نتایج جستجو برای: young football players

تعداد نتایج: 294384  

2008
Antonio J. Fernández Carlos Cotta Rafael Campaña Ceballos

This paper defends the use of evolutionary algorithms to generate (and evolve) strategies that manage the behavior of a team in simulated football videogames. The chosen framework to develop the experiments is Robocup, an internatonal project that promotes the use of Artificial Intelligence in socially significant areas. One of these areas is related to computer games in the form of a simulated...

Journal: :Prilozi 2014
Jasmina Pluncevic-Gligoroska Ldija Todorovska Beti Dejanova Vesela Maleska Sanja Mancevska Slobodan Nikolic

OBJECTIVES The focus of this study is on anthropometric characteristics of footballers in the Republic of Macedonia, and the aim is to provide normative data for selected anthropometric parameters for adult male footballers in our country. MATERIAL AND METHOD The study included eight hundred (800) adult male footballers, aged 24.06 ± 4.8y (age range 18-35y), who have undertaken routine sport ...

Journal: :International journal of sports physiology and performance 2012
Martin Buchheit Ben M Simpson Esa Peltola Alberto Mendez-Villanueva

The aim of the present study was to locate the fastest 10-m split time (Splitbest) over a 40-m sprint in relation to age and maximal sprint speed in highly trained young soccer players. Analyses were performed on 967 independent player sprints collected in 223 highly trained young football players (Under 12 to Under 18). The maximal sprint speed was defined as the average running speed during S...

Journal: :Journal of sports sciences 2015
Claudia Zuber Marc Zibung Achim Conzelmann

Psychological characteristics are crucial to identifying talents, which is why these are being incorporated in today's multidimensional talent models. In addition to multidimensionality, talent studies are increasingly drawing on holistic theories of development, leading to the use of person-oriented approaches. The present study adopts such an approach by looking at the influence that motivati...

Journal: :مدیریت ورزشی 0
امین دهقان قهفرخی دانشجوی کارشناسی ارشد دانشگاه تهران عبدالرحمن خضری دانشجوی کارشناسی ارشد دانشگاه تهران ابراهیم علی دوست قهفرخی دانشجوی دکتری دانشگاه تهران رسول حمایت طلب استادیار دانشگاه تهران

the purpose of this study was to investigate the motives of fans who attended azadi stadium to watch iran and uae football match held in june 2009. based on a review of the current literature, nine motives were identified and a scale was developed to measure these motives. validity of the questionnaire was verified by experts and reliability was estimated as 0.81 by cronbach's alpha. the n...

Journal: :Sports medicine - open 2016
C Steingröver N Wattie J Baker J Schorer

BACKGROUND Relative age effects (RAEs) typically favour older members within a cohort; however, research suggests that younger players may experience some long-term advantages, such as longer career length. The purposes of this study were to replicate previous findings on RAEs among National Hockey League (NHL) ice hockey players, National Basketball Association (NBA) basketball players and Nat...

2009
Anthony Yates John Norwig Joseph C. Maroon Jeffrey Bost James P. Bradley Mark Duca Daniel A. Wecht Ryan Grove Ariko Iso Ingrid Cobb Nathan Ross Meghan Borden

BACKGROUND Recent research showed 82% of 233 retired National Football League players under age 50 had abnormal narrowing and blockages in arteries compared to the general population of the same age. It has been suggested that early screening and intervention in this at-risk population be a priority. HYPOTHESIS Omega-3 essential fatty acid has been shown to improve cardiovascular lipid risk f...

Journal: :Journal of athletic training 2010
Gary B Wilkerson J Todd Bullard David W Bartal

CONTEXT Excessive fat mass clearly has adverse effects on metabolic processes that can ultimately lead to the development of chronic disease. Early identification of high-risk status may facilitate referral for definitive diagnostic tests and implementation of interventions to reduce cardiometabolic risk. OBJECTIVE To document the prevalence of metabolic syndrome among collegiate football pla...

Football is one of the most popular and exciting sports fields throughout the world. Today, in addition to the result, the number of goals and points, attraction and quality of the played matches are important for club management staff, coaching staff, the players and especially the fans. Beside number of goals, there are different criteria such as successful passes, attacks, defenses, tackles ...

Journal: :The Journal of pediatrics 2013
Anthony P Kontos R J Elbin Vanessa C Fazio-Sumrock Scott Burkhart Hasani Swindell Joseph Maroon Michael W Collins

OBJECTIVE To determine the risk of concussion among youth football players (ages 8-12 years). STUDY DESIGN Participants included 468 male youth football players in western Pennsylvania during the 2011 youth football season. Incidence rates (IRs) and incidence density ratios (IDRs) of concussion were calculated for games and practices and for age groups. RESULTS There was a total of 11,338 (...

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