Special topics

Special topics

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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Fri

19

May

2017

Looking for football specific data?

Dear coaches,

I was approached by some of you with regards to testing data of goalkeepers (and field players). As some of you might know, there is not a lot of data on goalkeepers in the current literature.

 

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Mon

08

May

2017

Special edition - Research in football

The following articles were (originally) conference presentations at the "2nd Aspire Sport Science Conference on Monitoring Athlete Training Loads".

It was a fantastic conference and the International Journal of Sports Physiology and Performance released an open-access special-edition. HERE is the link to the publisher website and therefore ALL papers.

However, below are the one with regards to a team sports/football environment.

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Thu

28

Jul

2016

DFB International Coaching Conference 2016

I was able to attend the annual DFB International coaching conference in Germany from the 25th – 27th of July.

The main theme of the conference was “Analysis of the EURO 2016 and current competences of coaches”.

More than ~500 coaches attended the conference. The pictures below was taken during a coffee-break.

 

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Mon

04

Jul

2016

21st annual Congress of the European College of Sport Science - Football abstracts

The 21st annual congress of the European College of Sport Science is about to start on the 6th of July. The congress is going to be at Vienna and will last until the 9th.

 

I was able to collect the abstracts published on the ECSS website with regards to a football context.

 

Please find the abstracts below (and I hope I have not forgotten some).

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Thu

07

Apr

2016

Videos of Presentations of the 2nd Aspire Academy Sports Science Conference - Monitoring Athlete Training Loads

I have already posted some keynotes/slides from various presenters of the training load conference HERE.

 

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Fri

26

Feb

2016

2nd Aspire Academy Sports Science Conference - Monitoring Athlete Training Loads

I was able to attend the 2nd Aspire Academy Sports Science Conference this week. The main topic of the conferences "Monitoring Athlete Training Loads - The Hows and Whys".

 

Sessions included:

  •  Load monitoring - History and future directions.
  • Monitoring training loads in:
    • endurance sports
    • strength/power sports
    • team sports
    • young/developmental athletes
  • Technology for load monitoring
  • Modelling training loads
  • Load monitoring and injury prevention

 

HERE is a link to the conference program.

 

Below you will find some "interesting/take-home/conclusion/key messages" of presentations.

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Thu

15

Oct

2015

FMS in Football

I have updated the section consisting of the functional movement screen and how it was applied in football.


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Wed

20

May

2015

World Congress on Science and Football 2015

The World Congress on Science and Football 2015 has just started with an impressive presentation of 20 years of F-MARC from FIFA.


The Congress takes place in Copenhagen until Saturday and I am very happy to also a present some of my work later this day.


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Wed

10

Dec

2014

Cryotherapy/cold-water immersion in football

Recovery from games or simply (intense periods of) from training is a major focus for footballers. One part of recover is colloquially called “ice-bath” or “cold-water immersion”.

A more scientific/medical term used is “cryotherapy” which originates from the Greek “cryo” (meaning cold) and “therapy” (meaning cure).

Cryotherapy does not necessarily imply the usage of cold-water only, ice packs as well as cold-air chambers are also categorized under cryotherapy. However, and from a practical perspective in football teams, I will focus on cold-water immersion as this is the most practical (and probably the most utilized) form of cryotheraphy.

 

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Thu

27

Nov

2014

Website update - Performance analysis

What are the performance parameter/indicators that divide between successful and unsuccessful teams?

 

Is there a link between ball possession and winning?

 

Are attacking 3rd entries related to shots on goal and game outcome?


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Sun

23

Nov

2014

1. World Conference on Groin Pain in Athletes

Just in case you missed the groin pain conference at Aspetar a couple of weeks ago, HERE you can find all videos/presentations from the conference.

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Thu

30

Oct

2014

Physical/physiological demands in different age groups in football

Youth players are not miniature adults. However, there seemed to be limited research with regards to actual game/match analysis. As a result the physical/physiological demands of the game and therefore possible resulting training guidelines are very limited for specific age/maturation groups.

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Tue

21

Oct

2014

Nutrition in football

Special topics in football

Thanks to Chris Hausswirth posting nutritional aspects for football players online, I felt some pressure to polish up this section on my website.

 

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Mon

18

Aug

2014

The effect of a congested schedule and match fatigue on performance

Special topics

With the new season on its way, I feel it is warrant to have a closer on how games affect consecutive performance on a) training, but also on b) the next match or training as the players will be fatigued from a match.

Generally, the training week is scheduled around games with the purpose to be fully recovered from games and training for the following match. Most of the teams have a “regular” football calendar, which gives two games within 8 days – for example Sunday and (the following) Sunday, which I will refer to as a regular schedule (RS). However, many teams also play three games within 8 days (and therefore have a congested schedule (CS)), due to National Cup, Champions League and Europa League games. In addition some players will need to perform for their national side – or just play college soccer, it might be same – (I hope the reader might forgive me for the slight sarcasm, however, there are many congested schedules in college soccer). As a consequence the greater demand will elevates the stress opposed on players (14).

 

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Thu

12

Jun

2014

Heat acclimation in football players

This is a special post with regards to the FIFA World Cup 2014 as its different environmental conditions at each stadium (temperature and humidity) were fairly often debated in the press already.

 

Generally, Brazil’s average daily temperature during this time of the year is warmer than many other countries. Research from international matches in Qatar under hot environment significant favored the Qatari team showing the influence/advantage of heat accustomized teams (1 - see references below).

 

In sport science terms, getting accustomized to a hot (and/or humid) environment is called heat acclimation, which was a topic of interest for many years for exercise physiologists, especially for sporting events such as Tour de France or for military purposes.

 

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Mon

09

Jun

2014

Detraining in footballers

Special Topic

With the FIFA World Cup 2014 around the corner, the national players are still in training and competition mode and all players will compete in at least three games (however, everyone is hoping for seven).

However, this post is not about these players, its about the other players that are not present in the World Cup, enjoy their vacation and most likely do not train (at all, or at least have reduced their training).  The question here arise how the players react to a reduced training load or no training load at all? Of course I do not necessarily meant to talk about the injured players.

In the scientific literature, the partial or complete loss of training-induced adaptation, in response to an insufficient training stimulus (17 - see references below) is called detraining (and here it seems obvious that injuries can also be seen as a kind of detraining as well). Detraining is a common phenomenon in sports (also basketball (3)) and the term “use it or loose it” seems to be proven right.

 

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Wed

14

May

2014

The role of maturation in Talent Identification in Football

Special topics

Coaches that are involved in talent identification (TID) or any other selection process in youth football have had experienced the problem of deciding/accounting if and how age and maturation affected their selection.

What does that mean?

There are two major problems that are connected.

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Wed

07

May

2014

Stretching and its effect on the muscle tendon in footballers

Special topic

Stretching is a commonly used tool in pre-match preparation as well as in rehabilitation. There are different stretching techniques, which might benefit one or the other purpose. A good example here would be the utilization of static vs. dynamic stretching in a pre-match warm-up or to increase range of motion in a flexibility session.

While the research mainly focused on the muscle (and even more on its force producing capability), it seems relevant to ask what actually happens during stretching and which part of the muscle-tendon unit (which includes the tendon, the connective tissue or myotendinous junction (MTJ) = the part in which the “muscle turns into the tendon (1)” and the muscles) is stretched? Anecdotally it was believed that stretching would alter tendon length, which would therefore cause instability to a given joint and further increase injury risk?

 

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Wed

26

Mar

2014

What constitutes a proper warm-up for football players?

Special Topic

This is more of a random post, however based on some discussion/comments I have received over social media after posting some warm-up of FC Bayern Munich, Real Madrid, Zenit FC, Schalke, Manchster United, the Spanish National team and elite youth teams of different nationalities.

The statements were about the content of the warm-ups of the teams. Furthermore, I would like to give some thoughts about different issues that might influence the approach to develop/do a warm-up.

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Wed

12

Mar

2014

Homepage update

Special topics
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Tue

04

Mar

2014

Functional hamstring/quadriceps ratio in footballers

Special topics

Injuries and therefore injury prevention is a big topic in football, especially with regards to knee injuries (10, 34 - see references). The (fast and repeated) knee extensions during kicking (also shown in its correlation with isokinetic measurements (26)), seem to have an effect on the muscles influencing the knee joint. However, also the antagonist (flexion the knee - the hamstring muscle perform a lot of work during motions in football such as sprinting (24, 33, 39). The activity of the hamstring muscles during kicking was also correlated with isokinetic strength measurements (26) showing the importance of the knee flexors as well.

 

So how does football and its training influence the knee joint and possible injuries with regards to the quadriceps and hamstring muscles?

 

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Wed

26

Feb

2014

Asymmetries/dysbalances in the preferred vs. the non-preferred kicking leg of football players

Special topic

Having a preferred kicking and jumping leg it would seem obvious to have a stronger and a potential weaker leg.

From a technical and tactical perspective it seems interesting to have dominantly left footed players (like Robben), playing on the right and vice versa (like Ribery). However, are there any consequences with regards to a health (injury/injury prevention) or performance perspective?

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Thu

06

Feb

2014

Proprioception/Balance in football

Special topics

Before I start to elaborate on this topic it seems warrant to give some clarification about proprioception which will then forms the base for understanding balance.

 

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Thu

26

Dec

2013

The Functional Movement Screen in Football

Special topics

As the Functional Movement Screen (FMS) was used in different sports, I have dedicated a "special topics"-page to this topic and its utilization in football.

 

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Sun

08

Dec

2013

The (un)importance of anthropometry in football

Special topics

The following homepage update will display some thoughts underpinned with scientific knowledge about the (un)importance of anthropometry in football.

I have decided to dedicate a little bit of time to elaborate on the topic, after being in different (football) environments seeing different sizes and shapes of footballer, but also (and especially) due to talking to US college coaches with regards to recruitment of new players and the need of being able to play “physically” or “being able to rise up to the challenge”. 

Besides the need to define terminology here, to me playing physically could mean:
Being able to perform to a high (physical) standard for the duration of the match (90 or 120 minutes) or in other words, players are fast, strong, having a high aerobic and anaerobic endurance to cover great distances and are able to recover quickly from intense periods in the match.

However, as it seems my interpretation is not always shared by coaches and/or the coaches link different abilities/attributes with “playing physically” (possibly) meaning being physically “present” – resulting in recruiting players that are 1.90 m tall (around 6’3 feet) and build like American Football players. Obviously I am exaggerating now, however, I hope it helps to make the point.

So my question was always – Are you looking for footballers or for athletes that are tall, strong, fast and know the rules of soccer/football? Obviously the response was, “we want tall, strong, fast footballers!” – which is a good point, however also lead to great discussion of “small” (< 1.80 meters or 5’10 feet) football players.

As it seems there are a good questions to ask:
Is anthropometry an important attribute of football players?

If it is, then for who?

 

Please click HERE to read the homepage update or visit: Special topics - Anthropmetry

 

Sun

15

Sep

2013

Performance analysis

Special topics

We have updated our website with a huge article about performance analysis/performance indicators.

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Fri

09

Mar

2012

Stretching in football...

Special topics

Basics of stretching in football.

Wed

07

Mar

2012

Recovery...

Special topics

What is better active vs. passive recovery?

FS-Free content online - go to recovery

Wed

07

Mar

2012

Injury prevention...

Specual topics

Injury prevention check list for football is now online.

The Training Manager - planet.training