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Network analysis of the worldwide footballer transfer market [PDF]
EPL 125 (1), 18005 (2019), 2018 The transfer of football players is an important part in football games. Most studies on the transfer of football players focus on the transfer system and transfer fees but not on the transfer behavior itself. Based on the 470,792 transfer records from 1990 to 2016 among 23,605 football clubs in 206 countries and regions, we construct a directed ...
Li, Ming-Xia +2 more
arxiv +3 more sources
Physical Activity Levels of Adult Virtual Football Players
Frontiers in Psychology, 2021 Esports, including virtual football, are a worldwide phenomenon. Yet, little is known about the physical activity levels of individuals engaged in virtual football game play.
Evert Verhagen, Pedro Figueiredo
exaly +3 more sources
Football and politics: the politics of football [PDF]
Managing Sport and Leisure, 2020 How often have we heard the old adage that sport and politics should not mix? Indeed, the New Year was only days old when the International Committee of the 2020 Tokyo Olympic Games warned that ath...
Martin J. Power +4 more
openaire +2 more sources
Sensors, 2023 The Nordic hamstring exercise (NHE) is a very popular exercise used to improve eccentric strength and prevent injuries. The aim of this investigation was to assess the reliability of a portable dynamometer that measures maximal strength (MS) and rate of ...
Júlio A. Costa +4 more
doaj +1 more source
Are Soccer and Futsal Affected by the Relative Age Effect? The Portuguese Football Association Case
Frontiers in Psychology, 2021 A better understanding of the relative age effect (RAE) in youth will increase the awareness of the need for reducing the bias of (de)selection.
Pedro Figueiredo +6 more
doaj +1 more source
Effects of dietary supplements on athletic performance in elite soccer players: a systematic review
Journal of the International Society of Sports Nutrition, 2023 Dietary supplements are widely used among athletes, and soccer players are no exception. Nevertheless, evidence supporting the use of dietary supplements aiming to enhance performance in soccer is somewhat contradictory, scarce, or even nonexistent. Thus,
Rodrigo Abreu +4 more
doaj +1 more source
Social Science Quarterly, 2016 ObjectivesThis article relies on data from two samples of 47 and 49 European countries from 1950 through 2011 and 1,980 and 1,960 football domestic leagues, respectively, to explore to what extent political regimes affect the competitive balance in domestic football (soccer) leagues.MethodsWe run OLS cross‐sectional regressions comparing democracies ...
Ignacio Lago +2 more
openaire +3 more sources
An Improved Passing Network for Evaluating Football Team Performance
Applied Sciences, 2023 With the continuous development of sensor technology, the realization of football techniques and tactics comes with richer technical support. Among them, network analysis has been widely used to analyze passing behavior, and some results have been ...
Wenxuan Zhou +3 more
doaj +1 more source
Hidden Markov Model-Based Video Recognition for Sports
Advances in Mathematical Physics, 2021 In this paper, we conduct an in-depth study and analysis of sports video recognition by improved hidden Markov model. The feature module is a complex gesture recognition module based on hidden Markov model gesture features, which applies the hidden ...
Zhiyuan Wang +3 more
doaj +1 more source
BMJ Open Sport & Exercise Medicine, 2023 Objectives The current study analysed the implementation costs of a community-based walking football exercise programme for patients with type 2 diabetes.Methods The direct costs of a community-based walking football programme for middle-aged and older ...
João Brito +5 more
doaj +1 more source