Injectable orthobiologics in professional football (soccer) players: a systematic review by Theodorakys Marín Fermín, Emmanouil Papakostas, Luca Macchiarola, Frantzeska Zampeli, Giorgos Kalifis, Laura De Girolamo, Bashir Ahmed Zikria, Miguel Khoury, Pieter D'Hooghe

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The influence of different exercise intensities on kicking accuracy and velocity in soccer players by Ricardo Ferraz, Roland van den Tillar, Mario C. Marques

“…Purpose: The aim of this study was to investigate the influence of different exercise intensities induced by a soccer specific protocol on kicking performance in soccer players. Methods: Twelve semi-professional male soccer players participated in this study and performed maximal instep kicks before and after the implementation of an exercise protocol to determine the influence of different intensities upon kicking ball velocity and the target-hitting accuracy. …”
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Stability and Dynamic Walk Control of Humanoid Robot for Robot Soccer Player by Rudolf Jánoš, Marek Sukop, Ján Semjon, Peter Tuleja, Peter Marcinko, Martin Kočan, Maksym Grytsiv, Marek Vagaš, Ľubica Miková, Tatiana Kelemenová

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Analysis of anthropometric and physical performance variables in U-17 soccer players by Samuel Honório, Samuel Honório, Marco Batista, Marco Batista, João Serrano, João Serrano, João Petrica, João Petrica, Miguel Rebelo, Miguel Rebelo, Fernando Vieira, André Lopes, Jorge Santos

“…The objective was to analyse the effects of training (aerobic and continuous) on the leg power, fatigue levels, speed, agility, body fat, muscle mass and bone mass of these players.MethodsSeventy-two soccer players, male and under 17, from 4 teams participated. …”
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Preseason preparation training and endothelial function in elite professional soccer players by Androulakis NE, Koundourakis NE, Nioti E, Spatharaki P, Hatzisymeon D, Miminas I, Alexandrakis MG

“…Methods: Twenty-three (15 nonsmokers and eight smokers) healthy, elite male professional soccer players (mean age: 25.2±4.3 years, BMI: 23.1±1.3 kg/m2, fat: 7.8%±2.6%) were selected for this study. …”
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Sensitivity of the speed evaluation tests of carrying the ball in youth soccer players by Rakojević Bojan, Leontijević Bojan, Janković Aleksandar

“…The obtained results proved that the examinees from the group of more successful soccer players (Group 1) scored better on the applied tests when compared to the results of the group consisting of the soccer players from lower ranked clubs and who are not national team members (Group 2). …”
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Individual Locating of Soccer Players from a Single Moving View by Adrien Maglo, Astrid Orcesi, Julien Denize, Quoc Cuong Pham

“…This article describes a framework that extracts individual soccer player positions on the field. It is based on two main components. …”
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Urinary Metabolomics in Young Soccer Players after Winter Training Season by Hyang-Yeon Kim, Jung-Dae Lee, Yun-Hwan Lee, Sang-Won Seo, Ho-Seong Lee, Suhkmann Kim, Kyu-Bong Kim

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The Reliability of Linear Speed with and without Ball Possession of Pubertal Soccer Players by Nikolaos Manouras, Christos Batatolis, Panagiotis Ioakimidis, Konstantina Karatrantou, Vassilis Gerodimos

“…The present study examined the inter- and intra-session reliability of 30 m linear speed with and without ball possession as well as the reliability of a specific performance index of pubertal soccer players. A total of 40 pubertal (14.87 ± 1.23 years old) male soccer players performed two testing sessions (test–retest) separated by 72 h. …”
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Can soccer players return to sport after knee realignment osteotomy? by Daniel J. Chernoff, Thomas J. Kremen, Kristofer J. Jones

“…Introduction: Knee realignment osteotomy can be the treatment of choice for unicompartmental arthrosis or symptomatic malalignment, but few studies report on return to sport rates among soccer players. Objectives: To review the available literature on return to sport rates for soccer players undergoing knee tibiofemoral realignment osteotomies. …”
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The incidence and severity of COVID-19 in adult professional soccer players in Russia. by Eduard Bezuglov, Vladimir Khaitin, Artemii Lazarev, Evgeniy Achkasov, Larisa Romanova, Mikhail Butovskiy, Vladimir Khokhlov, Maxim Tsyplenko, Alexander Linskiy, Petr Chetverikov, Magomedtagir Sugaipov, Arseniy Petrov, Oleg Talibov, Zbigniew Waśkiewicz

“…There are little data on the incidence, and clinical course of COVID-19 among professional soccer players, and the studies examining putative complications of COVID-19 infections are probabilistic. …”
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Adductor Strain and Hip Range of Movement in Male Professional Soccer Players by A Ibrahim, GAC Murrell, P Knapman

“…To determine whether hip range of movement (ROM) can predict the occurrence of adductor strain among male professional soccer players. Methods. 120 subjects were prospectively selected from 6 professional soccer clubs in Australia. …”
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Visual search strategies of young soccer players according to positional role by Felipe Dambroz, Felippe Cardoso, José Afonso Neves, Israel Teoldo

“… We aimed to compare the visual search strategies of young soccer players with different positional roles. Data was collected with the Mobile Eye Tracking — XG to verify gaze behaviour through visual focus. …”
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An Approach to the Fatigue in Young Soccer Players Resulting from Sided Games by Daniel Castillo, Javier Yanci, Silvia Sánchez-Díaz, Javier Raya-González

“…The results showed no significant differences (<i>p</i> &gt; 0.05) in the sRPE registered by the soccer players for the different SGs, but worse sprint performances over the 10 m (<i>p</i> &lt; 0.05; <i>ES</i>: 0.74&#8722;1.38, large) and 30 m (<i>p</i> &lt; 0.05; <i>ES</i>: 0.70&#8722;2.10, moderate to large) distances after completion of the SGs, except the 10 m sprint after SG2 and SG3 (<i>p</i> &gt; 0.05; <i>ES</i>: 0.43&#8722;0.55, moderate). …”
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Association Of Anthropometric Profile To Speed And Agility Performance In Male Soccer Players by Wondiye Aychiluhim, Molla Deyou

“…Abstract  The purpose of this study was to investigate the relationship between anthropometric, sprint and agility performance in soccer players. Descriptive cross-sectional study was employed on purposely selected 25 male soccer players (13) from Sidama Coffee (12) from Hawassa Town soccer clubs in southern part of Ethiopian premier league male soccer players. …”
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Efficacy of Beetroot Juice Consumption on the Lipid Profile of Female Soccer Players by maryam lotfi, mohammad azizi, worya tahmasebi, parviz bashiri

“…Therefore, the objective of this study was to  assess the effect of beetroot juice intake on lipid profile in female soccer players.             Methods: Young and well-trained female soccer players (N=20) were  included in a randomized placebo-controlled crossover study. …”
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THE EFFECT OF 36 HOURS SLEEP DEPRIVATION ON DRIBBLING SKILLS OF SOCCER PLAYERS by Mehrdad Hefzollesan, Sohrab Ghalehgir, Mostafa Ekrami

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Psycho-hormonal effects of aerobic fatigue on collegiate female soccer players by Adele Broodryk, Cindy Pienaar, David Edwards, Martinique Sparks

“…Significance: • The YYIR-1 test is effective in producing significant changes in both the hormonal and psychological states of female soccer players. • Conditioning staff can effectively implement a mood state questionnaire to predict possible psychological stress (increase in state or trait anxiety) prior to and after a stressor…”
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Analysis of the maximum shot velocity in terms of accuracy intention in soccer players by D. Juárez, F. Navarro

“…In this study, we analyzed the relation between maximum shot velocity with and without accuracy intention in soccer players (N= 108; 70 soccer players and 38 indoor soccer players), and how this accuracy can affect to maximum shot velocity. …”
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Technical and tactical soccer players' performance in conceptual small-sided games by Cristian Javier Ramirez Lizana, Riller Silva Reverdito, René Brenzikofer, Denise Vaz Macedo, Milton Shoiti Misuta, Alcides José Scaglia

“…AbstractConceptual small-sided games (CSSGs) may be interesting as a methodology for training soccer players given its connection to the unpredictability that is inherent to soccer. …”
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