Perceptions of professional soccer coaches, support staff and players toward virtual reality and the factors that modify their intention to use it. by Ben Greenhough, Steve Barrett, Chris Towlson, Grant Abt

“…A small evidence base supports the use of virtual reality in professional soccer, yet there is a lack of information available on perceptions and desire to use the technology from those employed at professional soccer clubs. …”
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Anthropometry, Body Composition, and Physical Fitness in Semi-Professional Soccer Players: Differences between Sexes and Playing Position by Víctor Toro-Román, Francisco J. Grijota, Diego Muñoz, Marcos Maynar-Mariño, Sara Clemente-Gil, María C. Robles-Gil

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How Coaches Can Improve Their Teams’ Match Performance—The Influence of In-Game Changes of Tactical Formation in Professional Soccer by Leon Forcher, Leon Forcher, Leander Forcher, Darko Jekauc, Hagen Wäsche, Alexander Woll, Timo Gross, Stefan Altmann, Stefan Altmann

“…The tactical formation has been shown to influence the match performance of professional soccer players. This study aimed to examine the effects of in-game changes in tactical formation on match performance and to analyze coach-specific differences. …”
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The effect of three different pre-match warm-up structures on male professional soccer players’ physical fitness by Mehdi Ben Brahim, Alejandro Sal-de-Rellán, Adrián García-Valverde, Hussain Yasin, Javier Raya-González

“…Thus, the aim of this study was to analyze the effects of three pre-match warm-up structures on the physical condition of male professional soccer players. Materials & Methods Seventeen male professional soccer players (age: 20.9 ± 2.4 years) of one Tunisian Professional Soccer League team participated in this study. …”
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Maximum acceleration performance of professional soccer players in linear sprints: Is there a direct connection with change-of-direction ability? by Irineu Loturco, Lucas A Pereira, Tomás T Freitas, Pedro E Alcaraz, Vinicius Zanetti, Chris Bishop, Ian Jeffreys

“…The purpose of this study was to examine the selective influences of the maximum acceleration capability on change of direction (COD) speed, COD deficit, linear sprint speed, sprint momentum, and loaded and unloaded vertical jump performances in forty-nine male professional soccer players (24.3 ± 4.2 years; 75.4 ± 5.4 kg; 177.9 ± 6.4 cm). …”
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Stress fracture of the fifth metatarsal in professional soccer players treated with intramedullary fixation: is a return to sports safe? by Carlos Augusto Zazueta-Arnaud, Luis Gómez-Carlín, Luis Felipe Radillo-Ubando, Victor Jonathan Ramírez-Gómez, Elsa Viridiana Sánchez-Hernández

“…Results: Twenty-two professional soccer players (average age: 20.13 ± 2.85 years) were included. …”
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Match Load Physical Demands in U-19 Professional Soccer Players Assessed by a Wearable Inertial Sensor by Guglielmo Pillitteri, Valerio Giustino, Marco Petrucci, Alessio Rossi, Ignazio Leale, Marianna Bellafiore, Ewan Thomas, Angelo Iovane, Antonio Palma, Giuseppe Battaglia

“…Conclusions: Young professional soccer players showed different loads and performances during OMs in relation to playing positions. …”
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The association of dietary insulin load and dietary insulin index with body composition among professional soccer players and referees by Mohammad Beba, Mohammad Gholizadeh, Mohammad Sharifi, Tohid Seifbarghi, Kurosh Djafarian

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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

“…The COVID-19 lockdown negatively influenced the physical performance in professional soccer players.…”
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The Role of Veracity on the Load Monitoring of Professional Soccer Players: A Systematic Review in the Face of the Big Data Era by João Gustavo Claudino, Carlos Alberto Cardoso Filho, Daniel Boullosa, Adriano Lima-Alves, Gustavo Rejano Carrion, Rodrigo Luiz da Silva GianonI, Rodrigo dos Santos Guimarães, Fúlvio Martins Ventura, André Luiz Costa Araujo, Sebastián Del Rosso, José Afonso, Julio Cerca Serrão

“…However, data veracity for load monitoring in professional soccer players has not been analyzed yet. This systematic review aims to evaluate the current evidence from the scientific literature related to data veracity for load monitoring in professional soccer. …”
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Successful Repair of M. obliquus Internus Abdominis Avulsion at the Iliac Crest—Operative Technique in Professional Soccer Players by Heinz Lohrer, Andreas Höferlin

“…Methods This report presents three cases of professional soccer players who were treated surgically with transosseous reattachment to the iliac crest. …”
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Weekly variations of accelerometer variables and workload of professional soccer players from different positions throughout a season by Hadi Nobari, Gibson Moreira Praça, Sarah da Glória Teles Bredt, Pablo Prieto González, Filipe Manuel Clemente, Jorge Carlos-Vivas, Luca Paolo Ardigò

“…Abstract The current study aimed to analyze, using accelerometer-based activity, acute workload, chronic workload, acutechronic workloads ratio, training-monotony and training-strain throughout a competitive soccer-season and to compare these variables between players from different playing positions. Twenty-one professional soccer-players were monitored during the 48 weeks of the season. …”
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Inter- and intra-microcycle external load analysis in female professional soccer players: A playing position approach by Elba Diaz-Seradilla, Alejandro Rodríguez-Fernández, José Antonio Rodríguez-Marroyo, Daniel Castillo, Javier Raya-González, José Gerardo Villa Vicente

“…External load during four consecutive microcycles (i.e., M1, M2, M3, and M4) and training sessions (i.e., MD-4, MD-3, MD-2, and MD-1) and a match day (i.e., MD) were registered in seventeen female professional soccer players (age: 26.3 ± 4.6 years; height: 166.3 ± 6.1 cm; body mass: 59.8 ± 6.8 kg; and body mass index: 21.6 ± 1.7 kg·m-2) who belonged to the same team in Spanish first division. …”
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The Effects of Injury Preventive Warm-Up Programs on Knee Strength Ratio in Young Male Professional Soccer Players by Daneshjoo, A., Mokhtar, A.H., Rahnama, N., Yusof, A.

“…Purpose We aimed to investigate the effect of FIFA 11+ (11+) and HarmoKnee injury preventive warm-up programs on conventional strength ratio (CSR), dynamic control ratio (DCR) and fast/slow speed ratio (FSR) in young male professional soccer players. These ratios are related to the risk of injury to the knee in soccer players. …”

Quantifying and Comparing the Match Demands of U18, U23, and 1ST Team English Professional Soccer Players by James Reynolds, Mark Connor, Mikael Jamil, Marco Beato

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Effect of training day, match, and length of the microcycle on workload periodization in professional soccer players: a full-season study by José M. Oliva-Lozano, Carlos D. Gómez-Carmona, Víctor Fortes, José Pino-Ortega

“…The aims of this study were to: (a) describe and compare the volume and intensity from the workload of professional soccer players between training and MD, and (b) analyse the effect that the length of the microcycle had on the workload. …”
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Physical predictors for retention and dismissal of professional soccer head coaches: an analysis of locomotor variables using logistic regression pipeline by Honorato Sousa, Rabiu Muazu Musa, Filipe Manuel Clemente, Filipe Manuel Clemente, Filipe Manuel Clemente, Hugo Sarmento, Élvio R. Gouveia, Élvio R. Gouveia

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Training and match load ratios in professional soccer–should we use player- or position-specific match reference values? by Linda Ammann, Stefan Altmann, Stefan Altmann

“…Therefore, this study aimed to compare training match load ratios of professional soccer players per day of a microcycle with match load being player-specific and position-specific, respectively. …”
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Star Excursion Balance Test as a Predictor of Musculoskeletal Injury and Lower Back Pain in Non-Professional Soccer Players by Iva Sklempe Kokic, Katarina Petric, Danijela Kuna, Stjepan Jelica, Tomislav Kokic

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Application of a Custom Device to Measure Isometric Knee Strength: Possible Injury Correlation in Professional Soccer (Football) Players by Paolo Cigni, Tommaso Minuti, Andrea Mannini, Alessandro Cucini, Michele Costagli, Stefano Rapetti, Luca Alimonta, Erika Cione, Roberto Cannataro, Leonardo Ricotti

“…This retrospective study on 107 professional soccer players demonstrates that isometric force-related parameters of the knee extensors and flexors are associated with the risk of injury to lower limbs. …”
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