Level of anxiety and results of psychomotor tests in young soccer players of different performance levels by Dominika M. Wilczyńska, Frank Abrahamsen, Agnieszka Popławska, Piotr Aschenbrenner, Marcin Dornowski

“…The higher the anxiety was, the shorter was the response time of child soccer players. Future research should determine whether athletes’ performance levels do affect performance under stress and replicate the study with different samples such as girls and different sport disciplines.…”
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The Effects of Loaded Plyometrics and Short Sprints in U19 Male Soccer Players in Tunisia by Ghaith Aloui, Hermassi Souhail, Lawrence D. Hayes, El Ghali Bouhafs, Mohamed Souhaiel Chelly, René Schwesig

“…Therefore, bi-weekly LPaSS training improves athletic performance in young soccer players, particularly RSA.…”
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Knee flexion and extension strength in young Brazilian soccer players: the effect of age and position by Carlos Vinicius Herdy, Pauliana Galvao, Gabriel Costa e Silva, Sarah Ramos, Roberto Simao, Andre Pedrinelli, Sandro Mansur, Daniel Goncalves, Vassilis Paschalis

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Effects of soccer training during preseason on physical and physiological variables in youth soccer players by Jefferson Fernando Coelho Rodrigues Júnior, Carlos Alberto Alves Dias-Filho, Mário Sevílio de Oliveira Júnior, Carlan da Silva Sena, Andressa Coelho Ferreira, Thiago Teixeira Mendes, Herikson Araújo Costa, Nivaldo de Jesus Silva Soares Junior, Raphael Furtado Marques, Cristiano T. Mostarda, Carlos J. Dias

“…Abstract Aim: This study aimed to explore the effects of a training program during the pre-season on aerobic and anaerobic performance, hemodynamics, autonomic variables, and sleep quality in youth soccer players. Methods: Nineteen athletes, with an average age of 17 ± 1 years, participated in the study. …”
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Bilateral Strength Asymmetry in Elite Youth Soccer Players: Differences between Age Categories by Maros Kalata, Mikulas Hank, David Bujnovsky, Jakub Michalek, Matej Varjan, Egon Kunzmann, Frantisek Zahalka, Tomas Maly

“…This study aimed to determine the level of isokinetic strength bilateral asymmetry (BA) among knee extensors (KEs) and knee flexors (KFs) of elite youth soccer players. The sample (<i>n</i> = 87) consisted of three age categories of under 13 (U13), under 15 (U15), and under 17 (U17) years old. …”
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KINEMATIC DEMANDS OF TWO SMALL-SIDED GAMES OF COSTA RICAN COLLEGE SOCCER PLAYERS by Daniel Rojas-Valverde, María Morera-Castro, Jaqueline Montoya-Rodríguez, Randall Gutiérrez-Vargas

“…The purpose of this paper was to compare two small-sided games kinematics of Costa Rican college soccer players. Two SSG (2x10min, 3min rest in between), C1 (600m2) and C2 (1200m2), were played by 14 college soccer players of Costa Rica. …”
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Effects of 22 weeks of training on functional markers and match performance of young soccer players by Rodrigo Leal de Queiroz Thomaz de Aquino, Luiz Guilherme Cruz Gonçalves, Lucas de Paula Oliveira, Hugo Tourinho Filho, Enrico Fuini Puggina

“…Abstract The aim of this study was to verify the effects of 22 weeks of training on functional markers and match performance through the use of earned points in competition. Twenty male soccer players were submitted to the same group of tests in four moments of the periodization: before the preparatory stage (T0); after the preparatory stage (T1); after the competitive stage I (T2); after the competitive stage II (T3). …”
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Variations in Elite Female Soccer Players' Sleep, and Associations With Perceived Fatigue and Soccer Games by Frode Moen, Frode Moen, Maja Olsen, Gunvor Halmøy, Maria Hrozanova

“…The current study investigated the associations between female perceived fatigue of elite soccer players and their sleep, and the associations between the sleep of players and soccer games. …”
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The Effects of Soccer Specific Exercise on Countermovement Jump Performance in Elite Youth Soccer Players by Max Lyons Donegan, Steven Eustace, Rhys Morris, Ryan Penny, Jason Tallis

“…The aims of the study were to examine the test–retest reliability of force-time (F-T) characteristics and F-T curve waveform of bilateral and unilateral countermovement jumps (CMJ) in elite youth soccer players and to evaluate the effects of competitive match-play on CMJ performance. 16 male youth soccer players completed CMJs on two separate occasions to determine reliability, and immediately pre, post and 48 h following a competitive match. …”
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Do asymmetry scores influence speed and power performance in elite female soccer players? by Irineu Loturco, Lucas A. Pereira, Ronaldo Kobal, Cesar C. C. Abad, Marcelo Rosseti, Felipe P. Carpes, Chris Bishop

“…Sixteen professional female soccer players (age: 23.0 ± 3.8 years; body mass: 60.2 ± 7.3 kg; height: 165.1 ± 5.5 cm) from the same professional club participated in this study. …”
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Effect of the role, playing position and the body characteristics on physical performance in female soccer players by Omar Sánchez-Abselam, Francisco Tomás González-Fernández, Antonio Figueiredo, Alfonso Castillo-Rodríguez, Wanesa Onetti-Onetti

“…The aims of this study were to know the physical demands according to the playing position and team role, and to assess the effect of the body characteristics on the physical performance of semi-professional female soccer players. Forty-five female semi-professional soccer players during 9 home-matches of the 2021–2022 season were analyzed and GPS devices (GPEXE ®) were used. …”
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Vitamin C and E Supplementation Effects in Professional Soccer Players Under Regular Training by Stancanneli Mirtes, Neto Joaquim, Lazarim Fernanda L, Silva Fernando C, Hohl Rodrigo, Zoppi Claudio C, Macedo Denise V

“…The purpose of this study was to determine the effects of these supplemental antioxidant vitamins on markers of oxidative stress, muscle damage and performance of elite soccer players. Ten male young soccer players were divided into two groups. …”
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Effects of Field Position on Fluid Balance and Electrolyte Losses in Collegiate Women’s Soccer Players by Haoyan Wang, Kate S. Early, Bailey M. Theall, Adam C. Lowe, Nathan P. Lemoine, Jack Marucci, Shelly Mullenix, Neil M. Johannsen

“…Research investigating hydration strategies specialized for women’s soccer players is limited, despite the growth in the sport. …”
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Association between internal training load and muscle injuries in Brazilian professional soccer players by Pedro Mohr, Thiago Matias, Ricardo de Lucas

“…This study aimed to evaluate the association between the internal training load and injury risk in Brazilian professional soccer players. The data were collected from 32 soccer players across two full seasons (2017 and 2018). …”
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Soccer players efficacy belief, CSAI-2C, SCAT perception and success comparison by Barış Ozer, Serdar Kocaeksı

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Influence of warm-up duration on perceived exertion and subsequent physical performance of soccer players by Javier Yanci, Julen Iturri, Daniel Castillo, Marcos Pardeiro, Fabio Y. Nakamura

“…The aim of this study was to analyse the effects of three warm-up protocols with different durations in semi-professional soccer players. Fifteen semi-professional soccer players performed three warmup protocols (Wup 25min : 25 min, Wup 15min : 15 min and Wup 8min : 8 min duration) on three different days. …”
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Avulsion Fracture of the Reflected Head of the Rectus Femoris Muscle in an Amateur Adult Soccer Player by Murat Kayıpmaz, İbrahim Sungur, Ali Akın Uğraş

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Ratio of maximum hamstring torque to maximum quadriceps torque in professional basketball and soccer players by A. Kukrić, M. Joksimović, B. Petrović, F. Latino, R. Pavlović, R. Kuvalja

“…The first subsample included 19 professional basketball players while the second subsample included 20 professional soccer players. Results: Based on the results of the torques of the extensors in the knee joint of the DOM and ND legs, it was established that there is no statistically significant difference between basketball players and football players. …”
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Effects of 8 Weeks of Resistance Training with Traband on Dynamic Balance in Young Soccer Players by mahmoud khodabakhshi, Sayyed Aliakbar Hashemi Javaheri, ahmad Ebrahimi Atri, majid Ebadi Fara

“…The goal of this study was to study the effect of resistive exercises on young soccer players dynamic balance. Methods: Forty young soccer players voluntarily participated in this study and were randomly divided randomly into two groups of experimental and control. …”
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Effects of environmental temperature on physiological responses during submaximal and maximal exercises in soccer players by MiHyun No, Hyo-Bum Kwak

“…Methods: Nine male soccer players participated in this study. In this study, three environmental temperatures were set at 10 ± 1°C, 22 ± 1°C, and 35 ± 1°C with the same humidity (60 ± 10%). …”
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