Contextualised high-intensity running profiles of elite football players with reference to general and specialised tactical roles by Wonwoo Ju, Dominic Doran, Richard Hawkins, Mark Evans, Andy Laws, Paul Bradley

“…Data were analysed across 5 general (Central Defensive Players = CDP, Wide Defensive Players = WDP, Central Midfield Players = CMP, Wide Offensive Players = WOP, Central Offensive Players = COP) and 11 specialised positions (Centre Backs = CB, Full-Backs = FB, Wing-Backs = WB, Box-to-Box Midfielders = B2BM, Central Defensive Midfielders = CDM, Central Attacking Midfielders = CAM, Wide Midfielders = WM, Wide Forwards = WF, Centre Forwards = CF). …”
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INFLUENCIA DE LAS VARIABLES CONTEXTUALES EN EL RENDIMIENTO FÍSICO EN EL FÚTBOL DE ALTO NIVEL by C. Lago, L. Casáis, E. Domínguez, J. Lago, E. Rey

“…However, at submaximal and maximal intensities external midfield players and forwards covered greater distances than defenders and central midfield players.<br /><strong>Key Words:</strong> time-motion analysis, contextual factors, soccer, physical performance.…”
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The Annalysis of Distance Covered, Heart Rate, and Body Fluid Loss in Every Position of Football Player by Muhammad Yusuf Rojali Rahmatillah, Eka Nugraha, Hamidie Ronald Daniel Ray

“…The results of this study show the distance covered the most reached External Midfielder 10.421 m, the highest Heart Rate Maximum reached Central Midfielder 200 bpm, Average heart highest rate External Defender 165 bpm, the biggest loss of body fluids Central Midfielder 0.9 %. …”
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Evaluating Tactical Skills of Amateur Soccer Players With Respect To Their Positions by Mine Taşkın, Turgut Kaplan, Osman Yılmaz, Halil Taşkın

“…Forwards and Central Defenders had higher tactical skills than did External Defenders, Central Midfielders, and External Midfielders in the positioning and deciding (P lt;0.05). …”
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Effect of Opposition Quality and Match Location on the Positional Demands of the 4-2-3-1 Formation in Elite Soccer by Giorgos Paraskevas, Ilias Smilios, Marios Hadjicharalambous

“…Wide defenders covered the most SPR and—along with the central midfielders—the most VHIR. Central midfielders covered the most TD and HIR. …”
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Effect of opposition quality and match location on the positional demands of the 4-2-3-1 formation in elite soccer by Giorgos Paraskevas, Ilias Smilios, Marios Hadjicharalambous

“…Wide defenders covered the most SPR and -along with the central midfielders-the most VHIR. Central midfielders covered the most TD and HIR. …”
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‘Setting the Benchmark’ Part 1: The Contextualised Physical Demands of Positional Roles in the FIFA World Cup Qatar 2022 by Paul S. Bradley

“…During a typical FIFA World Cup Qatar 2022 match, defensive and central midfielders covered 8-19% more total distance than other positional roles ( P <0.01; Effect Size [ES]: 0.8-2.5). …”
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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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Comparison of training and match load between metabolic and running speed metrics of professional Spanish soccer players by playing position by Berni Guerrero-Calderón, José Alfonso Morcillo, Marcos Chena, Alfonso Castillo-Rodríguez

“…The results showed significant differences between positions on match day; central midfielders covered higher total distance and low- and medium-speed running distance (moderate to large effect size) than central defenders, external defenders and forwards; forwards performed more metabolic power events than central defenders, central midfielders and wide midfielders; and central defenders showed the lowest very-high-speed running. …”
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Center backs work hardest when playing in a back three: The influence of tactical formation on physical and technical match performance in professional soccer. by Leon Forcher, Leander Forcher, Darko Jekauc, Alexander Woll, Timo Gross, Stefan Altmann

“…Conversely, the physical and technical performance of central midfielders and forwards only showed small differences between the different tactical formations. …”
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Within- and between-mesocycle variations of well-being measures in top elite male soccer players: a longitudinal study by Rafael Oliveira, Halil İbrahim Ceylan, João Paulo Brito, Alexandre Martins, Matilde Nalha, Bruno Mendes, Filipe Manuel Clemente

“…Additionally, participants were divided by playing positions: three wide defenders, four central defenders, three wide midfielders, four central midfielders, and three strikers. They were followed during 40-week in-season period. …”
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Exploring the impact of professional soccer substitute players on physical and technical performance by Pengyu Pan, Fangbin Li, Bo Han, Bo Yuan, Tianbiao Liu

“…The scoring performances of central midfielders of SP including goals, shots, and shots on target are significantly higher (p < 0.05) than RP or EMP. …”
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Football Match Line-Up Prediction Based on Physiological Variables: A Machine Learning Approach by Alberto Cortez, António Trigo, Nuno Loureiro

“…The logistic regression resulted in an index, called the line-up preparedness index, for the following player positions: Fullbacks, Central Midfielders and Wingers. For the other players’ positions, the model results were not satisfactory.…”
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The influence of tactical formation on physical and technical performance across playing positions in the Chinese super league by Wei Zhang, Bo Gong, Rancheng Tao, Fei Zhou, Miguel Ángel Gómez Ruano, Changjing Zhou

“…Moreover, fullbacks and central midfielders executed markedly more passes with superior pass success rates in 4-back formations than in 3-5-2 formations (ES range: 0.2–0.53, p < 0.01). …”
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The isometric and isokinetic knee extension and flexion muscle strength profile of elite soccer players by Charly Keytsman, Jonas Verbrugghe, Bert O Eijnde

“…Quadriceps was significantly (p = 0.023) higher in strikers compared to central midfielders in both the dominant (+ 9%) and the non-dominant (+ 4%) leg. …”
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Changes of physical match performance after the COVID-19 lockdown in professional soccer players according to their playing position by Łukasz Radzimiński, Miguel Lorenzo-Martinez, Marek Konefał, Paweł Chmura, Marcin Andrzejewski, Zbigniew Jastrzębski, Alexis Padrón-Cabo

“…A reduction in high-speed running was observed in central defenders (p < 0.05), central midfielders (p < 0.01) and forwards (p < 0.05). …”
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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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Classified metabolic power-based measures in professional football players: comparison between playing positions and match period by Zeki Akyildiz, Erhan Çene, Coşkun Parim, Onat Çetin, Çağatay Turan, Yılmaz Yüksel, Rui Silva, Ana Filipa Silva, Hadi Nobari

“…Results Significant between-position differences were observed for IP (p: 0.000; d: 0.284), HP (p ≤ 0.001; d = 0.45), EP (p ≤ 0.001; d = 0.44), and for MP (p ≤ 0.001; d = 0.56), with the central defenders (CD) showing the lower values, and the central midfielders (CM) showing the higher values for the overall measures. …”
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