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Academic literature on the topic 'Soccer players'

Author: Grafiati

Published: 4 June 2021

Last updated: 30 July 2024

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Journal articles on the topic "Soccer players"

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Porta, Mireia, Jaime Sebastiá-Rico, José Miguel Martínez-Sanz, Carlos Contreras, Raquel Vaquero-Cristóbal, and Pablo A. López-Cáceres. "Anthropometric Values in Spanish Elite Soccer: Differences between Divisions and Playing Positions." Applied Sciences 13, no. 20 (October 18, 2023): 11441. http://dx.doi.org/10.3390/app132011441.

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Body composition is an important factor in a soccer player’s performance, and anthropometry is one of the most widely used methods of measurement. The physical demands of Spanish soccer have evolved over time, so the ideal body composition requirements must be adapted to the present day. The aim of this study was to describe the anthropometric and body composition profiles of professional soccer players in the second, second B, and third divisions during the 2019–2020 season in order to compare the anthropometric parameters of players among positions and competitive divisions. A cross-sectional study was conducted to determine differences in kinanthropometric and derived variables in a sample of Spanish soccer players. A total of 615 soccer players from the second (116 players), second B (310 players), and third (189 players) divisions participated in this study. After comparing the groups according to the playing position and category, it was observed that at higher levels of play, soccer players show lower values of fat mass (FM) and higher values of muscle mass (MM) and bone mass (BM); at lower levels of play, soccer players show more anthropometric differences between playing positions. Lastly, the somatotype of the elite soccer player is balanced mesomorphic, with higher levels of mesomorphy at higher levels of play. In summary, this is the first study to evaluate the body composition of the different Spanish soccer divisions.

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Rong, Zhangyi, Lujie Wang, and Shengting Xie. "Factors that Influence Player Market Value in Different Position: Evidence from European Leagues." Advances in Economics, Management and Political Sciences 82, no. 1 (May 21, 2024): 50–63. http://dx.doi.org/10.54254/2754-1169/82/20230718.

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This research study delves into the intricate dynamics that influence player market values in various positions within European soccer leagues. Through the development and advancement of the soccer market industry and player health keeping. This study considered that soccer player's market value could be influenced by different factors or by different numbers of range nowadays compared with previous studies. By analyzing the newest version of player market value, influence factors of elite soccer players in season 2022/23 UEFA leagues. The analysis model analyzed a few key factors that influence the player's market value, such as age, goals, assists, and league. Simple/ Multiple regression models, T-tests, and ANOVA analysis are used in the examination. The research demonstrates that age plays a pivotal role, with players experiencing value growth during specific age ranges. League affiliation and performance metrics, particularly goals and assists, also emerge as significant drivers of market value. The study provides valuable insights for decision-makers within the soccer ecosystem, aiding in player management strategies and market navigation.

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Barnes, Brett C., Leslie Cooper, Donald T. Kirkendall, T. Paul McDermott, Barry D. Jordan, and William E. Garrett. "Concussion History in Elite Male and Female Soccer Players." American Journal of Sports Medicine 26, no. 3 (May 1998): 433–38. http://dx.doi.org/10.1177/03635465980260031601.

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A unique feature of soccer is the purposeful use of the head for controlling, passing, and shooting a soccer ball. Some concern has been expressed in the literature on the cumulative effects of heading on soccer players. Certain neurophysiologic and neuropsychologic changes have been reported in current or retired players, with heading being blamed. A major factor that could influence some of the findings is a player's history of concussive episodes, which are known to influence brain function. These episodes can occur during aspects of the game other than heading. We interviewed all male and female soccer players (N 137, average age 20.5 years) who competed at the U.S. Olympic Sports Festival in 1993. The mechanisms of injuries, frequency, and sequelae were determined. There were 74 concussions in 39 male players (grade I 50) and 28 concussions in 23 female players (grade I 19). For the men, 48 of the 74 episodes were from collisions with another player. For the women, 20 of 28 were from such collisions. Headaches, being “dazed,” and dizziness were the most common symptoms reported. Based on concussion history, the odds are 50% that a man, and 22% that a woman, will sustain a concussion within a 10-year period. The data indicate that concussions from player-to-player contact are a frequent hazard in soccer. Head injuries incurred this way may be more of an influence for published findings of physiologic and psychologic deficiencies than routine heading of the soccer ball.

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Celik, Onur B., and Meltem Ince-Yenilmez. "Salary differences under the salary cap in Major League Soccer." International Journal of Sports Science & Coaching 12, no. 5 (August 23, 2017): 623–34. http://dx.doi.org/10.1177/1747954117727809.

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Professional soccer is the world’s most popular sport; a number of National Leagues are under the control of National Associations. The economic theory behind soccer is the continuing competition to earn much more than other sports do in the sports market. Since the supply of talent is limited, teams’ demand for certain professionals is so strong that it leads to salary differences between players. Therefore, in this study, attention is given to the determinants of the differences in workers’ salaries in the Major League Soccer labor market using Generalized Least Squares (GLS) estimation on panel data from 2007 to 2016. Birth place is the most influential determinant of a player’s salary, along with a player’s position, a player’s age, whether the player has a national team duty, and the number of games in which the player started in the first eleven. Conversely, moving from one Major League Soccer team to another and the number of games played as a substitute have a negative effect on players’ salaries.

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Balkis Ratu NL Esser and Indri Susilawati. "ANALYSIS OF NUTRITION SOCCER ACADEMY (MMA) PLAYERS IN MATARAM." JOURNAL SPORT SCIENCE, HEALTH AND TOURISM OF MANDALIKA (JONTAK) e-ISSN 2722-3116 1, no. 2 (November 27, 2020): 37–45. http://dx.doi.org/10.36312/jontak.v1i2.97.

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The background of this research is nutrition is one of the factors that support a good level of achievement, but many sports players do not realize the importance of nutrition in sports activities. The purpose of this study is to determine the nutritional status of the players of Mataram Soccer Academy (MSA) by first knowing the IMT (Body mass index) The research method used was quantitative descriptive. The sample of this study was 60 Mataram Soccer Academy (MSA) players with purposive sampling technique. Variables in this study are the Body Mass Index of the Mataram Soccer Academy (MSA) players. Instrument weight tests using digital scales, height using microtoa, both of these tools are used to get weight data and height of each player or anthropometric data so that the nutritional status of each player can be known. Data Analysis Techniques are performed by The results of the average study for nutritional status based on the IMT value of Mataram Soccer Academy (MSA) players showed that included in the obesity category amounted to 1 person with a percentage of 1.67%, in the fat category numbered 5 people with a percentage of 8.33%, in the category normal, the thin category is 3 people with a percentage of 5%, and the very thin category is 1 person with a percentage of 1.67%. So the conclusion is that most Mataram Soccer Academy (MSA) players are in the normal category with a percentage of 83.33%. The conclusions of this study are 1) the nutritional status of Mataram Soccer Academy (MSA) players based on normal BMI. The recommendations for this research are to provide an understanding of coaches, coaches, parents and players to always pay attention to sports nutrition and make nutritional status as a reference to position players and pay attention the level of nutrition and energy related to the player's condition.

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Mitchell, Tom O., Adam Gledhill, Ross Shand, Martin A. Littlewood, Lewis Charnock, and Kevin Till. "Players’ Perceptions of the Talent Development Environment Within the English Premier League and Football League." International Sport Coaching Journal 8, no. 3 (September 1, 2021): 362–70. http://dx.doi.org/10.1123/iscj.2020-0085.

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There is an increasing awareness of the importance of the environment in academy players’ development, yet limited research has investigated players’ perceptions of their talent development environments (TDEs). This study focused on academy soccer players’ perceptions of their TDE and compared perceptions across the English soccer academy categorization (CAT) system. A total of 136 U.K.-based male soccer players (Mage = 17.7, SD = 1.03 years) representing all four categories (1 = highest to 4 = lowest) of soccer academies aligned to professional soccer clubs completed the TDE Questionnaire-5 (TDEQ-5). The players within the CAT1 academies had significantly more positive perceptions of their support network (p = .01) and holistic quality preparation (p = .03) than their CAT3 counterparts. Across CAT2–CAT3, holistic quality preparation was the least positively perceived subscale within the TDEQ-5, suggesting the need for additional coach education in this area. Soccer academies should consider how they ensure that all areas of their service are associated with optimal TDEs by offering a well-communicated and holistic development experience for their players to enhance effective personal and player development. The findings may have implications for player experience and associated progression rates of lower categorized soccer academies.

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Paskalis, Phangga Reki, Isti Dwi Puspita Wati, and Rubiyatno Rubiyatno. "Survey of Differences In Endurance Levels of Soccer Players with Various Positions." JUMORA: Jurnal Moderasi Olahraga 2, no. 1 (June 21, 2022): 12–22. http://dx.doi.org/10.53863/mor.v2i1.415.

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This study aims to determine the level of endurance of players in different positions in soccer games. The research method used in this study is a survey method with testing and measurement techniques. The population in this study is the SSB Macan Tutul players in 2021, as many as 22 players, using total sampling by making the population a sample. The results of the study are calculated based on the player's position and criteria in the SSB Macan Tutul group in 2021. The results of the study based on the position of the players showed that the goalkeeper position got an average score of 41, the defender 42.7, the midfielder 44, and the attacker 42.3, and none of them met the VO2max standard. Based on the criteria for the 2021 SSB Macan Tutul group, it shows that in the very good category (4.5%) or as many as 1 person, good (27.3%) or as many as 6 people, moderate (40.9%) or as many as 9 people, bad (27.3%) or as many as 6 people, and very bad (0%) or not at all. The player who has the highest VO2max is the midfield player, with a value of 48.8 ml/kg/min. The player with the lowest VO2max is the goalkeeper, with a value of 40.8 ml/kg/min, compared to an average player’s VO2max of 43 ml/kg/min. Keywords: Endurance Level, Player Position, VO2max

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Azilah Atan, Siti, Mohd Syrinaz Azli, Jorrye Jakiwa, and Shahrulfadly Rustam. "Relationship between Match Running Performance and Physical Capacity in Malaysia Young Soccer Player." Sport Mont 21, no. 1 (February 1, 2023): 55–59. http://dx.doi.org/10.26773/smj.230209.

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Monitoring players during match play has become a fundamental approach to gain understanding on soccer demands. Considering there has been growing interest in performances of young players, it is important to understand on young players training requirement. Therefore, the aim of this study was to examine the relationship between match running performance and physical capacities in U15 young soccer players. Twenty outfield players from sports school and academy (n=20, 1.63±0.8 m, and 56.1±9.5 kg) volunteered to participate in the study. Match running performance was analysed during two matches for each player using 5 Hz global positioning system. The participants performed the Yo-Yo Intermittent Recovery Level 1 (YYIR1), Countermovement Jump (CMJ) and 20 m Sprint to determine the physical capacities. The results showed there were no significant relationship between; total distance covered and YY1R1, sprint distance and leg power, maximum sprint speed during matches (km.h-1) with 20 m sprint (P>0.05). These results suggest that physical capacity test should not be used as a single factor in recognizing a young player’s potential to excel and to predict soccer performance. Young players may not need extraordinary capacity; however, they must possess a reasonably high level within all areas to be a good player.

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Usdurah, Syifa. "PERLINDUNGAN HUKUM BAGI ATLET SEPAKBOLA PROFESIONAL INDONESIA TERHADAP MANAJEMEN KLUB YANG MELAKUKAN WANPRESTASI." JURNAL MEDIA HUKUM DAN PERADILAN 5, no. 2 (October 30, 2019): 249–67. http://dx.doi.org/10.29062/jmhp.v5i2.92.

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Work agreemen between football clubs with a soccer player axisting in reality irregularities in the football world. Salary arrears problem is always the case and subject to clauses regarding whwther or not the soccer player of the Employment Act, to guaratee legal certainty for soccer players is less favorable for soccer players. Giving rise to disputes between the parties with football club soccerplayer who needs the remedies in accordance with applicable laws.

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Kaplánová, Adriana, Peter Šagát, Pablo Prieto Gonzalez, Peter Bartík, and Martin Zvonař. "Somatotype profiles of Slovak and Saudi Arabian male soccer players according to playing positions." Kinesiology 52, no. 1 (2020): 143–50. http://dx.doi.org/10.26582/k.52.1.17.

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Somatotype of the human body is influenced by many factors. In addition to genetic, there are also environmental factors and cultural differences. The aim of this study was to compare the morphological configuration of men’s body of Slovak and Saudi Arabian soccer players and find out the differences between soccer players in different the playing positions . The study sample consisted of 50 Slovak soccer players aged 19-26 years (21.28±1.46), including 18 defenders, 13 forwards, six goalkeepers, and 13 midfielders, and 50 Saudi Arabian soccer players aged 18-25 years (20.12±1.77), including 16 defenders, 20 forwards, four goalkeepers, and 10 midfielders. The used Heath-Carter method categorize people into 13 groups according to the predominant physical component. The results indicated that soccer players differed among themselves according to playing positions. Slovak defenders and forwards were balanced mesomorphs, Slovak goalkeepers were endomorphic mesomorphs and central type was the predominant in Slovak midfielders. Almost all Saudi Arabian soccer players were predominantly mesomorph-endomorphs, with the exception of the defenders who were endomorphic mesomorphs. On average, the predominant somatotype of Slovak soccer players was balanced mesomorph (2-8,4-1,2-4), and of Saudi Arabian soccer players mesomorph-endomorph (3-8,4-3,1-4). It seems that the somatotype of soccer players varies depending on the country as well as the playing position. Therefore, it is necessary to examine anthropometry also with regard to geographical and cultural differences. In addition, regular evaluation of soccer player’s somatotype can help coaches implement exercise elements that would probably increase players’ sports performance.

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Dissertations / Theses on the topic "Soccer players"

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Bianco, Albert Emilio. "The modification of general practice and soccer specific behaviors on an intercollegiate soccer team /." The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487265555440335.

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Vrljic, Kate. "The knowledge of youth performance soccer coaches in identifying talented soccer players /." [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18445.pdf.

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Thorpe, R. T. "Monitoring fatigue status in elite soccer players." Thesis, Liverpool John Moores University, 2016. http://researchonline.ljmu.ac.uk/4517/.

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The physical demands of soccer players competing in the English Premier League have significantly increased in recent years (Barnes et al. 2014; Bush et al. 2015). Elite soccer players are required to compete on a weekly and often bi-weekly basis during a 9-month competitive season. During periods of fixture congestion, players may participate in three matches within a 7-day period. Previous researchers have reported that some components of performance and physiological measures may still be below a pre-match baseline 72 hours following match-play (Mohr et al., 2003; Andersson et al., 2008; Ispirlidis et al., 2008; Fatouros et al., 2010). Nevertheless, data are sparse for the quantification of player fatigue status during competitive periods. Therefore, the primary aim of this thesis is to evaluate potential indicators of fatigue which may be easily measured and utilised in elite soccer. The aim of the first study (Chapter 4) was to quantify the test-retest reliability of a range of potential fatigue variables in elite soccer players. During the pre-season period, resting perceived ratings of wellness (fatigue, muscle soreness, sleep quality and stress), counter-movement jump height (CMJ), sub-maximal heart rate (HRex), post-exercise heart rate recovery (HRRbpm and HRR%), heart rate variability (rMSSD and LnrMSSD) and salivary immunoglobulin-A (S-IgA) were measured during the morning on two consecutive non-training days in thirty-five English Premiership players. Mean values of perceived ratings of wellness (7-13 %CV), CMJ (4 %CV) HRex (3 %CV) and HRR% (10 %CV) were not substantially or statistically significantly different between days. HRV measures’ rMSSD (28 %CV) and Ln rMSSD (10 %CV), perceived ratings of sleep (CV 13%CV) and S-IgA (63 %CV) were statistically significantly different between days. All morning-measured fatigue variables with the exception of S-IgA were reliable enough to allow feasible sample sizes in future pre/post studies. These data indicate that the use of perceived ratings of wellness, CMJ, HRR%, and, to a certain extent, HRV (Ln rMSSD) are reliable enough to monitor the fatigue status of a sample of elite soccer players. The aim of the second study (Chapter 5) was to quantify the relationship between daily training load and a range of potential measures of fatigue in elite soccer players during an in-season competitive phase (17-days). Total high-intensity running (THIR) distance, perceived ratings of wellness (fatigue, muscle soreness, sleep quality), CMJ, HRex, HRR% and heart rate variability (Ln rMSSD) were analysed during an in-season competitive period (17 days). Within-subject fluctuations in fatigue (r=-0.51; large; P<0.001), Ln rMSSD (r=-0.24; small; P=0.04), and CMJ (r=0.23; small; P=0.04) were significantly correlated with fluctuations in THIR distance over the study period. Correlations between variability in perceived muscle soreness and sleep quality and HRR% and THIR distance were negligible and not statistically significant. Perceived ratings of fatigue and heart rate variability were sensitive to daily fluctuations in THIR distance in a sample of elite soccer players. Therefore, these specific markers show particular promise as simple, non-invasive assessments of fatigue status in elite soccer players during a short in-season competitive phase. The aim of the third study (Chapter 6) was to determine whether the sensitivity of a range of potential fatigue measures studied in Chapter 5 would be improved compared with the training load accumulated over the previous two, three or four days during a short in-season competitive period (17-days). Fluctuations in fatigue (r=-0.28-0.51; “small” to “large”; p<0.05) were correlated with fluctuations in THIR distance accumulation (1-4-day). Changes in HRex (r=0.28; small; p= 0.02) was correlated with changes in 4-day THIR distance accumulation. Fluctuations in Ln rMSSD (r=-0.24; small; P=0.04), and CMJ (r=0.23; small; P=0.04) were only sensitive to changes in THIR distance for the previous day (Chapter 5). Correlations between variability in muscle soreness, sleep quality and HRR% and THIR distance were negligible and not statistically significant for all accumulation training loads. Perceived ratings of fatigue were sensitive to daily fluctuations in acute THIR distance accumulation although sensitivity attenuated over time. Therefore, the present findings indicate that the sensitivity of morning-measured fatigue measures to changes in training load is not improved when compared with training loads beyond the previous days training. The fourth and final aim of the thesis was to quantify the mean daily changes in training load and parallel changes in measures of fatigue across typical in-season training weeks in elite soccer players. The training load of 29 elite soccer players was measured using the ratings of perceived exertion approach. Perceived ratings of wellness (fatigue, sleep quality and muscle soreness), sub-maximal heart rate (HRex), post-exercise heart rate recovery (HRR) and variability (HRV) were also recorded across training weeks in the in-season competitive period. Morning-measured perceived ratings of fatigue, sleep quality and muscle soreness tracked the changes in RPE-TL, being 35-40% worse on post-match day vs pre-match day (P<0.001). Perceived fatigue, sleep quality and muscle soreness improved by 17-26% from post-match day to three days post-match with further smaller (7-14%) improvements occurring between four days post-match and pre-match day (P<0.01). There were no substantial or statistically significant changes in HRex, HRR% and HRV over the weekly cycle (P>0.05). Morning-measured perceived ratings of fatigue, sleep quality and muscle soreness are clearly more sensitive than HR-derived indices to the daily fluctuations in session load experienced by elite soccer players within a standard in-season week. The results of this thesis have shown that simple, ratings of perceived wellness are reliable and sensitive to short training and competition phases and thus may be a suitable strategy for practitioners to use in the attempt to establish fatigue status in elite soccer players. In particular, this thesis has demonstrated that the greatest sensitivity was observed on a daily basis and during typical training weeks and not during short term load accumulation. . Future work is required to quantify whether perceived ratings of wellness and vagal-related heart rate responses are sensitive to changes in training and match load across an entire competitive season in elite soccer players.

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Rapoo, Violet Matshake. "Management of recurrent soccer injuries among the Premier Soccer League (PLS) players." Thesis, University of Limpopo (Medunsa Campus), 2009. http://hdl.handle.net/10386/271.

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Thesis (MSc (Physiotherapy))--University of Limpopo (Medunsa Campus), 2009
Aim: The aim of the study was to review the current management of soccer injuries sustained by professional players and how injury recurrence is prevented among Premier Soccer League (PSL) players in RSA. Study design: Cross sectional study, descriptive survey was followed, as it allowed the researcher to observe and describe the factors that had contributed towards recurrent injuries, as well as a qualitative approach with open ended questions where participant’s expressions encountered during the study, were analyzed. Population: The population of the study included all the medical team members in the PSL teams. PSL has 16 teams. The medical team comprised of any combination of the following members: the team doctor, physiotherapist, masseur, biokineticists, physical trainer, chiropractors and podiatrist. Not all teams have the same combination nor all disciplines mentioned. Sample: Purposive sampling method was used, as the researcher selected main participants with a specific purpose. Each of the PSL teams has 7 members from different disciplines therefore, all available members of the medical team of each PSL teams participated in the study. Data Analysis: Data was analyzed using SPPSS version 13.0.Data collected was loaded onto the statistica program for processing. Frequency tables for all variables are given to demonstrate the distribution of variables. Cross tabulation was also done to establish the relationship between the predictor variables and the response. The Test Statistic CHI-Squared (χ 2 ) was calculated and pvalue of less than 0.05 was determined for the significance. Frequency distribution tables, graphs, and charts were used to analyze the data collected. Content analysis was used for qualitative data. Results: Main findings of the study reflected that the ankle was the most commonly affected body part (69.2%) while the quadriceps and tendon achillies were both less commonly affected v (15.4%). The groin was found to incur most recurring injuries (69.2%). The results revealed that injured players are adequately managed by the medical team (61.5%). Attainment of pain free and full range of movement is the consideration for return to sport however less consideration was given to the persistent biomechanical abnormality. Conclusion: The study confirms that soccer injuries amongst Premier Soccer League (PSL) teams are managed by qualified professionals. The attainment of a free, full range of movement and adequate strength are used as criteria for return to sport and as a measure of preventing injury recurrence. Factors such as players missing out on rich rewards, recognition and regaining position in the team seem to have a great influence as well. Recommendation: The primary recommendation for the player who has had multiple recurrences is to address any underlying reversible risk factors such as poor strength and poor flexibility. A session needs to be held with soccer administrators to advocate the avoidance of factors contributing to recurrent injuries.

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Ivarsson, Andreas. "Psychological Predictors of Sport Injuries among Soccer Players." Thesis, Halmstad University, School of Social and Health Sciences (HOS), 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-1662.

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Between 65 – 91 % of elite soccer players have at least one injury / year (Hägglund, 2007). Several researches have established models that specify psychological factors that could predict sport injuries. Two examples are Rogers and Landers (2005) stress – coping model and Williams and Andersen´s (1998) stress – injury model. The main purpose of the study was to single out significant psychological factors that could lead to an increased injury risk among soccer players. The participants were 152 male and female soccer players (m = 17, 6) studying at soccer high schools in southwest Sweden. Five questionnaires were used STAI, SAS, LESCA, ACSI – 28 and SSP. Continuously injury record was collected by athletic trainers at the school, during a period of six months. The result suggested that there are four significant predictors that in all could explain 23 % of the injuries. The main factors are life event stress, somatic trait anxiety, mistrust and negative coping. These findings are in unison with for example Williams and Andersen´s (1998) stress – injury model and should be considered by coaches when it comes to preventing sport injuries among their athletes.

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Turner, Ellena. "Physical and match performance of female soccer players." Thesis, University of Salford, 2016. http://usir.salford.ac.uk/38054/.

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The English Football Association (FA) reported female soccer was the nation’s number one team sport for female sport participation (1.38 m). There is no research on physical- and match- performance of female soccer players in England at the elite level and no investigations in to the new re-structure that the English FA made in 2011 for both senior and youth levels. Therefore, the overarching aim of this research thesis was to develop physical performance and match performance profiles of female soccer players in England across senior and youth players at both elite and non-elite levels of play.

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Yau, Chun-lim Anson. "Heart rate responses and activity profiles during training and matches in youth soccer athletes /." View the Table of Contents & Abstract, 2005. http://sunzi.lib.hku.hk/hkuto/record/B3194131X.

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Anderson, Brett I. "Effects of interval training in female collegiate soccer athletes." Laramie, Wyo. : University of Wyoming, 2009. http://proquest.umi.com/pqdweb?did=1939120971&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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Groß, Thomas. "Eine unendliche Geschichte: Transferregelungen im lizensierten Fußballsport : zugleich ein Plädoyer für einen beitragsfinanzierten Solidarfonds /." Frankfurt am Main [u.a.] : Lang, 2004. http://www.gbv.de/dms/spk/sbb/recht/toc/374658900.pdf.

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Tredway, Aaron Matsuo. "Professional Soccer Ministries the deconstruction of secularization through the globalization of soccer in conjunction with the biblical worldview /." Lynchburg, Va. : Liberty University, 2008. http://digitalcommons.liberty.edu.

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Books on the topic "Soccer players"

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Gifford, Clive. Soccer players and skills. New York: PowerKids Press, 2010.

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Woodcock, Tony. Inside soccer. London: Queen Anne Press, 1985.

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Hollar, Sherman. Soccer and its greatest players. New York, NY: Britannica Educational Pub. in association with Rosen Educational Services, 2012.

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Alex, Leith, and Drewitt Jim, eds. Soccer skills for young players. Buffalo, N.Y: Firefly Books, 2000.

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Doeden, Matt. The world's greatest soccer players. Mankato, Minn: Capstone Press, 2010.

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Doeden, Matt. The world's greatest soccer players. Mankato, Minn: Capstone Press, 2010.

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Barker, Geoff. Soccer star. Mankato, MN: Sea-to-Sea Publications, 2012.

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León, Mauricio Velázquez de. 20 soccer superstars. New York: Rosen Pub. Group, 2010.

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León, Mauricio Velázquez de. 20 soccer superstars. New York: Rosen Pub. Group, 2010.

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Aaron, Carr, ed. Soccer. New York: AV2 by Weigl, 2012.

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Book chapters on the topic "Soccer players"

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Jordet, Geir, and Tynke Toering. "Psychological characteristics of players." In Science and Soccer, 111–23. 4th ed. London: Routledge, 2023. http://dx.doi.org/10.4324/9781003148418-9.

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Cugat, Ramon, Gilbert Steinbacher, Pedro Alvarez, and Montse Garcia-Balletbo. "Patellofemoral Injuries in Soccer Players." In The Patellofemoral Joint, 267–73. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54965-6_35.

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Beggs, Clive. "Who Are the Key Players? Using Passing Networks to Analyse Match Play." In Soccer Analytics, 238–65. Boca Raton: Chapman and Hall/CRC, 2024. http://dx.doi.org/10.1201/9781003328568-8.

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Reeves, Matthew J., and Simon J. Roberts. "Sociological influences on the identification and development of players." In Science and Soccer, 155–67. 4th ed. London: Routledge, 2023. http://dx.doi.org/10.4324/9781003148418-12.

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Smith, Esmie P., Andrew P. Hill, Sarah H. Mallinson-Howard, and Henrik Gustafsson. "Stress, Burnout, and Perfectionism in Soccer Players." In The Psychology of Soccer, 292–316. New York, NY: Routledge, 2020.: Routledge, 2020. http://dx.doi.org/10.4324/9781003005568-24.

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Clemente, Filipe Manuel, João Bernardo Sequeiros, Acácio F. P. P. Correia, Frutuoso G. M. Silva, and Fernando Manuel Lourenço Martins. "Individual Metrics to Characterize the Players." In Computational Metrics for Soccer Analysis, 15–31. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59029-5_3.

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Clemente, Filipe Manuel, João Bernardo Sequeiros, Acácio F. P. P. Correia, Frutuoso G. M. Silva, and Fernando Manuel Lourenço Martins. "Measuring the Dispersion of the Players." In Computational Metrics for Soccer Analysis, 43–53. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59029-5_5.

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Davis, Jesse, Lotte Bransen, Tom Decroos, Pieter Robberechts, and Jan Van Haaren. "Assessing the Performances of Soccer Players." In Proceedings of the 12th International Symposium on Computer Science in Sport (IACSS 2019), 3–10. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-35048-2_1.

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Spaan, Matthijs T. J., and Frans C. A. Groen. "Team Coordination among Robotic Soccer Players." In RoboCup 2002: Robot Soccer World Cup VI, 409–16. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-45135-8_36.

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Karlsson, Jón, Nicklas Olsson, and Katarina Nilsson Helander. "Achilles Tendon Lesions in Soccer Players." In Football Traumatology, 325–32. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-18245-2_31.

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Conference papers on the topic "Soccer players"

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Najafzadeh, Nima, Mehran Fotouhi, and Shohreh Kasaei. "Multiple soccer players tracking." In 2015 International Symposium on Artificial Intelligence and Signal Processing (AISP). IEEE, 2015. http://dx.doi.org/10.1109/aisp.2015.7123503.

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Kang, Chan-hyun, Jung-rae Hwang, and Ki-joune Li. "Trajectory Analysis for Soccer Players." In Sixth IEEE International Conference on Data Mining - Workshops (ICDMW'06). IEEE, 2006. http://dx.doi.org/10.1109/icdmw.2006.160.

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Rafi, Mahir D., Ali M. Sadegh, and Zelda Frankel. "Impact Analysis of Bubble Soccer to Prevent Head Injuries." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-10650.

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Abstract Bubble soccer is a recreational soccer game that has gained huge popularity in recent years. In this modified soccer game, the players are strapped inside the hollow region of a “donut” shaped inflatable membrane, in a fashion similar to how a backpack is worn. Due to the large sizes of bubble membrane, collision among players is a major component of bubble soccer games, which often results in the players falling over and hitting the ground at high impact speed. To ensure that the player’s head doesn’t come in contact with the ground, Bubble ball Business Association (BBA) [3] recommends a minimum clearance of 20.3 cm between the player’s head and the top surface of the bubble membrane. This criteria, however, depends on the structural rigidity of the bubble ball, which is a function of its inflation pressure. This paper presents the results from a series of Finite Element studies, which sought to investigate the dynamic behavior of both bubble ball and soccer players in the aftermath of a vertical impact (with the player’s head and bubble ball both being upside-down), at gauge inflation pressures ranging from 3.45 kPa to 17.25 kPa, with the BBA specified head clearance. Even though vertical impacts of such nature are extremely unlikely in bubble soccer, it was preferred over oblique ground impacts as vertical impacts is capable of causing more sever impacts. Additionally, the results from the vertical studies can also serve as recommendations for side impacts with vertical walls and for head-on collisions among players. In all simulations, a medium sized bubble ball was considered with a player mass of 100 kg (25% more than BBA specification). The results showed that the player’s head, at a minimum inflation pressure of 10.35 kPa, would preserve 88% of the initial 20.3 cm clearance value, in the aftermath of impact. At pressures lower than this minimum value, it was observed that the ball didn’t inflate enough, and thus, wasn’t structurally rigid, to exert sufficient lateral force on the player’s body. As a consequence, the frictional force at the player-ball interface in the direction opposite to the impact was also low, which resulted in the player’s head hitting the ground. Since 10.35 kPa is a relatively high inflation pressure, it can cause significant damage of the internal organs of the player during impact, as well as can cause discomfort during the game. This may trigger the players to reduce the inflation pressure, which as these studies show, has dangerous consequences. Thus, further studies were conducted by increasing the initial clearance of the head to the ball’s top surface from 20.3 cm to 25.4 cm and 30.5 cm, which showed that the ball would prevent the head from hitting the ground at inflation pressures of 6.9 kPa and 1.725 kPa respectively. Thus, if the position of the strap within the ball is adjusted allowing for higher head clearance, lower inflation pressures are sufficient to prevent head injuries, which will improve the overall safety associated with bubble soccer. To improve current studies, more sophisticated human body models must be integrated in the simulations, which will allow the analysis of damages to the internal organs. Additionally, physical experiment must be conducted to validate current computational results.

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Perrotta, Francesco. "Nutrition program effect on soccer players." In Journal of Human Sport and Exercise - 2019 - Summer Conferences of Sports Science. Universidad de Alicante, 2019. http://dx.doi.org/10.14198/jhse.2019.14.proc5.01.

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Palma, Giovanni, Mariana Lima, Clarisse Friedlaender, Celso Furtado, Rodrigo Lasmar, Ana Carolina Rodrigues, and Paulo Caramelli. "SOCCER HEADING AND COGNITIVE PERFORMANCE IN PROFESSIONAL SOCCER PLAYERS: TWO-YEAR LONGITUDINAL DATA." In XIII Meeting of Researchers on Alzheimer's Disease and Related Disorders. Zeppelini Editorial e Comunicação, 2021. http://dx.doi.org/10.5327/1980-5764.rpda098.

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Background: Soccer is the most popular sport worldwide, in which players purposely hit the ball with the head. Although researchers have focused on the effects of concussions in contact sports, the role of sub-concussive impacts (e.g., heading) has gained attention. Objective: To investigate the effects of soccer heading on cognitive functioning in active soccer players. Methods: Male professional soccer players (n=9), and non-athletes (n=25), matched by age and education, were submitted to computerized cognitive tests and to the Neupsilin. All subjects were tested on two occasions – T0 and T2 – separated by two years. Results: Intragroup analyses revealed that while controls improved their performance in 11 variables from T0 to T2, soccer players only improved in one test. However, controls had a worst performance in two variables. In T2, players performed better in the immediate memory test. Among players, no significant correlations were found between number of headings per game and cognition in T0 and T2. Conclusion: There was no evidence of cognitive impairment in soccer players in T0 and T2. They even outperformed controls in some tests. However, the improvement (probable learning effect) observed from T0 to T2 in controls was consistent over the players unvarying performance. Further investigations are needed to clarify relationships between soccer heading and cognition.

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Raikwar, Aditya, Jaclyn Stephens, and Francisco R. Ortega. "Demo:Assessing Sports Related Concussion in Soccer Players Using Immersive VR Soccer." In 2020 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW). IEEE, 2020. http://dx.doi.org/10.1109/vrw50115.2020.00262.

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Teubner, Jens, and Rene Mueller. "How soccer players would do stream joins." In the 2011 international conference. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/1989323.1989389.

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Archevapanich, Tuanjai, Jirayus Sithiyopasakul, Jiran Sithiyopasakul, Paisan Sithiyopasakul, Thanavit Anuwongpinit, and Boonchana Purahong. "Athletes Movement Tracking device for Soccer players." In 2021 18th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON). IEEE, 2021. http://dx.doi.org/10.1109/ecti-con51831.2021.9454802.

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Allan, Christopher, Micael S. Couceiro, and Patricia A. Vargas. "Uncovering emotional memories in robot soccer players." In 2015 24th IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN). IEEE, 2015. http://dx.doi.org/10.1109/roman.2015.7333599.

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Figueroa, P., N. Leite, R. M. L. Barros, I. Cohen, and G. Medioni. "Tracking soccer players using the graph representation." In Proceedings of the 17th International Conference on Pattern Recognition, 2004. ICPR 2004. IEEE, 2004. http://dx.doi.org/10.1109/icpr.2004.1333890.

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Reports on the topic "Soccer players"

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Hurtado, Andres Villaquiran, and Daniel Jerez Mayorga. Effects of strength training on ankle injuries in soccer players: A systematic review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, June 2022. http://dx.doi.org/10.37766/inplasy2022.6.0093.

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Review question / Objective: To determine the quality of evidence of studies evaluating the effects of strength training on the incidence of ankle injuries in soccer (II) to determine the effectiveness of strength training on the incidence of ankle injuries in soccer. Condition being studied: Effectiveness of strength training on the incidence of ankle injuries in soccer. Eligibility criteria: Studies that used ergogenic drugs or aidsConference presentations, theses, books, editorials, review articles, and expert opinions. Missing full text or incomplete data on outcome indicators.

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Machado, Victor, João Marcelo Caríssimo, and Israel Teoldo. The effects of opposition on collective and individual behaviours in soccer: A systematic review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, April 2023. http://dx.doi.org/10.37766/inplasy2023.4.0105.

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Review question / Objective: This systematic review was conducted to verify the effects of opposition on different outcomes (e.g.: tactical, technical, physical and psychological dimensions) in colective (teams) and individual (players) behaviours on trainning sessions in soccer. Eligibility criteria: I)Articles wrote in English, Spanish or Portuguese; II) Articles published in peer-review journals; III) Articles with sample composed of soccer players of both genders (male and female).

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Abreu, Rodrigo, Catarina B. Oliveira, Júlio Costa, João Brito, and Vítor Hugo Teixeira. Effect of dietary supplements on athletic performance in elite soccer players: a systematic review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, June 2022. http://dx.doi.org/10.37766/inplasy2022.6.0088.

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Review question / Objective: The aim of this systematic review is to evaluate the effect of dietary supplements on athletic performance in elite soccer players. Eligibility criteria: This review will be conducted based on the PRISMA guidelines and the PICOS approach. Articles were eligible if they were published or in-press in peer-reviewed journals (i.e., abstracts published in conference proceedings, books, theses, and dissertations will not be considered), published in English language with available abstract for screening. The PICOS approach will be established as follows: Population: highly trained or elite, adult (>18 years old) male or female soccer players; Intervention: use of one or more dietary supplements for performance; Comparison: same conditions with placebo or without dietary supplements; Outcome: athletic or soccer-related performance outcomes; Study design: intervention in parallel groups or with crossover, blind or double-blind, and randomized controlled trials (experimental studies).

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Sousa, Honorato, Filipe Manuel Clemente, Élvio Rúbio Gouveia, Adam Field, and Hugo Sarmento. Effects of changing the head coach on soccer team’s performance: A systematic review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, June 2022. http://dx.doi.org/10.37766/inplasy2022.6.0060.

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Review question / Objective: The aim of this systematic review is to analyze the effects of changing the soccer head coach on the overall team’s performance, locomotor demands of players, technical/tactical responses of players, and psychological responses of players. Eligibility criteria: P: Among professional soccer players what is the effect of head-coach replacement; E: Exposure to the change of the head-coach; C: Last weeks of the fired head-coach compared with the first weeks of the new head-coach; O: locomotor performance, sports results, mental health metrics. Inclusion criteria will be: (1) articles written in English; (2) carried out in professional football teams. Studies will be excluded if: (1) written in another language other than the one selected; (2) in the case of theses, books and non-scientific articles.

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Barrera, Joel, Antonio J. Figueiredo, Filipe Manuel Clemente, José Afonso, Adam Field, Luis Valenzuela, and Hugo Sarmento. Injury prevention protocols in male soccer players: an umbrella review of systematic reviews and meta-analyses. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, September 2021. http://dx.doi.org/10.37766/inplasy2021.9.0066.

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Review question / Objective: This article synthesizes the findings of systematic reviews (SR) and meta-analyzes (SRMA) available on injury prevention programs in male soccer players and their effectiveness. Condition being studied: The objective of this study was to carry out a systematic review of the systematic reviews and meta-analyzes published up to now, on injury prevention programs and their effectiveness in male soccer players, trying to find a broader vision on the strategies most used for this. problem that affects so many clubs and athletes. Additionally, this research will allow a better understanding of the spread of summary effects, heterogeneity, evidence of bias, and the quality of the findings.

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Teixeira, José Eduardo, Pedro Forte, António José Silva, António Miguel Monteiro, and Araújo Miguel Leal. The daily and accumulated training/match load in football (soccer) players: a systematic review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, August 2020. http://dx.doi.org/10.37766/inplasy2020.8.0095.

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Dambroz, Felipe, Filipe Clemente, Tomás Calvo, Mark Williams, and Israel Teoldo. THE EFFECT OF PHYSICAL FATIGUE ON THE PERFORMANCE OF SOCCER PLAYERS: A SYSTEMATIC REVIEW. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, May 2021. http://dx.doi.org/10.37766/inplasy2021.5.0054.

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Gu, Zhi. The effect of mental fatigue on the performance of soccer players: A systematic review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, July 2024. http://dx.doi.org/10.37766/inplasy2024.7.0015.

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Oliveira, Rafael, João Brito, Markel Rico-González, Nalha Matilde, Adrián Moreno-Villanueva, and Filipe Clemente. Reference Values for External and Internal Load Monitoring in Female Soccer Players: A Systematic Review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, July 2021. http://dx.doi.org/10.37766/inplasy2021.7.0010.

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Hosseini Khezri, S.A., Zakharova A. The Investigation of Back Muscle and Abdominal Muscle Endurance in Soccer Players 10-12 Years Old. Povolzhskaya State Academy of Physical Culture of Sports and Tourism, September 2017. http://dx.doi.org/10.14526/03_2017_228.

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