Comparison of Match External Loads across a Men’s and Women’s Lacrosse Season by Jennifer B. Fields, Andrew R. Jagim, Nicholas Kuhlman, Mary Kate Feit, Margaret T. Jones

“…Midfielders covered the greatest distance at high speeds (<i>p</i> = 0.011) and the smallest distance at low speeds (<0.001) for WLAX. …”
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Area per player in small-sided games to replicate the external load and estimated physiological match demands in elite soccer players. by Andrea Riboli, Giuseppe Coratella, Susanna Rampichini, Emiliano Cé, Fabio Esposito

“…Central-midfielders required higher area-per-player than central-defenders [ES: 1.69(0.20/2.90)] and wide-midfielders [ES: 1.35(-0.13/2.57)]. …”
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Prevalence of burnout syndrome and perception by playing position in professional football players by Rodrigo Weyll Ferreira, Victor Silveira Coswig, Pedro Antonio Marques da Silva Monteiro, Jhonatan Welington Pereira Gaia, Eduardo Macedo Penna, Daniel Alvarez Pires

“…Methods: The participants were 100 professional football players (mean age 24.3 ± 4.6 years and meantime as a professional athlete of 9.2 ± 4.5 years) who were divided into three groups: 27 forwards, 34 midfielders, and 39 defenders. The Athlete Burnout Questionnaire (ABQ) and a sociodemographic questionnaire were applied. …”
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Prospective Evaluation of Injuries occurred during the Brazilian Soccer Championship in 2016 by Diogo Cristiano Netto, Gustavo Gonçalves Arliani, Edilson Schwansee Thiele, Monica Nunes Lima Cat, Moises Cohen, Jorge Roberto Pagura

“…The most frequently affected body segment was the lower limbs (76.3%), and the athletes acting in midfield and forward positions were themost affected. …”
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Team numerical advantage in Australian rules football: A missing piece of the scoring puzzle? by Jeremy P Alexander, Timothy Bedin, Karl B Jackson, Sam Robertson

“…Total players and team numerical advantage were also quantified continuously throughout a match, which were separated into three match phases (offence, defence, and stoppage) and four field positions (defensive 50, defensive midfield, attacking midfield, and forward 50). Results identified an increased team numerical advantage produced a greater likelihood of gaining possession from clearances or generating a score from inside 50's. …”
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The Physical Demands of Match-Play in Academy and Senior Soccer Players from the Scottish Premiership by Ryland Morgans, Eduard Bezuglov, Patrick Orme, Kyler Burns, Dave Rhodes, John Babraj, Rocco Di Michele, Rafael Franco Soares Oliveira

“…Strikers (118 m, <i>p</i> = 0.03), and in Central Midfielders vs. both Strikers (104 m, <i>p</i> = 0.03) and Wide Midfielders (154 m, <i>p</i> = 0.01). …”
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Capacidade cardiopulmonar de jogadores de diferentes posições da Seleção Brasileira Militar de futebol: perfil da equipe no início da temporada by André Helou, Danielli Mello, José Mauro Malheiros Maia Junior, Miriam Raquel Meira Mainenti

“…Twenty-eight athletes (19-40 years old) were evaluated (five defenders, five lateral midfielders, five central defenders, six central midfielders, seven forwards). …”
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Small-world networks in professional football: conceptual model and data by José Gama, Micael Couceiro, Gonçalo Dias, Vasco Vaz

“…The results suggest that players’ interactive behaviours within a football match support the existence of a scale free network. Defenders and midfielders are the athletes presenting the highest level of connectivity with their teammates. …”
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What Do Football Players Look at? An Eye-Tracking Analysis of the Visual Fixations of Players in 11 v 11 Elite Football Match Play by Karl Marius Aksum, Lukas Magnaguagno, Christian Thue Bjørndal, Geir Jordet

“…Our results show that elite football midfielders increased their fixation duration when more information sources became available to them. …”
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Player Tracking Data Analytics as a Tool for Physical Performance Management in Football: A Case Study from Chelsea Football Club Academy by Varuna De Silva, Mike Caine, James Skinner, Safak Dogan, Ahmet Kondoz, Tilson Peter, Elliott Axtell, Matt Birnie, Ben Smith

“…In matches, the Centre Forwards face the highest demand for High Speed Runs (HSRs), compared to Central Midfielders and Full Backs. However, on average the Central Midfielders tend to cover more distance than Centre Forwards and Full Backs. …”
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Levels of aerobic fitness as an unfair parameter in Algerian football training programs by Mohammed Zerf, Ali Bengoua, Mokkedes Moulay Idriss

“…Founded on the principle kinetics analyse, which confirms that among competitive soccer players, wing-backs and central midfielders cover long distances at high speed, then by defenders and attackers. …”
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Model characteristics of leading football players of different positions. by Andrey Pertsukhov, Victor Shalenko

“…Conclusions: the data of the study show differences in morphological parameters and the structure of the competitive activities of the best goalkeepers, defenders, midfielders and forwards in the games of the 2019/2020 UEFA Champions League.…”
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Acceleration, Deceleration and Dynamic Stress Load in Elite Hurling: A Between-Quarter and Between-Position Comparison by Damien Young, Giuseppe Coratella

“…Each position experienced a temporal decrease in at least one quarter (ES = 0.43–1.46) in all metrics except full-backs’, half-backs’ and full forwards’ accelerations, midfielders’ decelerations and midfielders’ and half forwards’ DSL. …”
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Do male and female soccer players differ in helping? A study on prosocial behavior among young players. by Paul A M Van Lange, Zoi Manesi, Robert W J Meershoek, Mingliang Yuan, Mengchen Dong, Niels J Van Doesum

“…Contrariwise, helping intentions decline in high-stakes situations, for example when one's own team is losing, when one is close to a scoring position in the offense (rather than at the midfield), or when the outcome of the game is still uncertain. …”
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Evolution of technical activity in various playing positions, in relation to match outcomes in professional soccer by Marek Konefał, Paweł Chmura, Tomasz Zając, Jan Chmura, Edward Kowalczuk, Marcin Andrzejewski

“…These players were classified into five positional roles: central defenders (CD), full-backs (FB), central midfielders (CM), wide midfielders (WM) and forwards (F). …”
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Match running performance characterizing the most elite soccer match-play by Toni Modric, Sime Versic, Ryland Morgans, Damir Sekulic

“…No differences in overall MRP between fullbacks, central midfielders, wide midfielders and forwards from BFLTs and their peers from N-BFLTs were found, while only central defenders from BFLTs covered more high-intensity running than central defenders from BFLTs (moderate effects size). …”
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Match performance variables influential in selection into the English national football team by He, Qixiang

“…Purpose: To examine match actions of players in the four major playing positions in football (goalkeepers, defenders, midfielders, forwards) to see if they can distinguish between players selected or not selected for the national team. …”
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Effect of a 12-Week Football Programme on Body Composition, Physical Condition, and Analysis of Physical Demands in Young Male Children by Antonio Hernandez-Martin, Javier Sanchez-Sanchez, Jose Luis Felipe, Samuel Manzano-Carrasco, Leonor Gallardo, Jorge Garcia-Unanue

“…The training and position of midfielders require higher physical demands.…”
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Analysis of isokinetic knee strength in soccer players in terms of selected parameters by A.K. Yılmaz, M. Kabadayı, Ö. Bostancı, M. Özdal, M.H. Mayda

“…When the positions of soccer players and isokinetic knee strengths were compared, significance was found between 60° right extension strength of defenders and midfielders and 60° left extension-flexion strengths of defenders and midfielders and forwards in favour of defenders (p > 0.05). …”
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Anthropometric characteristics of professional football players in relation to the playing position and their significance for success in the game by M. Joksimović, I. Skrypchenko, K. Yarymbash, D. Fulurija, S. Nasrolahi, M. Pantović

“…The lowest height, weight and BMI were recorded in the midfielders. Conclusions: Based on the results of the research it can be concluded that the morphological characteristics have a vital role in determining the success of athletes. …”
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