Science topic

Football - Science topic

A competitive team sport played on a rectangular field. This is the American or Canadian version of the game and also includes the form known as rugby. It does not include non-North American football (= SOCCER).
Questions related to Football
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How can information about the biological age of elite players be used in strength training during puberty? Can strength training be individualized with respect to the peak high velocity? Can resistance training be used for accelerated players who are behind their growth spurt? Biologiacal age received from DEXA measurement is the best solution or indirect equations (Mirwald or Khamis Roche) are sufficiently accurate?
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Yes, it is essential and must be evaluated even at a match or training session. It will help in adjusting the appropriate kind of strength and resistance training that not only support their performance but also has an impact on their body age.
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Hi dear colleagues, I actually conducting a study about Qatar World Cup and i target many country (USA, Belgique , France, Tunisia, Morocco KSA and UK).
Do you have any solution to get more response from scientific community around the world?
If you are from one of these country and you are interested by the football or you want to help me to share please comment by the name of your country and i will share with you the link of survey.
Thank you
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Hi Leila, Hope you are doing well
I can respond to your survey and share its link if you want ( concerned contries: Tunisia and France).
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Hello everyone, I would like to ask you what protocols you use most often in training regarding small-sided games in soccer. What is your experience in this field? I mean the scientific approach and the practical/training approach. How many series, how many repetitions, what break between games and between sets. I will be very grateful for every vote in the discussion. Best greetings Paweł
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I invite you to talk about small games.
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Dear Colleagues,
I have a very generic question, more prone to be a discussion. As you know, the number of papers devoted to modular networks (networks with communities or partitioned networks) is increasing. The majority of research is about detection of communities. My curiosity is the following: There are papers dealing with the problem of ranking nodes across communities. For instance, a generic ranking can be obtained as an aggregate form of rankings locally obtained within each community (using some centrality measures). When you aggregate rankings obtained within different communities, you can use for instance "primus inter pares" style. For instance, you can compare nodes in different communities only if they have earned the same rank in their different communities. This is a simple idea and, for sure, not the unique idea. I have been searching for papers dealing with those types of conceptualisation or applications on modular networks but I haven't found very much on this issue. For instance, Something similar is done when they compare teams in different European football leagues (communities) since they have to form "qualification groups" for the final part of the Champions league (across communities). But they use scores obtained within the specific football league. Thanks very much for your attention.
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Thanks everyone. Anna Cristina Brisola I am trying for it. I have discovered that those types of problems have some significance in information retrieval. In that area, you need to rank pages and results and you need to preserve a certain balance among different clusters. Why? You have to optimise searching results against the lack of knowledge of users' preferences. You must play mixed strategies on different clusters and within the cluster you rank by network centrality. Actually, those problems are somehow met also in the theory of fusion or aggregation of simple one-criterion rankings.
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We are interested on the study of the effect of Small Sided and conditioned games (SSCG´s) on strength and injuries in football.
There are too much studies related to aerobic and anaerobic effects of this game-based teaching and training methodology.
However, there are few references related to this topic and strength of lower limb muscles and prevention of injuries.
Any interesting reference you could suggest?
Thanks a lot.
Floren Huertas
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Thanks for your opinion Paulo. Yes, probably some problems could emerge from a overuse of this SSGs in the tecbical- tactical and physical fitness preparation. We would be interested in perform an study about is effect on disbalance between agonist / antagonist muscle and fatigue due to overuse of this methodology in your football players. Regards
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I am looking for articles on the applications of microeconomics in clubbing and achieve the formula for optimizing profits and production of football clubs.
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Thank you very much ...🌷
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Hi everyone! I would like to write my bachelor's thesis on a topic that's currently relevant in the sphere of analytics, supply chains or technology (or if it's possible a topic concerning all the three fields of interest). I am a business student, and my program covers anything related to the above mentioned fields.
Here are some examples of themes that I am interested in:
  • Sports(tennis, soccer, basketball and football)
  • Health and wellness
  • Real estate
  • Education
  • Sneakers
  • Food ingredients
  • Job market
Ideally, I would love to find a topic that relates to one of these themes. However, I am open to other suggestions as well. As long as it is interesting.
Obviously any kind of suggestions, regarding new topics (broad or specific) or the development of cited ones would be greatly appreciated.
Thank you in advance!
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Concessions or merchandise management at arenas and stadiums.
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This the surface an inner layer of soccer ball carcass, Even though this part is not in contact with sunlight or Ozone, but afterwhile all this part become Dry and crispy, why does the surface of the vulcanized rubber sheet become brittle and powdery after a while?
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Kashif Ameer Special thanks. Would you please recommend to me some books about the problems with rubber?
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Hi,
I am currently working on a study of football and cricket venue (i.e. stadium, sports ground) locations. Can any one suggest prominent (and or) current literature/ theories that explains major sports venues location in terms of urban form (and/or strcuture)? Would be grateful, as it will help providing particular point of discussion for the study I am on.
The closest I could arrive is the discourse of Sports Geography, basically led by John Bale, where such relation has not been well addressed.
Your suggestions will be worthy. Thanks in advance.
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This is a big geopolitical question you asked Sami! This one I was reading recently you might find useful.
Xue, C. Q., Ding, G., Chang, W., & Wan, Y. (2019). Architecture of “Stadium diplomacy”-China-aid sport buildings in Africa. Habitat International, 90, 101985. https://www.sciencedirect.com/science/article/abs/pii/S0197397518312657?via%3Dihub
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Hello,
I am involved in the research of athletes through Tensiomyography (TMG). Now I'm researching about hundred football players hamstrings of both legs. Have you got some suggestions on this topic from your articles which you recommend? Maybe I could cited it in my future work. Maybe you have some sugestions from your own experience? Maybe you see other opportunity to cooperate in this topic. Thank you.
Greetings,
Paweł
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Is important to asses also semitendinosus, only BF is not enought
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There are a number of smart devices, video and comprehensive analytic platforms applied to sports. Soccer is no exception. What devices or platforms are popular and what are research challenges applied to soccer?
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you can check those devices & sensors Carbon fiber based strength Humanox made by telefonica
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Hello everyone,
I am interested in writing about a dissertation about the wages of the football players of the 5 main leagues in Europe. I wanted to know if someone had an up to date data base where we can find all the wages and some informations about the players ?
Thank you very much for your help :)
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Thibaud Trichard Thank you for the response! I'm worried that capology is missing salary data for many players. Was this an issue for you? If not, why? Thanks!
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I am still in the early stages of this, however I am thinking of exploring the potential football has, as a means to aid the integration of Venezuelan refugees in countries like Peru and Columbia. I am reading that similar to Europe, refugees are subject to racism and resentment. While also in Europe, football clubs have started to partner up refugee forums to help. UEFA recently wrote a report of their commitment to helping the cause. I also wonder if CONEBOL could implement the same action. Early indictors suggest their is a gap in the literature, when it comes to refugees and football in South America.
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Dear Dr. Ben David Anthony Bird, As a topic for a potential PhD, I think it's a great idea. Currently there are already footballers in Serie A.
To get an idea, take a look at the following page:
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Hello,
I am looking for a study, that conducted a corpus analysis of non-literal language use in football reports (e.g. metaphors, idioms). Most of all I need the quantitative data. The best would be if the corpus consists of German texts, however this is not necessary.
Any help is appreciated, many thanks in advance!
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Hello everyone! I have just started a Master programme in Business Intelligence and I need your help.
I am currently writing my problem statement proposal for my final thesis and I am a little bit confused. My initial idea was that of analysing KPI (key performance indicators) in football, and trying to understand how reliable they are and how much do they reflect reality. An extra idea was that of developing a prototype index that may include different additional factors etc.
After a first contact with my supervisor, he (and then me) realised that it is possible that my thesis will not bring anything new, mostly because there are plenty of infos on the internet regarding my subject. He proposed to investigate more in depth..
There are two ideas that now are running into my head, and I would like to know your opinion.
1. Develop a KPI based on Braveness/courage/(additional synonyms). This may be an interesting subject, especially when defining the variables we should take into consideration. It is a little bit scary so I was wondering if you have any idea on what your path would look like if you were the ones that had to investigate in the matter.
2. The influence a yellow card can have on a player / team / match.
These are the ideas I had to make my thesis more "unique". What are your thoughts? Additional topics (also related to VAR, especially considering that it is a novelty to be discovered) or further considerations are well appreciated.
Thank you!
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Consider incorporating impacts of COVID-19 on the KPI you intend to study
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Football fans are very happy that they can now watch & support their favourite teams live & direct in the field of play. This is indeed good, but with the current pandemic situation on ground, is it advisable to allow fans into the stadium?
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I think they should have waited fir some more months. It can also become a super spreader event.
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We are finishing the experimental design to start a new research and we are in doubt about the best test to evaluate the kinetics of physical performance after a football match. We are evaluating between 10m, 20m, 30m, Vertical jump, Change of Direction (COD) tests.
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To me, depend on playing position, age-category and performance level. In this sense, this is my stantard battery test to assess performance in highly-experienced soccer players:
- Curve sprint test (Speed) in the arc of area
- 30-15 IFT by Martin Buchheit.
- Running economy (Hrate) (9km/h)
- COD-90º (8+8m) to obtain COD deficit and asymmetries.
- Heading test (elevation index and RSI): Soccer-specific vertical jump with run-up and ball inclusion overhead.
In general terms, this is my conditioning profile.
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Can anyone recommend articles that provide valid reference data in young (U11-U19) and uninjured football (soccer) players for the Y-Balance Test and Lower Extremity Functional Test?
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Sorry! I don't now
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The topic of my thesis is "life stress, resilience and mental health among football players" and my assignment is to use the three-dimensional ontological model by Lundh ( ). Please if someone can help me how i can do it and how to use the three model of ontology which i am really confuse.
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Resilience have we touched upon and your papers may give you some idea:
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Soccer is a game played by two teams of eleven players with a round ball that may not be touched with the hands or arms during play except by the goalkeepers. The object of the game is to score goals by kicking or heading the ball into the opponents' goal. In British English: Football.
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Cood question, interested!
The first three could be Pelé, Marco van Basten, Lionel Messi
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I would like you to help me find out how to find more literature review and how to research
Thank you all
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That's an interesting topic. You may find relevant information in this journal https://www.thejournalfinder.com/journal/managing-sport-and-leisure/535483
Wish you the best of success in your project. Kind regards
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My college research team and I are in search of an instrument to evaluate emotional involvement in soccer fanatics...yet we can not seem to find an instrument to use? Any recommendations? What should I do to find a good questionnaire? How can I acquire an instrument (preferable free)?
Additionally, this instrument has to be standardized.
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First of all, you need to read the classical book by MORRIS, Desmonds. The Soccer Tribe (several editions available). Thereafter, you can access the following papers:
- CRISP, R.J.; HEUSTON, S.; FARR. M.J. & TURNER, R.N. "Seeing Red or Feeling Blue: Differentiated Intergroup Emotions and Ingroup Identification in Soccer Fans", in: Group Processes & Intergroup Relations, Vol. 10 (2010), Iss. 1.
- JONES, Marc V.; COFFEE, Pete; SHEFFIELD, David, YANGUEZ, Marc & BARKER, Jamie B. "Just a game? Changes in English and Spanish soccer fans’ emotions in the 2010 World Cup", in: Psychology of Sport and Exercise, Vol. 13 (2012), Iss. 2.
- TEQUES, Pedro; CALMEIRO, Luis; MARTINS, Henrique; DUARTE, Daniel & HOLT, Nicholas L. "Mediating Effects of Parents’ Coping Strategies on the Relationship Between Parents’ Emotional Intelligence and Sideline Verbal Behaviors in Youth Soccer", in: Journal of Sport and Exercise Psychology, Vol. 40 (2018), Iss. 3.
- SABY, Yohan; PUPIER, Yann, GUILLET-DESCAS, Emma; NICOLAS, Michel & MARTINENT, Guillaume. "Longitudinal emotional process among adolescent soccer player in intensive training centre", in: Journal of Sports Sciences, 9 (2019).
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Let's say you have to come up with a way to make a lineup for a team. So you get the team stats and player stats like passing, Tackles, Shooting, Interceptions (It's soccer). Anyway you made the lineup, but you have to validate it if that lineup is the best lineup of the team. How do you validate the lineup you have made without playing the team in a match.
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Dr.Ramon Araneta,Thanks for important question.
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Hello,
I hope you are all doing well.
I am doing my dissertation on the wages of the professional football players and I want to do a correlation between the wages and the grades the players have. However, I cannot find any database that gather all the grades of the players by season.
If someone have this database, I would be more than happy to receive it.
Thank you very much for your help :)
Have a nice day,
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This is a sensitive issue that is not always brought up for open discussion.
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I got a list of football Midfielders (S1............S22). That is 22 Midfielders. I want to rank them using Fuzzy AHP. SO i got Criteria such as Passing, Shooting, Tackling, Crossing, etc. I have 11 Criteria Overall. (C1...............C11). 22 Players 11 Criteria. I already got the weights of the 11 criteria by asking 5 coaches and it took a long time. I had to make an 11x11 matrix and I was exhausted. Now for the alternatives (Midfielders). I have ALOT OF THEM. Usually per criteria, they do an AXA Matrix where A is the number of Alternatives. That means I have to make 11 22X22 Matrices and That is exhausting. That will even take long. Can I instead ask the coaches to grade each player on a scale of 1-10 per criteria and multiply it to the weight. For Example, Player 1 scores 10 on Criteria 1, 4 in Criteria 2, 9 on criteria 3 and so on. Can I jsut multipley the scores to the weights ofthe criteria, add them up and see which player has a higher overall scores?
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If you have Standard norms and criteria, you can proceed. But if you don't have, need to develop and standardize new batteries
I appreciate!
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A youth football coach referred to me that a player needs to make 3000-6000 decisions during a 90-min football match, while an adult only needs to make 1000-3000 decisions per day at work. I am not sure about these numbers. Could anyone provide any references?
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many decisions
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I would like to find some data about domestic and international sales regarding football clubs, in particular Real Madrid C.F.
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The huge audience demands high levels of corporate governance from football clubs, a reality that is not always met.
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2) How does parental pressure impact teenage performance and metal skill in football.
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As a parent, it’s only natural to want to expose your kids to certain activities and steer them in a particular direction. But there’s a line between pushing your child toward a certain sport and being a “stage parent.”
Everyone knows the parent that is trying to live vicariously through their kid and push them to be a professional athlete. They’re typically the ones screaming at refs, coaches, other players or even worse their own child.
Nothing good ever comes from this and it just puts unfair pressure on the child. It’s embarrassing for them and helps build insecurities, as they always envision their parent screaming at them from the stands. It also puts them in a bad position with their coach.
It’s important to remember that the whole point of youth sports is for kids to have fun, be exposed to new things and learn valuable life lessons. There are simple, fundamental skills that athletes learn at the youth level that are taken for granted as the skill level increases.
So when the games revolve around only the best players or the best players are held back from exploring new sports, it hinders the growth that young athletes need.
And when youth sports are clouded by intense pressure, kids stop wanting to participate all together.
Remember, elite skill isn’t the only thing that makes a pro athlete. Passion for the sport plays a major role too; and the quickest way to burn an athlete out is by putting too much pressure on them.
Kids have enough pressures, particularly when it comes to youth sports. It’s important to let young athletes explore new sports, try different positions and learn fundamental skills. After all, keeping things fresh helps to keep them engaged. Let Young Athletes Explore More Options. SEE THIS ARTICLE.
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Kicking ability represents the most important soccer-specific skill, since it is used not only in passes, crosses, clearances, and also to score goals.
The ability to kick equally with both the preferred and non-preferred leg leads to an advantage for soccer players, since it increases the number of scoring opportunities. In modern football, this ability is becoming even more important as there is less space and time for players to decide what we do with the ball. In fact, there is positive relationship between player’s salary and ability to use two feet in professional soccer.
However, ball velocity is significantly lower after a kick with the non-preferred leg in comparison to the preferred one.
It’s known that two-footedness can be developed, to some extent, by training. But it would be possible to develop two-footed players in soccer club academys? Why don't we teach our soccer players to use both feet equally well?
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It is not only possible but totally necessary: that the soccer player have high bilateral motor skills allows their technical executions to be better. This improvement in sports performance leads to a decrease in the incidence of injuries since by optimizing bilateral movement patterns we are avoiding positions or gestures prone to injury.
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I'm looking for an algorithm to help automatically track soccer ball in a controlled field experiment (cameras positioned near to the ball) and output its time-series 2-dimensional coordinates. While we have found very efficient methods to do this in human movement features (e.g. OpenPose), we are experiencing some difficulties to found similar methods to detect/track other objects (e.g. ball). If you have some positive experiences with a given method, please let me known. Thanks in advance. Luiz H Palucci Vieira.
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Hello! Try to use Kinovea (free soft). Nice program for automatically tracking.
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Hi my colleagues
What is the name of the style for arranging references alphabetically and numbered consecutively in mendeley?
Thanks,
Example:
xxxxxxx [1]. yyyyyyyy [4]. tttttttt [3]
References
1. Augustus, S., Mundy, P. and Smith, N. (2017) ‘Support leg action can contribute to maximal instep soccer kick performance: an intervention study’, Journal of Sports Sciences, 35(1), pp. 89–98. doi: 10.1080/02640414.2016.1156728.
2. Baca, A. and Perl, J. (2018) Modelling and Simulation in Sport and Exercise. Eds. Routledge.
Barbieri, F. A. et al. (2010) ‘Performance comparisons of the kicking of stationary and rolling balls in a futsal context’, Sports Biomechanics, 9(1), pp. 1–15. doi: 10.1080/14763141003690211.
3. Barbieri, F. A. et al. (2015) ‘Dominant–non-dominant asymmetry of kicking a stationary and rolling ball in a futsal context’, Journal of Sports Sciences, 33(13), pp. 1411–1419. doi: 10.1080/02640414.2014.990490.
4. Barfield, W. R., Kirkendall, D. T. and Yu, B. (2002) ‘Kinematic instep kicking differences between elite female and male soccer players’, Journal of sports science & medicine, 1(3), pp. 72–79. Available at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3967432/.
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Uday CH Hasan, I'm sorry if this disappoints you, but there are more than 6,000 citation / referencing systems, with possibly around 2,000 (maybe more) that are of the author-date (i.e., Harvard) type that yours seems to be primarily based on.
Unfortunately, I can't tell you which of those two-thousand or so Harvard systems is the one you are seeking - a system that strikes me as being quite unusual because it combines alphabetic with number sequencing. I wonder, therefore, whether it might be easiest for you to work initially with a "good" author-date system and then add the numbers to the reference list entries at the end.
Whether that works nicely or not might depend on how you indicate citations in the body of your text. If you use an author-date system in the body of your text, the numbers can be inserted into your reference list entries at the end of everything.
If you work accurately, that could be achieved, I suspect, in about 10 minutes (or less) for about 30 reference list entries.
Sometimes doing things manually takes a lot less time and effort than trying to work out how to do things with automation.
Incidentally, I have put an article about referencing under my name onto RG. I'm aware that article is a little outdated by now (e.g., because I refer to the APA 6th, not APA 7th, system of referencing), but it might be helpful.
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Hi all,
I'm currently working on a model regarding future positions of soccer players and I'm currently struggeling with the following problem where I can't find any references for. The only feasable papers I can find are of Grehaigne, but I think they might miss out on some aspects that are important namely, acceleration. If I overlooked something, or you can help me with this matter, please let me know!
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Ahmed Hasan Interesting read indeed, however there is a huge biomechanical difference between male and female (soccer) athletes. At that moment in time I used: Relationship between vertical andhorizontal force-velocity-power profiles
in various sports and levels of practice.
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Hi ,
I am wondering if anybody knows of any papers that refer to incomplete talent development pathways/infrastructure and how this may inhibit an athlete's development? ( specifically looking at football) but any sport will do.
If you could point me in the right direction or recommend a paper it would be greatly appreciated.
Thank you for your time
Brian
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I think this paper might be a good starting-point:
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My research involves player performance in soccer using Fuzzy Analytic Hierarhy Process. I have Tackles, passing, interceptions, shots, etc as my criteria. I have to ask 6 different people and if the variance is really high..... then FAHP can't be used. With high Variance, let's say one person thinks this is important and another think it's not too important. Two criterias have something like an outlier. Out of the 6 i asked........Two have very different judgments. Three criteria have a like an outlier. The two people who judged the three crtieria have judgments WAY DIFFERENT From the other 4. I dont know what to do next. Consistency Ratio is good. It's jsut the subjective part that's off.
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Dear, it is an important topic that deserves to be pursued
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I am looking for international research teams working on social cohesion or football psychology. let me know if you are working and interested to add more colleagues to your projects.
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Hi Hassan,
I'd love to hear more about your activities, especially as they relate to social cohesion. This is a topic we (and I) work on quite a bit.
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1. How can a small city exploits a local football team's qualification into the UEFA Champions League for the first time to create destination awareness and enhance destination image?
2. How can football be used in creating destination brand awareness and enhance destination image?
3. What kind of collaborative strategies can a DMO and a local football team employ in the marketing and promotion of a destination?
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Nice Dear Shian-Loong Bernard Lew
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I want to examine the relationship of various physical qualities (jump height, change of direction, linear sprint, etc.) on agility performance. Because I am interested in the combined effect of these qualities, I am led to believe that multiple regression is the correct approach to take.
I am also interested in evaluating how the relationships of these physical qualities change across age/maturity (my sample is youth soccer players aged 10-17yrs). For example, linear speed may contribute most at younger ages, but become less important as the athletes get older/more mature.
Would this be entering age/maturity as a covariate, or is there another way to examine this question?
Thanks in advance for any advice/guidance here!
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Thank you Prof. D. Booth sir. In that case, there will single group of respondents or two group of respondents in Restrospective study sir?
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I am interested in simulating a soccer match using the SAFT90 protocol. While reading the papers that have used it, I understood that an audio track is required. Can anyone address me to where I can find it? 
Thanks in advance,
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Hi
Please check the following work. It describes the process in details. I believe it will help you.
Regards
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Under COVID-19, many human activities are suspended, public entertainment places are closed down. Football legends are almost fully cut off worldwide.
The targets for gambler to bet are less and less, no matter football, horse racing, boxing, bar ...
How do the psychiatric addictive gambler coping with their addiction under COVID-19?
In psychiatry, psycho therapy or behavioral modification is always used. Is COVID-19 helping these addictive gambler to run out of their obsession?
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In Hong Kong, currently popular legal physical (non-online) gambling would be horse-racing football and mark-six (a kind of lucky draw for numbers). Of course, there are many more different ones online.
However, the responsible organization (Hong Kong Jockey Club) closed down all the branches since COVID-19. There is a short period in between that it was re-opened, and many gamblers grasped the time to go in to refill or retrieval their accounts' money.
Unluckily, under social distancing rule, race course is banned for entry even for horse owners.
As a citizen, I can feel how broken hearts these horse racing gamblers are. And with time of few months, I feel that horse racing is falling out of colour.
Besides, football legends all over the world is closing as well. And bars for alcohol are all closed down by law too.
Of course, there is also Majong. Yet, shops providing these are also closed.
That's why I feel that people may shift their attention to others under COVID-19.
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During the quarantine in my home via Coronavirus. one question makes my mind busy. Why the income of researchers in all parts of the world is much lower than artists, football players,..... Although the researcher has the most impact on the life of mankind?
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Economics plays a part with footballers and artists, but less often with researchers. But the question raises others. How many researchers write books, develop ideas for money and career prospects? Some psychology ideas, etc, seem wafer thin but push single popularising books.
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I am conducting a research about understanding the impact of sports betting on football in Europe’s top 5 Leagues.
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Daniel Wright This is my research question
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For my research I need a dataset of soccer player ratings from the english premier league. Ideally, the ratings should consist of quantitative data and subjective valuations of experts. I would need data reaching back 15 years at least.Thank you for your input :)
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I hope not for the sake of several man Utd players...
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In general, football is a sport deportation that moves to a large market and related businesses, as well as dealing with public limited companies in football teams also with commercial societies that have several economic agents who have financial information with different interests such as partners, shareholders, investors, sponsors, suppliers, debtors, control agents, among others. In the analysis of cases of some national soccer teams, it is often the case that soccer teams are not in a good business. From there, the question arises as to what situations and conditions are profitable?
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Creo que hace referencia fútbol profesional, y tendrían que considerarse varios aspectos para vender el equipo como una marca comercial. Por ejemplo, tener la venta de los boletos asegurados (la mayoría ya vendidos por toda la temporada), esto traería una buena venta de productos en el estadio, como las bebidas o alimentos. Si el equipo logra identificarse con sus aficionados, la venta de camisetas y souvenirs estaría asegurada. Gestionar unas buenas ganancias por la transmisión de los partidos, conseguir un buen número de patrocinadores, y que la directiva logre vender sus jugadores a un buen precio, y adquirir a los nuevos a bajo precio. elaborar convenios de colaboración con instituciones deportivas, con el fin de hacer uso de esas instalaciones a cambio del respaldo de la marca del equipo; patrocinar actividades deportivas incluso aquellas que no sean afines al fútbol (es una inversión). Sacar provecho de los jugadores lideres o carismáticos para diversas actividades ya sean altruistas o comerciales. La suma de estos aspectos reo que lograrían hacer sumamente rentable al equipo de fútbol.
En el caso del fútbol amateur, se tendría que gestionar patrocinios, convenios con instituciones deportivas con el apoyo de los padres de familia.
Espero sea de ayuda mi opinión, saludos
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Hey guys! Looking for some statistical advice to anticipate review response.
I have done an intervention with 3 groups, 2 of which are in the intervention and 1 that is control. The 2 intervention groups are completeing sled training to potentially increase sprint performance, but they only differ with training load (heavy vs very heavy). The control group continues with normal practice (another team within the same pro soccer league that does not use systematic acceleration training).
All groups have been divided evenly so that initial sprint performance (mean + CI) is similar, therefore we are using pre sprint performance as a covariate in the ANCOVA. There is only one factor (one time point), therefore One-way.
One of my study questions is whether training with heavy sleds is better than doing nothing concrete (i.e. non systematic acceleration training). Therefore, my question is, would it be statistically appropriate to pool the heavy and very heavy sled groups to answer this question, also considering sample size is only 9 (sled 1) + 9 (sled 2) + 10 (control).
The second study question is whether heavy or very heavy worked better, where a simple independant t-test will suffice.
Opinions?
Thanks for all the help!
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Hi Johan!!
In my opinion, the Generalized estimating equation (GEE) method (in SPSS) can be chosen in order to better apply the correct principles of analysis of longitudinal data in clinical trials. Considering that this method was designed to analyze paired and longitudinal data (Liang & Zeger, 1986), and that in your study you have two factors (3 groups and 2 moments of data collection), the GEE seems to be the most appropriate test to be performed. In addition, some advantages of this method contributed to the choice, for example?
(i) the GEE could be applied regardless of the distribution of data;
(ii) the assumption of sphericity between all the different moments is very difficult to be achieved in studies with performance outcomes in humans, and the GEE method does not have this requirement;
(iii) GEE can handle missing data in longitudinal studies under the assumption that such data are missing completely at random;
(iv) using GEE, the possible missing data of any participant will automatically be imputed without the interference of the researchers (this procedure contributes to avoiding the selection bias and the choice of traditional imputation methods in which the researcher could influence the data and results) (Ballinger, 2004; Liu & Zhang, 2006).
So, to test your primary hypothesis, GEE methods show a robust statistic method and you don't need to use other analyses.
I see just now your question, but I hope to contribute to this discussion. If you need a question about GEE, I can help you!
Cheers!
Elren
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Hi ,
Im wondering does anyone know of any papers detailing the effects to training intensity of small sided games when the group is of mixed performance levels i.e( professional& semi professional/ amateur) or ( senior & U21/U19 for example).
Any guidance would be greatly appreciated.
Thank you for your time.
Brian
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Yes, absolutely when you deal with elite and non-elite players the intensity rate will be differed. Non-elite players training always intensity is lesser than the elite players training.
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The Hitters database (DB) contains baseball data from the US professional league from the 1986 and 1987 seasons. The salary of a player is based on a number of characteristics of the player and performance in previous years. This DB is used by James et al. (*) to illustrate the topic of classification and regression using trees.
Question: Does anyone know of a similar DB with data for football players of the European or South American leagues? Could any colleague please send me the link? I would like to use it for similar work.
Thank you and regards,
L.A. Sanabria
(*) James, G., Witten, D., Hastie, T., and Tibshirani, R. (2013) An Introduction to Statistical Learning with applications in R. Springer-Verlag, New York
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Hi, you can try this link
Data was provided by @etmckinley
Best Christian
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Suggestions for SROI model (Social Return on Investment) are welcome. Main focus in soccer/football but othet team sports are acceptable:
- methods;
- papers;
- open discussions.
Thanks in advance!
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send me an e-mail to keco@ucn.dk :-)
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I am writing a paper regarding team training in football (soccer) and the need for an individualized approach in regards to the physical profiles of the team's players.
Therefore match-day physical performance is essential - e.g. to see several key metrics, including total distance run, number of sprints, and top speed.
I have been told that this data is owned by the leagues but I still would like to know if it is somehow possible to access the physical data?
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Hello!
That is very difficult, I think you should get in touch with the companies that generate metrics of this type and then sell them to the teams.
Success!
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hello guys
currently i am doing study on effect of fatigue on muscle strength after FIFA 11+ among soccer players. So I take the pre and post data after fatigue simulation then the participants go to intervention FIFA 11+ for 8 weeks then they come back to reassess(pre and post after fatigue simulation). Is it possible to me the analysis the effectiveness of intervention by using the repeated measure ANOVA using of mean different?
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I addapted the R script highly inspired by the video:
You may want to scip large parts of the script; e.g. the OULIERS & ASSUMPTIONS parts.
As I understood, your design was a within-within-subjects design, aka as a (purely within) doubly repeated measures design. I suppose your 'control' were pre-pos-fatigue measures taken Before the 8 weeks FIFA11+ training programme. All your participants/subjects received the 4 measures (2 Before and 2 After the 8 weeks).
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I am confused whether to use a paired sample t-test or unpaired sample t-test. Basically I am measuring the emotional response of 60 people(32 football fans and 28 non-football fans) who watch a viral video and a separate non-viral video.
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I agree with Dragan Marinkovic , you should check if your variables are normally distributed. If it is so, you should use unpaired t-test comparison, in your specific case. The difference is quite simple: unpaired t-test is used to compare means that are detected on independent samples, like in your case. Paired t-test is used when you have measures detected on the same sample (pre-post observations) or in samples that could influence each others (mother-son, wife-husband).
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I am currently researching the inflation of the football (soccer) transfer market in an economical stand-point. however, I am struggling to find information and data through a 10 year time period of inflation though the transfer market. Is there any articles or data collection websites that I could explore?
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You have selected a challenging time consuming topic for your research expedition. The following link may possibly help you out little bit:
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Hello everyone, I plan to do an EEG study and have to collect at least 40 stimuli (object) of AUT. So anyone who can recommend some references, or some one (who can have the AUT), or tell me where I can access the full version of the newly version of AUT? In addition, I have two questions:
1, If I can get help from outside and have obtained at least 40 AUT test, Should I do something on the AUT before I can employ them onto Chinese participants (culture difference?)?
2, If I myself look for objects to create AUT, what should I pay atention to? For example, should the heterogeneity of object be noted? I believe no one would agree if i use baskectball and football to delegate two kinds of objects. In contrast, football and iphone could be considered to use in the same study.
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Kirill Miroshnik Dear Kirill, Many thanks for your suggestions! very useful~
Firstly, I plan to collect AUTs scattered from previous literature, and select the common used objects in Chinese culture (objects specific to other culture will not be used). if 40 have been collected, that is enough, if not, I will search some other additional objects that commonly used in everyday life of Chinese people.
Secondly, to do an ERP study, all the 40 objects have to be used for each participant, I am sure of it.
Thirdly, I also learn the second paper you recommend. I try to access the 420 objects in the paper but receive no email reply. Anyway, this paper is very useful to tell me how to collect objects from everyday life.
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Often, while thinking about the harsh economic situation in countries like Argentina and Brazil, I would say myself, "OMG, what would they have done without soccer!". This study is a good kickoff -- it should be carried out globally by fellow researchers. And, above all, this is a note of hope for the world.
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It is a common belief that people find sports and especially football as a way to pause their thoughts and problems when they are going through an economic crisis. This was the case in Cyprus as from 2013 !. On the other hand though, this might drive them to misbehavior actions and most of the times you could have increase of disorder incidents and extreme hooliganism actions.
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Some reflection on the dilemma of modeless regularities....The football coach who select 10 players on the pitch of play instead of 11 already knows the outcome before meeting the opponents. Evidently, average rating of the game will definitely results in poor responses of the players.
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Correct. That is answer.
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RG has it that your toughest technical question will get answered in 48 hours here. One of my questions at RG has never been answered. Maybe because it's nonsensical. Anyway I am posting it for a second time.
If Michael Jackson were a soccer player, what could he have brought to soccer? Is the question answerable at all?
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Dear Fatimah, I am sad I can't read your language.
(Can someone translate it for me?)
I am happy to know you are a researcher in a sports-related science. We need more and more people in the area.
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The soccer world championships have begun. Hence my question. There may be reasons to answer the question in the affirmative. But the practical experience can be completely different. What is your opinion?
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Dear Hein,
We cannot ever overgeneralize. As a psychologist, I thing that all things being equal, women are fairer in football (soccer) than men. This is so because of several reasons. Chiefly among them are the following.
1. In principle, men are more competitive that women. Because of this, the satge is set for men to be less fair than their female counterpards in the context you refer to.
2. When compared to men, women tend to me more emotional than men. Men are thought to be more instrument. In other words, when playing football, for example, women are concerned with others' well-being than men are. Because of this, tend to cheat less than men do.
3. It is worth mentioning that, for example, both S. Freud and Carol Gilligan spoke of the emotional status on the part of women and the instrumental status on the part of men.
KInd regards,
Orlando
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Any useful links for literature review would be hugely appreciated!
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The self-determined motivation of the athlete is key in the perception of conflict between the academic and sports environment. The greater the latter, the greater the anxiety and the likelihood of sport dropout.
Guzmán, J.F. & Kingston, K. (2012) Prospective study of sport dropout: A motivational analysis as a function of age and gender, European Journal of Sport Science, 12 (5), 431-442, DOI: 10.1080 / 17461391.2011.573002
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Dear reader,
Thanks in advance for reading my question. I'm currently working on a model for analysing sprints of a position based dataset in soccer. However, there is a large error in the acceleration of players. I was wondering if anyone knows a paper addressing the maximum acceleration of soccer player so I can clear my data!
Kind regards,
Rick
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There are two good papers as follow:
1. Differences in Acceleration and High-Intensity Activities Between Small-Sided Games and Peak Periods of Official Matches in Elite Soccer Players
2. Player Load, Acceleration, and Deceleration During Forty-Five Competitive Matches of Elite Soccer
Cheers,
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Biomechanical study has an important role in the analysis of sporting performance in general and in football in particular.
what are the most important skills to study in football by adopting biomechanical analysis?
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Did you think to analyse the joint flexibility by segment or range of motion by position or function on game? Maybe this can better characterize the profile of players.
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Although maturation and biological age are difficult to be captured by a battery of tests without having into account biological markers, we are interested in knowing tests that could be useful for this issue to be used in applied context (football sport cities). We know tests based on prediction of adult stature, but we are interested also in other aspects of maturation.
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Dear Rafael,
Maybe the following papers will help you on the subject:
Cumming S, Searle C, Hemsley J, Haswell F, Edwards H, Ryan D, et al. Biological maturation, relative age and self-regulation in male professional academy soccer players: A test of the underdog hypothesis. Psychology of Sport and Exercise 2018;39:147-153. https://www.researchgate.net/publication/327107415_Biological_maturation_relative_age_and_self-regulation_in_male_professional_academy_soccer_players_A_test_of_the_underdog_hypothesis
Müller L, Gehmaier J, Gonaus C, Raschner C, Müller E. Maturity Status Strongly Influences the Relative Age Effect in International Elite Under-9 Soccer. J Sports Sci Med 2018;17(2):216-22. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5950738/pdf/jssm-17-216.pdf
Coelho e Silva MJ et al. Assessment of biological maturation in adolescent athletes: application of different methods with soccer and hockey players. 2019; https://digitalis-dsp.uc.pt/jspui/bitstream/10316.2/38849/1/ASSESSMENT%20OF%20BIOLOGICAL%20MATURATION%20IN%20ADOLESCENT%20ATHLETES.pdf
Best wishes from Germany,
Martin
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Although maturation and biological age are difficult to be captured by a battery of tests without having into account biological markers, we are interested in knowing tests that could be useful for this issue to be used in applied context (football sport cities). We know tests based on prediction of adult stature, but we are interested also in other aspects of maturation.
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take a look at this paper from Robert Malina et al (https://www.ncbi.nlm.nih.gov/m/pubmed/22304621/) Interrelationships among invasive and non-invasive indicators of biological maturation in adolescent male soccer players. It details a number of invasive vs non-invasive measures (although for purposes of correlation; but does offer some ideas of tests).
A little bit left field is perhaps some of the work looking at 2d:4d digit ratio and it's relationship with sporting performance, among many other things. For example https://scholar.google.co.uk/scholar?q=digit.ratio+and+sport&hl=en&as_sdt=0&as_vis=1&oi=scholart#d=gs_qabs&u=%23p%3D3bGJwOcpfkQJ and a lot of the work done by John Manning et al.
Not sure I totally answers your question, but hopefully some ideas to think about :)
Cain
email me anytime: cain.clark@coventry.ac.uk
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I encourage all of my students to start with Review Articles or Case reports. If they start with reviews the future Writing will become extremely easy for them. Its like playing a football game against a strong opponent when you are a new team. It improves you tremendousl.
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I started as a beginner with the NZ Royal Society and eventually Ecography despite my supervisor discouraging me! So a beginner can do anything :)
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My Thesis topic is sports complex and football stadium. I need help in case study for sports complex.
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Good luck
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Need case reports regarding the effects of physical exercise/functional rehabilitation/aquatic exercises or On-field training on ACL injured soccer goalkeeper.
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Hi Mario, this paper seems good after reading the abstract. Unfortunately is not in English. Whereas many author might want to cite the author
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concerning specific sports fields: for example, if was a swimmer as a child, will I swim as an adult? 
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Psychologically whole humans desires forms from childhood. So this will effect later on their inclination to choice one sport
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How can I describe the statistical Analysis in my protocol?
My study is about the injury incidence among elite youth football players between 9 and 15 years in 7 Belgian youth academies.
Injury incidence (separately for training, match and total) will be calculated as number of injuries per 1000 players-hours [(∑ injuries ∕ ∑ exposure hours) × 1000], with 95% confidence interval (95% CI).
The aim of the study is to assess the injury incidence over 1 competitive season in elite youth soccer players from 7 academies in Belgium. Within the injury incidence, the study is going to look at:
· The differences between training, match, training and match combined (total);
· The differences between age categories;
· The differences between severity of injuries;
· The differences between game position;
· (The differences between nature of injuries).
Which tests should I use to compare groups? (Age groups, within the groups difference between competition and training, within the groups difference between the game positions, ...).
Where should I pay attention? How should I write this out for my protocol?
Thanks!
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I agree with David C Schneider, if you do model checking and there is overdispersion, negative binomial reg will do.
Cheers
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I am interested in doing a comparative study between the common football injuries in Sudan and England. I would appreciate any information on the injuries in Sudan, treatment methods and training practices.
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Dear Ahmed,
Subjects in this older study had to perform at least a maximum of aerobic power output (VO2 max) at a stationary bicycle ergometer:
el Karim MA, Collins KJ, Dore C. Energy expenditure of agricultural workers in an area of endemic schistosomiasis in the Sudan. Br J Ind Med 1987;44(1):64-7. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1007781/pdf/brjindmed00153-0072.pdf
All the best, Martin
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We all know that life originated from water (liquid state) due to various exposures from sun and environment with some sort of feedback circuits.
I would like to have some discussion based on relationship between basic matters and origination of life. I think, mere presence of liquid state alone is not sufficient for origination of life. Let us assume that the entire world without solid matter (soil, stone, rock, mountain and lands) and the world is made of water (liquid state) alone. Remember there is no solid state, hence there is no ice formation. Theoretically, water (liquid state) must be in a continuous flux (with slow or violent movement, with or without specific directional flow) which depends on various forces exerted by the solar system (mainly sun). Hence, liquid state alone is not sufficient for life origin.
So far no evidence for origination of life in a gaseous state. But, it is widely considered that gaseous state provided some building blocks that required for life formation. Hence, we can easily conclude that gaseous state is not sufficient for life origin.
I consider that the possibility for new life origination is mainly associated with stagnant water or water that flow in specific orientation with the aid of solid matter. In simple words, liquid state with the aid of solid state. Hence, the origin of life cannot be beyond the point of co-existence of solid and liquid matters. Then, it can be conclude that solid matters bridges the gap between gaseous and liquid matters.
For instance, we have football and players but what is the point of having a team without a ground to play. Likewise, what is the point to have gaseous and liquid state without solid matter. Can we consider that solid matter is the key for origin and evolution of life?
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Dear Narayanan,
You state "We all know that life originated from water (liquid state) due to various exposures from sun and environment with some sort of feedback circuits." I suggest that this assertion is not quite true. We really can't claim to know with certainty how life originated on Earth but your statement mostly accords with what we can claim to be the current working hypothsis for the origin of carbon- based life on planet Earth. Whether there is or can be life based on chemistries other than carbon-based or on other processes altogether remains an open question.
I don't think that an earth-like planet of solely liquid water overlying a solid interior is viable because evaporation of the water would create a water-vapor atmosphere even if no other gases were present. I don't think that one can rule out the possibility that life could originate in such a water world if the chemicals of life were present dissolved in the water. Probably the ideal situation for life's origin is that where all three states of matter - liquid, solid and gaseous - are present together as, for example, they are here on Earth.
It's a fun question, that of the origin of life, and one day we might meet up with other living beings. Be prepared to be surprised by the unexpected!
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Recently a young algerian soccer Player (15 yrs; 181cm, 70Kg) presented with the following ECG changes he had developed over the past three years (see PDF file EKGtg). Note preterminal T to T-Inversion alongside with elevated j-point at times (fragmenting).
There's no history of fainting or diziness during exercise or stress, no pectangina, no shortness of breath, no palpiation during rest, no tachycardia during rest, nor family history of sudden cardiac death.
During exercise testing ECG seemingly develops worsening of ST-segment depression (at times descending) with what seems to be normal T configuration in the leads II, III, aVF, V4-V6, only to normalize post exercise and then 4 minutes after testing change to the state as seen in ECG during rest.
Echocardiography was conducted showing normal configuration especially of RV with normal excursion, RVOT was 17mm showing no gradient, no pouches, no aneurysms, no valvular anormalities, no diastolic dysfunction (see attached file)
3-lead 24-h-holter was conducted showing SR with normal heartrate variation, no supra- or ventricular tachycardia, rarely ectopic beats (5 ES, 10 VES and 82 SVES), no blocks, no afib.
Cardiac MRI was conducted showing no major ARVD criterion (see attached files).
In general we think this is a rare documentation of development of ARVD with starting LV participation in the ECG prior to visible correlate in MRI. We changed intervall of visit to 6 month and will conduct cardiac MRI on a 12 month basis. After thorough discussion we did approve to FIFA licensing.
I would like to hear your opinion, thoughts, hints on this case.
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Thanks Benito for one more ECG in young athlete. I do not think this boy has any structural heart disease. This type of high voltage and ST T changes are well described as part of Athlete's heart. The repolarisation abnormalities can be labile and can get attenuated or exaggerated during exercise - more often attenuated. I do not think he requires any more investigations for ARVD.
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I have worked with soccer and hockey players .
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How will you be assessing them? Optimal performance is a tricky thing to define. Phil Kessel and Sidney Crosby do not train the same way yet they both perform at an elite level. Connor McDavid and Crosby would be a good choice to pair up then compare them to past generations as training for the sport of hockey is very different than it was 20 years ago. Guys still smoked and drank beer after games.
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Need to apply life-cycle asset management approaches to enhance sports engineering. Like infrastructure, the human body has an 80-year+ life-span - which is why we go to the dentist and have regular check-ups. Preventive maintenance, proservation techniques, life-cycle value engineering can all play into the sports engineering field. Sports engineering has the $$$ incentive to produce great results in longevity of life spans. Look how the results of war have contributed to human reconstruction. Sports madicen can also benefit from sports engineering - consider the extension to robotics.
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I know Rick Greenwald from Simbex has been extensively working on monitoring impacts on helmets to try to prevent concussion.
Hope that can help
Thomas
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i need a study related to soccers impact of society like about holligans or gambling development
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Hi Redouan!
I am writing you because, now I am not studying about this topic, but one year ago I can wrote my university final proyect about "Hooliganism and violencia, impact on spanish media. Comparative analysis".
Futhermore I have several books and articles that could help you:
· Spaaij, R. (2014). Sports crowd violence: An interdisciplinary synthesis. Aggression and violent behavior, 19(2), 146-155.
· Rookwood, J., & Spaaij, R. (2017). Violence in Football (Soccer): Overview, Prevalence, and Risk Factors. The Wiley Handbook of Violence and Aggression, 1-12.
· Armstrong, G., & Hodges-Ramon, L. (2015). Sport and Crime.
Good luck!
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Does anybody know how I could collect data of football clubs in Greece (profitability, e.t.c.) ? Except balance sheets which only few of them have been published. What other courses could be helpful on that goal?
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Dear Stamatiki-Maria,
Maybe the following papers will help you on the subject:
Dimitropoulos P. The Financial Performance of the Greek Football Clubs. Sport Management International Journal 2010;6(1):6-28. http://choregia.org/images/issues/611.pdf
Dimitropoulos PE, Alexopoulos P. Attendance, Revenues, Profits and the On-Field Performance of the Greek Football Clubs. International Journal of Scientific Engineering and Research 2014;2(9):33-39. http://www.ijser.in/archives/v2i9/MDExNDA5MjY=.pdf
Chelmis E, Niklis D, Baourakis G, Zopounidis C. Multiciteria evaluation of football clubs: the Greek Superleague. Operational Research - An International Journal 2017. 1-30. https://doi.org/10.1007/s12351-017-0300-2
Perhaps you contact to your question Dr. Panagiotis E. Dimitropoulos from the University of Peloponnese: https://www.researchgate.net/profile/Panagiotis_Dimitropoulos
Best wishes from Germany,
Martin
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Eccentric exercise training is widely known to initiate muscular hypertrophy and consequent eccentric strength gains. Moreover a number of recent studies have demonstrated that eccentric cycling training can cause significant hypertrophy in the active muscle. On the other hand, functionally, this exercise is not context related (regarding football motor behaviour) and is plausible to assume that it could change the peak torque angle.
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You may find this article interesting:
Schuermans J, Van Tiggelen D, Witrouw E. Prone Hip Extension Muscle Recruitment is Associated with Hamstring Injury Risk in Amateur Soccer. Int J Sports Med. 2017 Sep;38(9):696-706
As you stated, my concern would also be the lack of carryover due to the differences in the motions and demands of the sports. In fact, it is perceivable that the resulting strength in a limited range of motion could increase the risk of injury when performing the larger-ROM tasks of soccer play, especially if there is adaptive shortening of the muscle-tendon unit.
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