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https://www.readbyqxmd.com/read/27864571/the-relationship-between-coach-and-player-training-load-perceptions-in-professional-soccer
#1
Paulo Eduardo Redkva, Sergio Gregorio da Silva, Mauro Ricetti Paes, Julio Wilson Dos-Santos
The training load imposed and perceived by coaches and soccer players, respectively, was compared for three weeks of the basic preparatory period of a professional soccer team through session ratings of perceived exertion (S-RPE). Participants were 24 professional Brazilian soccer players (all males, age: 24.1 ± 3.4 years) and their coaches. Athletes responded to the scale of perceived exertion (scores from 0 to10) after the training, while the coaches completed the scale prior to the training session, based on prior planning...
November 17, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27806007/effects-of-pitch-area-restrictions-on-tactical-behavior-physical-and-physiological-performances-in-soccer-large-sided-games
#2
Bruno Gonçalves, Pedro Esteves, Hugo Folgado, Angel Ric, Carlota Torrents, Jaime Sampaio
The aim of this study was to identify how pitch area-restrictions affects the tactical behavior, physical and physiological performances of players during soccer large-sided games. A 10 vs. 9 large-sided game was performed under three experimental conditions: (i) restricted-spacing, the pitch was divided into specific areas where players were assigned and they should not leave it; (ii) contiguous-spacing, the pitch was divided into specific areas where the players were only allowed to move to a neighboring one; (iii) free-spacing, the players had no restrictions in space occupation...
October 27, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27763581/match-analysis-of-an-elite-beach-soccer-team
#3
Rosario Scarfone, Antonio Ammendolia
BACKGROUND: The aim of this study was to investigate the physiological demands and technical-tactical performances of field players in Italian elite beach soccer team. METHODS: Three official matches of the Italian First Division beach soccer tournament were analyzed to evaluate the heart rate (HR) and time-motion analysis considering: standing, walking, jogging, running and sprinting, and technical-tactical aspects. Repeated-measures ANOVAs were used to determine the effects of time on the physiological measures and time motion analysis...
October 20, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27761120/soft-assembled-multilevel-dynamics-of-tactical-behaviors-in-soccer
#4
Angel Ric, Carlota Torrents, Bruno Gonçalves, Jaime Sampaio, Robert Hristovski
This study aimed to identify the tactical patterns and the timescales of variables during a soccer match, allowing understanding the multilevel organization of tactical behaviors, and to determine the similarity of patterns performed by different groups of teammates during the first and second halves. Positional data from 20 professional male soccer players from the same team were collected using high frequency global positioning systems (5 Hz). Twenty-nine categories of tactical behaviors were determined from eight positioning-derived variables creating multivariate binary (Boolean) time-series matrices...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27636403/game-specific-characteristics-of-sport-related-concussions
#5
Ingo Helmich
BACKGROUND: Concussions are common incidences in sports. However, game-specific characteristics such as tactics, field positions, etc. might positively/negatively contribute to the occurrence of mild traumatic brain injuries (mTBI) in various sports such as soccer, volleyball, handball, or basketball. Thus, the intention of this study was to analyze game- specific characteristics of concussive incidents in active players from the perspective of different sportive disciplines. METHODS: Four sport-specific questionnaires for soccer, handball, volleyball and basketball were established using an online survey tool...
September 14, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27610328/big-data-and-tactical-analysis-in-elite-soccer-future-challenges-and-opportunities-for-sports-science
#6
REVIEW
Robert Rein, Daniel Memmert
Until recently tactical analysis in elite soccer were based on observational data using variables which discard most contextual information. Analyses of team tactics require however detailed data from various sources including technical skill, individual physiological performance, and team formations among others to represent the complex processes underlying team tactical behavior. Accordingly, little is known about how these different factors influence team tactical behavior in elite soccer. In parts, this has also been due to the lack of available data...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27574867/changes-of-the-psychophysical-state-and-feeling-of-wellness-of-professional-soccer-players-during-pre-season-and-in-season-periods
#7
Mohamed Saifeddin Fessi, Sabeur Nouira, Alexandre Dellal, Adam Owen, Mohamed Elloumi, Wassim Moalla
Perceived changes due to training monotony, strain, sleep, stress, fatigue, muscle soreness and the influence of specific training sessions on the affective valence were explored in professional soccer players. Seventeen players completed the Hooper questionnaire, the ratings of perceived exertion and feeling scale (FS) every training/match day before and during the soccer season. Higher players' training loads were recorded during pre-season when compared with in-season period (2558.1 ± 262.4 vs. 1642.8 ± 169...
August 30, 2016: Research in Sports Medicine
https://www.readbyqxmd.com/read/27537056/high-intensity-efforts-in-elite-soccer-matches-and-associated-movement-patterns-technical-skills-and-tactical-actions-information-for-position-specific-training-drills
#8
Jack Ade, John Fitzpatrick, Paul S Bradley
This study aimed to translate movement patterns, technical skills and tactical actions associated with high-intensity efforts into metrics that could potentially be used to construct position-specific conditioning drills. A total of 20 individual English Premier League players' high-intensity running profiles were observed multiple times (n = 100) using a computerised tracking system. Data were analysed using a novel high-intensity movement programme across five positions (centre back [CB], full-back [FB], central midfielder [CM], wide midfielder [WM] and centre forward [CF])...
August 18, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27533018/physical-and-technical-performances-are-not-associated-with-tactical-prominence-in-u14-soccer-matches
#9
Filipe Manuel Clemente, António José Figueiredo, Fernando Manuel Lourenço Martins, Rui Sousa Mendes, Del P Wong
The aim of this study was to analyse the association between physical/technical variables and the tactical prominence variables in U14 soccer matches. Twenty-two young amateur soccer players (13.5 [Formula: see text] 0.5 years old, 5.4 [Formula: see text] 0.5 years of practice, 163.3 [Formula: see text] 9.8 cm in body height) from two teams of the Portuguese regional league volunteered for the study. Our results showed positive and moderate correlation between dribbling test and betweenness centrality (r = 0...
August 17, 2016: Research in Sports Medicine
https://www.readbyqxmd.com/read/27441912/aerobic-endurance-performance-do-not-determine-the-professional-career-of-elite-youth-soccer-players
#10
Daniel Castillo, Asier Los Arcos, Raùl Martinez-Santos
BACKGROUND: Physical characteristics have been widely analysed in order to understand why some soccer players are more successful than others. Therefore, the aims of this study were: a) to describe the evolution of aerobic endurance performance across 18 years in a Spanish elite soccer academy, b) to know if the playing position could affect physical testing performance, and c) to look into the alleged impact of this factor on the professional career of soccer players. METHODS: We considered 162 players belonging to the reserve team of an elite Spanish soccer club from 1994 to 2012...
July 21, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27384693/practitioners-perceptions-of-the-soccer-extra-time-period-implications-for-future-research
#11
Liam D Harper, Melissa Fothergill, Daniel J West, Emma Stevenson, Mark Russell
Qualitative research investigating soccer practitioners' perceptions can allow researchers to create practical research investigations. The extra-time period of soccer is understudied compared to other areas of soccer research. Using an open-ended online survey containing eleven main and nine sub questions, we gathered the perceptions of extra-time from 46 soccer practitioners, all working for different professional soccer clubs. Questions related to current practices, views on extra-time regulations, and ideas for future research...
2016: PloS One
https://www.readbyqxmd.com/read/27303357/goal-scoring-in-soccer-a-polar-coordinate-analysis-of-motor-skills-used-by-lionel-messi
#12
Marta Castañer, Daniel Barreira, Oleguer Camerino, M Teresa Anguera, Albert Canton, Raúl Hileno
Soccer research has traditionally focused on technical and tactical aspects of team play, but few studies have analyzed motor skills in individual actions, such as goal scoring. The objective of this study was to investigate how Lionel Messi, one of the world's top soccer players, uses his motor skills and laterality in individual attacking actions resulting in a goal. We analyzed 103 goals scored by Messi between over a decade in three competitions: La Liga (n = 74), Copa del Rey (n = 8), and the UEFA Champions League (n = 21)...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27295719/quantifying-explosive-actions-in-international-women-s-soccer
#13
César M Meylan, Joshua Trewin, Kelly McKean
The aims of the current study were to examine the external validity of inertial based parameters (inertial movement analysis; IMA) to detect multi-planar explosive actions during maximal sprinting, change of direction (COD) and to further determine its reliability, set appropriate magnitude bands for match analysis and assess its variability during international women's soccer matches. Twenty U20 female soccer players, wearing GPS units with a built-in accelerometer, completed three trials of a 40-m sprint and a 20-m sprint with a change of direction to the right or left at 10-m...
August 24, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27274671/does-physical-loading-affect-the-speed-and-accuracy-of-tactical-decision-making-in-elite-junior-soccer-players
#14
Pavel Frýbort, Jakub Kokštejn, Martin Musálek, Vladimír Süss
A soccer player's capability to control and manage his behaviour in a game situation is a prerequisite, reflecting not only swift and accurate tactical decision-making, but also prompt implementation of a motor task during intermittent exercise conditions. The purpose of this study was to analyse the relationship between varying exercise intensity and the visual-motor response time and the accuracy of motor response in an offensive game situation in soccer. The participants (n = 42) were male, semi-professional, soccer players (M age 18...
June 2016: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/27251334/current-approaches-to-tactical-performance-analyses-in-soccer-using-position-data
#15
Daniel Memmert, Koen A P M Lemmink, Jaime Sampaio
Tactical match performance depends on the quality of actions of individual players or teams in space and time during match-play in order to be successful. Technological innovations have led to new possibilities to capture accurate spatio-temporal information of all players and unravel the dynamics and complexity of soccer matches. The main aim of this article is to give an overview of the current state of development of the analysis of position data in soccer. Based on the same single set of position data of a high-level 11 versus 11 match (Bayern Munich against FC Barcelona) three different promising approaches from the perspective of dynamic systems and neural networks will be presented: Tactical performance analysis revealed inter-player coordination, inter-team and inter-line coordination before critical events, as well as team-team interaction and compactness coefficients...
June 1, 2016: Sports Medicine
https://www.readbyqxmd.com/read/27167714/peak-torque-and-muscle-balance-in-the-knees-of-young-u-15-and-u-17-soccer-athletes-playing-various-tactical-positions
#16
Cleiton C Bona, Hugo Tourinho Filho, Mikel Izquierdo, Ricardo M Pires Ferraz, Mário Marques
BACKGROUND: Soccer is a sport that is practiced worldwide and has been investigated in its various aspects, particularly muscle strength, which is an essential motor skill for sports performance. The objective of this study was to investigate the peak torque and muscle balance on the knee extensor and flexor of young (U-15 and U-17) soccer players in the tactical positions of goalkeeper, defender, full back, midfielder, defensive midfielder and striker, as well as to determine which field position has the highest peak torque...
May 11, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27164174/the-importance-of-vitaminsfor-soccer-players
#17
Günay Eskici
Soccer is one of the most widely played and complex sports in the world, where success depends on technical, tactical and physical skills of the players. Studies to improve performance in soccer have often focused on technique and tactics. However, nutrition is one of the most important factors influencing athletic performance of the players. The duration of matches is long and the training is intense. This leads to increased requirements for energy and nutrients, as well as increased reactive oxygen radicals and hence increased muscle damage...
May 10, 2016: International Journal for Vitamin and Nutrition Research. Journal International de Vitaminologie et de Nutrition
https://www.readbyqxmd.com/read/27135476/effects-of-an-in-season-plyometric-training-program-on-repeated-change-of-direction-and-sprint-performance-in-the-junior-soccer-player
#18
Mehréz Hammami, Yassine Negra, Ridha Aouadi, Roy J Shephard, Mohamed Souhaiel Chelly
Hammami, M, Negra, Y, Aouadi, R, Shephard, RJ, and Chelly, MS. Effects of an in-season plyometric training program on repeated change of direction and sprint performance in the junior soccer player. J Strength Cond Res 30(12): 3312-3320, 2016-We aimed to determine the gains in explosive movements of male junior soccer players induced by incorporating an 8-week plyometric training program (PTP) into a standard soccer conditioning regimen 5 months after the beginning of the competitive season. Our hypothesis was that PTP would enhance explosive movements, and thus sprint running, repeated shuttle sprint ability (RSSA), agility and the ability to make repeated changes of direction (RCOD)...
December 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27082027/manipulation-of-exercise-to-rest-ratio-within-set-duration-on-physical-and-technical-outcomes-during-small-sided-games-in-elite-youth-soccer-players
#19
Jack Christopher, Marco Beato, Andrew T Hulton
Training practices for elite soccer players should take into account specific technical, tactical and physical components. As a consequence of these demands small-sided games (SSGs) have become a popular conditioning tool that replicate the demands encountered during match play. The aim of this investigation was to examine how the manipulation of exercise to rest ratio, within the same overall duration, affected both physical and technical outcomes during SSGs in elite youth soccer. Twelve elite youth soccer players participated in three variations of eight minute 6v6 SSGs...
August 2016: Human Movement Science
https://www.readbyqxmd.com/read/26890976/periodization-training-focused-on-technical-tactical-ability-in-young-soccer-players-positively-affects-biochemical-markers-and-game-performance
#20
Rodrigo L Q T Aquino, Luiz G Cruz Gonçalves, Luiz H Palucci Vieira, Lucas P Oliveira, Guilherme F Alves, Paulo R Pereira Santiago, Enrico F Puggina
Aquino, RLQT, Cruz Gonçalves, LG, Palucci Vieira, LH, Oliveira, LP, Alves, GF, Pereira Santiago, PR, and Puggina, EF. Periodization training focused on technical-tactical ability in young soccer players positively affects biochemical markers and game performance. J Strength Cond Res 30(10): 2723-2732, 2016-The aim of this study was to investigate the effects of 22 weeks of periodized training, with an emphasis on technical-tactical ability, on indirect markers of muscle damage, and the on-field performance of young soccer players...
October 2016: Journal of Strength and Conditioning Research
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