Special topics

Special topics

Fri

26

Feb

2021

How does the mid-season coach change affect physical performance on top soccer players?

 

The aim was to analyze the locomtion and metabolic responses of professional players in the top three competitive standards of Spanish soccer during the four weeks before and after dismissal of the coach.

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Wed

24

Feb

2021

Worst case scenario match analysis and contextual variables in professional soccer players: a longitudinal study

This study aimed to describe the worst-case scenarios (WCS) of professional soccer players by playing position in different durations and analyse WCS considering different contextual variables (match half, -location and outcome)

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Tue

23

Feb

2021

Biological Maturity Status in Elite Youth Soccer Players: A Comparison of Pragmatic Diagnostics With Magnetic Resonance Imaging

This study aimed to evaluate commonly used methods to assess BMS within a highly selected sample of youth soccer players.

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Mon

22

Feb

2021

Endurance Capacities in Professional Soccer Players: Are Performance Profiles Position Specific?

The aim of this study was to investigate position-specific endurance performance of soccer players.

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Wed

17

Feb

2021

Biomechanical measures during two sport-specific tasks differentiate between footballers with and without future ACL injury

 

The aim was to determine whether prospectively measured components of valgus collapse during a deceleration cut can differentiate between female footballers who go on to non-contact ACL injury

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Mon

15

Feb

2021

Moving Advertisements Systematically Affect Gaze Behavior and Performance in the Soccer Penalty Kick

The aim of the current study was to investigate whether a moving advertisement positioned behind the goal area would influence the visual attention of participants performing a soccer penalty kick, and, whether this would an effect on subsequent motor performance.

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Sat

13

Feb

2021

Worst case scenario match analysis and contextual variables in professional soccer players: a longitudinal study

 

This study aimed to describe the worst-case scenarios of professional soccer players by playing position in different durations and analyse WCS considering different contextual variables (match half and location)

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Wed

10

Feb

2021

Accelerometry-based variables in professional soccer players: comparisons between periods of the season and playing positions

The aim of this study was to provide reference data of variation in external training loads for weekly periods within annual season.

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Tue

09

Feb

2021

Most running demand passages of match play in youth soccer congestion period

The objective of this study was to determine whether there is a decrease in the physical performance of the players in the most demanding passages (MDP) during periods of competition congestion.

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Sun

07

Feb

2021

Running technique is more effective than soccer-specific training for improving the sprint and agility performances with ball possession

The study aimed at comparing the effects of two training approaches on prepubescent soccer players' sprint performance.

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Fri

05

Feb

2021

Effect of Practicing Soccer Juggling With Different Sized Balls Upon Performance, Retention and Transfer to Ball Reception

The aim was to investigate if making the skill aquisition phase more difficult or easier would enhance performance in soccer juggling and if this practice has a positive intertask transfer effect to ball reception performance.

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Tue

02

Feb

2021

Large Reductions in Match Play Physical Performance Across a Football Season Positional Performances

The aims of this investigation were to report team average and positional changes to match play physical performance across an European Championsleague season while statistically controlling for situational and contextual variables.

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Mon

01

Feb

2021

The Effect of Preparatory Posture on Goalkeeper’s Diving Save performance in Football

This study aimed to analyse the effect of different starting stance widths and knee flexion angles on movement time, center of mass trajectory and velocity in goalkeepers' diving saves.

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Wed

27

Jan

2021

A New Approach for Training-load Quantification in Elite-level Soccer: Contextual Factors

 

The aims were to analyse the physical response of professional soccer players during training considering the contextual factors of match location, season period and quality of opposition.

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Tue

26

Jan

2021

Long corner kicks in the English Premier League: Deliveries into the goal area and critical area

 

The purpose was to investigate long corner kicks within the English Premier League that entered the goal area (6-yard box) or the critical are (6-12 yards from the goal-line in the width of the goal area) with the defining outcome occurring after the first contact.

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Fri

22

Jan

2021

Variability of professional soccer players’ perceived match load after successive matches

This study analyses the differential perceived match load accumulated by professional soccer players depending on participation in several consecutive matches.

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Thu

21

Jan

2021

Position Specific Running Performances in Professional Football: Influence of Different Tactical Formations

This study aims to quantify and analyze the differences in position-specific performances in games played with three or four defensive players.

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Tue

19

Jan

2021

Dribbling speed along curved paths predicts attacking performance in match-realistic one vs. one soccer games

The study assessed whether a new, closed-skill dribbling or sprinting task could predict attacking performance.

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Mon

18

Jan

2021

Effectiveness of Indirect Free Kicks in Elite Soccer

The aims of the study were to determine the effectiveness of indirect free kicks, identify variables associated with a successful outcome.

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Thu

14

Jan

2021

Differentiating African Teams from European Teams: Identifying the Key Performance Indicators in the FIFA World Cup 2018

The aim of this study was to examine the performance indicators that differentiated between African and European teams in the 2018 FIFA World Cup

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Wed

13

Jan

2021

An Extensive Comparative Analysis of Successful and Unsuccessful Football Teams in LaLiga

The aim of this study was to analyze in-game match statistics on the top-3 and bottom-3 teams ranked in LaLiga.

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Sat

09

Jan

2021

Strategic rule breaking: Time wasting to win soccer games

The aim was to examine strategic time-wasting, a behavior that help teams win games or tie games against superior opponents.

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Thu

07

Jan

2021

The Association Between Training Load Indices and Injuries in Elite Soccer Players

The aim was to investigate the association between  injuries and training load indices in elite footballers.

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Thu

31

Dec

2020

Does slow motion impact on the perception of foul play in football?

 

The aim was to investigate the impact of video speed on the decision making process of association football referees and how this interacts with expertise.

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Wed

23

Dec

2020

Heart rate, technical performance, and session-RPE in elite youth soccer small-sided games played with goalkeepers

The aim was to compare heart rate, rating of perceived exertion and technical-tactical actions during SSGs played with and without goalkeepers.

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Tue

22

Dec

2020

School-based soccer practice is an effective strategy to improve cardiovascular and metabolic risk factors in overweight children

The study investigated the effects of a 6-month school-based soccer program on cardiovascular and metabolic risk factors in overweight children.

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Fri

18

Dec

2020

Latest research in football - week 40 - 2020

As previous literature updates, I have performed a PubCrawler search looking for football articles in NCBI Medline (PubMed) and GenBank databases.

Following studies were retrieved for this week:

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Fri

18

Dec

2020

Relationships between Training Loads and Selected Blood Parameters in Professional Soccer Players during a 12-Day Sports Camp

The main purpose was to assess the relations between training loads and selected blood parameters in professional players during a preseason sports camp.

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Thu

17

Dec

2020

Heart rate, technical performance, and session-RPE in elite youth soccer small-sided games played with wildcard players

The aim was to compare physiological parameters and technica-tactical actions during SSGs with and without wildcard players.

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Tue

15

Dec

2020

Relationship between Procedural Tactical Knowledge and Specific Motor Skills in Young Soccer Players

 

The purpose of this study was to investigate the association between offensive tactical knowledge and the soccer-specific motor skills performance.

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Mon

14

Dec

2020

Predicting the defensive performance of individual players in one vs. one soccer games

 

Predicting the defensive performance of individual players in one vs. one soccer games.

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Thu

10

Dec

2020

The Effects of Sleep Deprivation on Soccer Skills

The aim was to investigate the effects of sleep deprivation on soccer skills.

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Wed

09

Dec

2020

Longitudinal motor performance development in early adolescence and its relationship to adult success

The aim was to investigate the relationship between motor development in adolescence and future adult performance. 

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Fri

04

Dec

2020

Psychological talent predictors in youth soccer: A systematic review

 

The aim was to systematically review the predictive value of psychological talent predictors.

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Thu

03

Dec

2020

Differences in Technical Performance of Players From ‘The Big Five’ European Football Leagues in the UEFA Champions League

The study aimed to identify the differences in technical performance between players from clubs in UEFA Champions League matches.

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Tue

01

Dec

2020

Fundamental Motor Skills Mediate the Relationship Between Physical Fitness and Soccer-Specific Motor Skills in Young Soccer Players

The aim of this study was to determine the role of FMS in the process of acquiring soccer-specific motor skills.

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Mon

30

Nov

2020

Laterality-Specific Training Improves Mental Rotation Performance in Young Soccer Players

The study investigates the influence of specific soccer training with the non-dominant leg on mental rotation performance of young soccer players.

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Fri

27

Nov

2020

Dribbling speed predicts goal-scoring success

The aim of the study was to explore the underlying bases of goal-scoring ability of young soccer players.

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Thu

26

Nov

2020

The Relationship Between Cognitive Functions and Sport-Specific Motor Skills in Elite Youth Soccer Players

The aim of the present study was to examine the relationship between basics cognitive functions and sports-specific motor skills in elite youth soccer players

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Wed

25

Nov

2020

Website update

I have updated the special topic - Performance analysis - CLICK HERE to get to the page or follow the navigation

Tue

24

Nov

2020

Allometric modelling of peak oxygen uptake in male soccer players of 8–18 years of age

The aim was to examine the contribution of maturity status and body size descriptors to age-associated inter-individual variability in VO2peak and to present static allometric models to normalize in male youth soccer players.

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Mon

23

Nov

2020

Optimal recovery time for post activation potentiation in professional soccer players

The aim of this study was to determine the optimal recovery time to elicit PAP after a bout of high-intensity resistance exercise in professional soccer players.

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Sat

21

Nov

2020

Countermovement Jump Recovery in Professional Soccer Players Using an Inertial Sensor

The aim was to assess the utility of an inertial sensor for assessing recovery in professional soccer players.

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Fri

20

Nov

2020

Effects of horizontal plyometric training volume on soccer players’ performance

The aim was to examine the dose reponse effect of plyometric training on soccer performance variables.

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Wed

18

Nov

2020

Running Performance and Game performance Indicators in Professional Soccer Play

The study aimed to identify associations between running performance and game performance indicators in professional footballers compared to their playing position.

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Wed

11

Nov

2020

In-season internal and external training load quantification of an elite European soccer team with regards to match-day

The aim was to provide in-season training load for different days within a mesocycle in elite soccer players.

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Tue

10

Nov

2020

Effects of velocity loss during resistance training on performance in professional soccer players

The aim was to analyze the effects of 2 resistance programs using the same relative load but different repetition volume.

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Thu

22

Oct

2020

Elite Players’ Perceptions of Football Playing Surfaces: A Qualitative Study

A comprehensive assessment of players' opinions to better understand the influence of playing surfaces (artificial and natural turf) on the game of football.
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Wed

21

Oct

2020

In-season internal and external training load quantification of an elite European soccer team

The aim of the study was to provide seasonal internal and external training load includig the Hooper Index in elite soccer players during an in-season period.

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Fri

16

Oct

2020

External training loads and smartphone-derived heart rate variability indicate readiness to train in elite soccer

 

Player readiness can affect the ability to perform and tolerate prescribed training load. Consequently, practitioners need objective evidence to inform readiness to train.

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Thu

15

Oct

2020

Monitoring Fatigue During the In-Season Competitive Phase in Elite Soccer Players

 

The purpose was to quantify the relationship between daily training load and a range of potential measures of fatigue.

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Tue

13

Oct

2020

Effects of mental fatigue on passing decision making performance in professional soccer athletes

The aim of this study was to analyse the effect of mental fatigue on passing decision-making in professional soccer athletes.

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Mon

12

Oct

2020

Effects of Warm‑Up, Post‑Warm‑Up, and Re‑Warm‑Up Strategies on Explosive Efforts in Football

The results of a systematic review.

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Sat

10

Oct

2020

A match-day analysis of the movement profiles of substitutes from a professional soccer club before and after pitch-entry

The study profiled the match-day physical activities performed by substitutes focusing on the pre- and post-pitch-entry periods.

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Thu

08

Oct

2020

Hamstring injury prevention in soccer: Before or after training?

The effects of a Nordic hamstring exercise before vs. after football training was examined.

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Tue

06

Oct

2020

Characterization of the Weekly External Load Profile of Professional Soccer Teams

 

The purpose was to analyze the day-to-day variance of a typical weekly external training workload of two professional soccer teams from Portugal and Netherlands

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Wed

30

Sep

2020

Acceleration and sprint profiles of professional male football players in relation to playing position

The study aimed to describe positional differences in the acceleration and sprint profiles of professional footballers.

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Mon

28

Sep

2020

Spikes in acute:chronic workload ratio (ACWR) associated with a 5–7 times greater injury rate

A comprehensive 3-year study from English Premier League Footballers

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Fri

25

Sep

2020

How Numerical Unbalance Constraints Physical and Tactical Individual Demands of Ball Possession Small-Sided Soccer Games

 

Is there an effect of unbalanced players numbers in SSG on workload and technical/tactical actions in football?

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Mon

21

Sep

2020

Changes in lactate kinetics underpin soccer performance adaptations to cycling-based sprint interval training

The aim was to determine the effectiveness of sprint interval training on performance and lactate kinetics in soccer players.

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Sat

19

Sep

2020

Analysis of Factors Determining Invasion into Attacking Areas and the Creation of Goal-Scoring Opportunities

Variables assessed passing strategies, field position and possession.

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Sun

26

Jul

2020

In-season Eccentric-Overload Training in Elite Footballers

Effects on body composition, strength and sprint performance.

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Fri

24

Jul

2020

Preventive Effect of the Nordic Hamstring Exercise on Hamstring Injuries in Amateur Soccer Players

The study investigated the preventive effect of the nordic hamstring exercise on the incidence in male amateur footballers.

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Fri

17

Jul

2020

Association of Physical and Technical Activities With Partial Match Status in a Soccer Professional Team

The purpose was to investigate the association between physical and technical activities and match status.

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Thu

16

Jul

2020

Imagery Effects on the Performance of Skilled and Novice Football Players

The purpose was to investigate the effect of an imagery training programme on the performance of a soccer task by skilled and novice players.

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Mon

13

Jul

2020

Movement economy in football

Some considerations and limitations

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Sat

11

Jul

2020

High-speed running and sprinting as an injury risk factor in football

The study investigated the association between high-speed running and sprinting and injuries in football.

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Thu

09

Jul

2020

Mental fatigue impairs technical performance

Passing and shooting in the LSST and LSPT.

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Tue

07

Jul

2020

Running-based high-intensity interval training vs. small-sided game training programs

Effects on the physical performance, psychophysiological responses and technical skills in young soccer players.

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Thu

18

Jun

2020

Are “classical” tests of repeated-sprint ability in football externally valid

A new approach to determine in-game sprinting patterns

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Wed

17

Jun

2020

Mesocycle load of European footballers

Also with regards to positional differences.

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Fri

12

Jun

2020

Effect of opposition quality and match location on positional demands of a 4-2-3-1 in football

Are there positional differences playing a 4-2-3-1 with strong vs. weak oppositions?

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Wed

10

Jun

2020

Postional differences in RSA in footballers

And their relation with other performance tests.

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Mon

08

Jun

2020

Positional demands in various SSG according to demanding passages of play

Small-sided games (5 vs 5) to larg(er)-sided games (10 vs 10) vs. official match.

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Tue

02

Jun

2020

Influence of intense training cycle and psychometric status on technical and physiological aspects performed during the small-sided games in footballers

What is the effect of an intense training cycle and well-being on performance in SSGs?

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Sat

30

May

2020

Order of concurrent training...

...does not really matter.

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Tue

26

May

2020

Game style in football

What is it and are there quantifiable variables

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Fri

22

May

2020

Eccentric hamstring work during preseason

Was there any effect on injury occurrence and performance?

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Tue

19

May

2020

Attacking and Defensive Styles of Play in Football

Analysis of Spanish and English teams.

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Fri

15

May

2020

The influence of creativity on goal scoring

How important is a creative pass to score a goal?

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Wed

13

May

2020

Motivation counteracts fatigue-induced performance degrement

More precisely, money as motivation counteracts fatigue.

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Mon

11

May

2020

Straight sprinting - The most frequent action whilst scoring in professional football

The influence of speed and power abilities in goal scoring situations in professional football.

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Sat

09

May

2020

Passing patterns before and after scoring in Premier League football

Are there differences in successful passes before and after a goal in football?

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Tue

05

May

2020

Small-sided games: Goalkeepers vs. Possession

Metabolic and mechanical demands in small-sided games with goalkeepers vs. possession play.

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Mon

04

May

2020

Concurrent (Strength and High-intensity running) Training in football

Concurrent training during pre-season. One example what was done.

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Wed

29

Apr

2020

Technical and physical demands of small vs. large sided games in football

1 touch vs. 2 touch vs. free-play in SSGs
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Tue

28

Apr

2020

The technical and physiological effect of goalkeepers in small-sided games in football

Goalkeepers in SSGs - their effect on technical and physiological parameters.

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Sat

25

Apr

2020

Bout duration on intensity and technical parameters in SSG

Are there any differences in intensity and technical parameters in SSGs with different durations?

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Thu

23

Apr

2020

Rules change in small-sided games in football

The effect of using an end-zone vs. a small goal on physiological parameters (such as heart rate).

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Wed

22

Apr

2020

Manipulating task constraints in small-sided games

What are the effects of task constraints (for example number of touches) on different game indicators in football?

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Fri

17

Apr

2020

Small-sides games are more enjoyable compared to running...

...but does it have the same cardiovascular effect for players?

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Fri

17

Apr

2020

Positional differences in the most demanding passages of play in football competition

Are there any differences for midfielders vs. strikers with regards to meters covered per minute in demanding passages of games?

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Sun

05

Apr

2020

Repeated high-intensity running in professional soccer

Are there any positional differences? Are there any consequences for training - more specifically for conditioning...

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Mon

02

Oct

2017

German Society of Sport Science - Section Football

The German Sport Science Association – Section Football had its annual meeting at Ruhr University Bochum from 28.-30.9.2017.

I attended the conference and the important slides from the one and only english presentation from the one and only Aaron Coutts about “Developing athlete monitoring systems for football: theoretical foundations” are shown below.

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Tue

12

Sep

2017

The Functional Movement Screen in Football

The Functional Movement Screen (FMS) was created to evaluate movement pattern quality for athletes as it thought that poor neuromuscular control increases the risk of acute injuries (8).

Based on this idea, the FMS would therefore serve as the basis for more complex movements (21) and consequently would be useful to identify functional movement deficits such as muscular imbalances/asymmetries (30), flexibility deficits (mobility) and balance or stability (5).

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Wed

05

Jul

2017

World Conference on Science and Soccer - Presentations Day 3 Part II

The following slides were presented on Day 3.

 

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Fri

16

Jun

2017

World Conference on Science and Soccer - Presentations Day 3 Part I

Day 3 of the World Conference on Science and Soccer started with some Talent Identification. Below are some slides from the first session.

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Mon

12

Jun

2017

World Conference on Science and Soccer - Presentations Day 2

The following slides will display some of the content of the second day of the World Conference on Science and Soccer that I have visited.

 

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Wed

07

Jun

2017

World Conference on Science and Soccer - Presentations Day 1

As mentioned in previous post, I have attended the World Conference on Science and Soccer.

Beside presenting myself I visited a couple of session/presentations, of which I took some pictures.

 

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Fri

02

Jun

2017

World Conference on Science and Soccer - Posters

Since Wednesday I have been at the World Conference on Science and Soccer at Rennes (France).

As part of every conference, delegates can submit their research as a poster that are hang up in a separate room for visitors.

Below are (nearly) all poster of the conference.

 

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