere of influence of a player based on the distance between the players and the ball together with their direction of motion, speed and the acceleration of the ball...
2017: PloS One
https://www.readbyqxmd.com/read/28628369/premier-league-academy-soccer-players-experiences-of-competing-in-a-tournament-bio-banded-for-biological-maturation
#10
Sean P Cumming, Daniel J Brown, Siobhan Mitchell, James Bunce, Dan Hunt, Chris Hedges, Gregory Crane, Aleks Gross, Sam Scott, Ed Franklin, Dave Breakspear, Luke Dennison, Paul White, Andrew Cain, Joey C Eisenmann, Robert M Malina
Individual differences in the growth and maturation have been shown to impact player performance and development in youth soccer. This study investigated Premier League academy players' experiences of participating in a tournament bio-banded for biological maturation. Players (N = 66) from four professional soccer clubs aged 11 and 14 years and between 85-90% of adult stature participated in a tournament. Players competed in three 11 vs 11 games on a full size pitch with 25-min halves. Sixteen players participated in four 15-min focus groups and were asked to describe their experiences of participating in the bio-banded tournament in comparison to age group competition...
June 19, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28553245/mastery-in-goal-scoring-t-pattern-detection-and-polar-coordinate-analysis-of-motor-skills-used-by-lionel-messi-and-cristiano-ronaldo
#11
Marta Castañer, Daniel Barreira, Oleguer Camerino, M Teresa Anguera, Tiago Fernandes, Raúl Hileno
Research in soccer has traditionally given more weight to players' technical and tactical skills, but few studies have analyzed the motor skills that underpin specific motor actions. The objective of this study was to investigate the style of play of the world's top soccer players, Cristiano Ronaldo and Lionel Messi, and how they use their motor skills in attacking actions that result in a goal. We used and improved the easy-to-use observation instrument (OSMOS-soccer player) with 9 criteria, each one expanded to build 50 categories...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28514921/a-study-of-relationships-among-technical-tactical-physical-parameters-and-final-outcomes-in-elite-soccer-matches-as-analyzed-by-a-semiautomatic-video-tracking-system
#12
Cristoforo Filetti, Bruno Ruscello, Stefano D'Ottavio, Vito Fanelli
The performance of a soccer team depends on many factors such as decision-making, cognitive and physical skills, and dynamic ever-changing space-time interactions between teammate and opponents in relation to the ball. Seventy ( n = 70) matches of the Italian SERIE A season 2013-2014 were investigated to analyze the mean performance of 360 players in terms of physical (physical efficiency index; PEI) and technical-tactical (technical efficiency index; TEI) standpoints. Using a semiautomatic video analysis system that has incorporated new parameters able to measure technical-tactical and physical efficiency (Patent IB2010/002593, 2011-ISA), the correlation between these new variables and how much it relates to the likelihood of winning were verified...
June 2017: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/28419175/talent-identification-and-recruitment-in-youth-soccer-recruiter-s-perceptions-of-the-key-attributes-for-player-recruitment
#13
Paul Larkin, Donna O'Connor
Using the modified Delphi method, we aimed to understand the attributes youth coaches and recruiters perceive as important when identifying skilled youth performance at the entry level of representative soccer in Australia (i.e., Under 13 years). Furthermore, we also aimed to describe the current methods youth coaches and recruiters use to assess and identify these attributes in youth players. Australian regional youth technical directors and coaches (n = 20) completed a three stage process, including an initial interview and two subsequent questionnaires, whereby attributes and qualities associated with talent identification were rated and justified according to the importance for youth player performance and talent identification...
2017: PloS One
https://www.readbyqxmd.com/read/28220500/neuroplus-biofeedback-improves-attention-resilience-and-injury-prevention-in-elite-soccer-players
#14
Aiace Rusciano, Giuliano Corradini, Ivilin Stoianov
Performance and injury prevention in elite soccer players are typically investigated from physical-tactical, biomechanical, and metabolic perspectives. However, executive functions, visuospatial abilities, and psychophysiological adaptability or resilience are also fundamental for efficiency and well-being in sports. Based on previous research associating autonomic flexibility with prefrontal cortical control, we designed a novel integrated autonomic biofeedback training method called Neuroplus to improve resilience, visual attention, and injury prevention...
February 21, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28149378/the-influence-of-scoring-targets-and-outer-floaters-on-attacking-and-defending-team-dispersion-shape-and-creation-of-space-during-small-sided-soccer-games
#15
Julen Castellano, Pedro Silva, Oidui Usabiaga, Daniel Barreira
The effect of altered game formats on team performances during soccer practice can be harnessed by coaches to stimulate specific tactical behaviours. The aim of the present study was to analyse the influence of using (i) small goals [SG], (ii) goalkeepers [7G] and (iii) floaters [7GF] on the dispersion, shape and available space of teams during small-sided games (SSGs). Twenty-four male soccer players were distributed into four teams composed of five players, two goalkeepers and two floaters that performed six SSG bouts of 6 min, interspersed with 6 min of passive recovery...
June 1, 2016: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28144411/temporal-changes-in-technical-and-physical-performances-during-a-small-sided-game-in-elite-youth-soccer-players
#16
Alexandre Moreira, Marcelo Saldanha Aoki, Chris Carling, Rafael Alan Rodrigues Lopes, Ademir Felipe Schultz de Arruda, Marcelo Lima, Umberto Cesar Correa, Paul S Bradley
BACKGROUND: There have been claims that small-sided games (SSG) may generate an appropriate environment to develop youth players' technical performance associated to game-related problem solving. However, the temporal change in technical performance parameters of youth players during SSG is still unknown. OBJECTIVES: The aim of this study was to examine temporal changes in technical and physical performances during a small-sided game (SSG) in elite soccer players...
December 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/28113148/director-s-cut-analysis-and-annotation-of-soccer-matches
#17
Manuel Stein, Halldor Janetzko, Thorsten Breitkreutz, Daniel Seebacher, Tobias Schreck, Michael Grossniklaus, Iain D Couzin, Daniel A Keim
For development and alignment of tactics and strategies, professional soccer analysts spend up to three working days manually analyzing and annotating professional soccer matches. In an effort to improve soccer player and match analysis, a visual-interactive and data-analysis support system focuses on key situations by using rule-based filtering and automatically annotating key types of soccer match elements. The authors evaluate the proposed approach by analyzing real-world soccer matches and several expert studies...
September 2016: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28005978/emergence-of-exploratory-technical-and-tactical-behavior-in-small-sided-soccer-games-when-manipulating-the-number-of-teammates-and-opponents
#18
Carlota Torrents, Angel Ric, Robert Hristovski, Lorena Torres-Ronda, Emili Vicente, Jaime Sampaio
The effects that different constraints have on the exploratory behavior, measured by the variety and quantity of different responses within a game situation, is of the utmost importance for successful performance in team sports. The aim of this study was to determine how the number of teammates and opponents affects the exploratory behavior of both professional and amateur players in small-sided soccer games. Twenty-two professional (age 25.6 ± 4.9 years) and 22 amateur (age 23.1 ± 0.7 years) male soccer players played three small-sided game formats (4 vs...
2016: PloS One
https://www.readbyqxmd.com/read/27930455/heart-rate-technical-performance-and-session-rpe-in-elite-youth-soccer-small-sided-games-played-with-wildcard-players
#19
Javier Sanchez-Sanchez, Daniel Hernández, David Casamichana, Cristian Martínez-Salazar, Rodrigo Ramirez-Campillo, Jaime Sampaio
The aim of this study was to compare heart rate (HR), rating of perceived exertion (RPE), and technical-tactical actions during small-sided games (SSGs) played without (CTR), with internal (IW), and with IW and external (IEW) wildcard players. A total of 22 young male soccer players (age 17.2 ± 0.9 years) randomly completed six 4vs4 SSG situations. The control conditions occurred with goals scored without goalkeeper (4vs4-NO) and with goalkeeper (4vs4-GK). During the experimental conditions, the situations incorporated 2 IW (4vs4+2IW-NO, 4vs4+2IW-GK) and 2 IEW (4vs4+2IW+2IEW-NO, 4vs4+2IW+2IEW-GK)...
October 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27864571/the-relationship-between-coach-and-player-training-load-perceptions-in-professional-soccer
#20
Paulo Eduardo Redkva, Sergio Gregorio da Silva, Mauro Ricetti Paes, Julio Wilson Dos-Santos
The training load imposed and perceived by coaches and soccer players, respectively, was compared for three weeks of the basic preparatory period of a professional soccer team through session ratings of perceived exertion (S-RPE). Participants were 24 professional Brazilian soccer players (all males, age: 24.1 ± 3.4 years) and their coaches. Athletes responded to the scale of perceived exertion (scores from 0 to10) after the training, while the coaches completed the scale prior to the training session, based on prior planning...
November 17, 2016: Perceptual and Motor Skills
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