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https://www.readbyqxmd.com/read/28941634/applying-graphs-and-complex-networks-to-football-metric-interpretation
#1
E Arriaza-Ardiles, J M Martín-González, M D Zuniga, J Sánchez-Flores, Y de Saa, J M García-Manso
This work presents a methodology for analysing the interactions between players in a football team, from the point of view of graph theory and complex networks. We model the complex network of passing interactions between players of a same team in 32 official matches of the Liga de Fútbol Profesional (Spain), using a passing/reception graph. This methodology allows us to understand the play structure of the team, by analysing the offensive phases of game-play. We utilise two different strategies for characterising the contribution of the players to the team: the clustering coefficient, and centrality metrics (closeness and betweenness)...
September 20, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28937917/head-impact-exposure-measured-in-a-single-youth-football-team-during-practice-drills
#2
Mireille E Kelley, Joeline M Kane, Mark A Espeland, Logan E Miller, Alexander K Powers, Joel D Stitzel, Jillian E Urban
OBJECTIVE This study evaluated the frequency, magnitude, and location of head impacts in practice drills within a youth football team to determine how head impact exposure varies among different types of drills. METHODS On-field head impact data were collected from athletes participating in a youth football team for a single season. Each athlete wore a helmet instrumented with a Head Impact Telemetry (HIT) System head acceleration measurement device during all preseason, regular season, and playoff practices...
September 12, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28912742/perception-action-and-cognition-of-football-referees-in-extreme-temperatures-impact-on-decision-performance
#3
Nadia Gaoua, Rita F de Oliveira, Steve Hunter
Different professional domains require high levels of physical performance alongside fast and accurate decision-making. Construction workers, police officers, firefighters, elite sports men and women, the military and emergency medical professionals are often exposed to hostile environments with limited options for behavioral coping strategies. In this (mini) review we use football refereeing as an example to discuss the combined effect of intense physical activity and extreme temperatures on decision-making and suggest an explicative model...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28904595/a-cross-continental-study-on-children-s-drawings-of-football-players-implications-for-understanding-key-issues-and-controversies-in-human-figure-drawings
#4
Bahman Baluch, Linda J Duffy, Rokhsareh Badami, Elisangela C Ap Pereira
Professionals examine various aspects of girls' and boys' drawings as a way of understanding their intelligence, personality and emotional state. However, the extent to which such measures could be universally generalised or attributed to a specific cultural norm is still a debatable issue. In the present study five key features of children's drawings namely: the size (height) of the drawings, profile or full face, figure in action or static, shaded or non-shaded and the nature of additional details were examined from a cross-cultural perspective, and by providing a topic (football) for which children's drawing of a human figure could provide opportunities for the latter indices to manifest and flourish...
August 2017: Europe's journal of psychology
https://www.readbyqxmd.com/read/28885451/visual-structure-and-function-in-collision-sport-athletes
#5
Danielle Leong, Christina Morettin, Leonard V Messner, Robert J Steinmetz, Yi Pang, Steven L Galetta, Laura J Balcer
BACKGROUND: Vision-based measures have been shown to be useful markers in multiple sclerosis (MS), Alzheimer and Parkinson disease. Therefore, these testing paradigms may have applications to populations explaining repetitive head trauma that has been associated with long-term neurodegenerative sequelae. We investigated retinal structure and visual function in professional collision sport athletes compared to age- and race-matched control participants. METHODS: In this cross-sectional study, participants underwent spectral-domain optical coherence tomography (OCT) measurements of peripapillary retinal nerve fiber layer (RNFL) and macular ganglion cell complex (GCC = ganglion cell + inner plexiform layers) thickness...
September 6, 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/28874926/craniosacral-therapy-and-visceral-manipulation-a-new-treatment-intervention-for-concussion-recovery
#6
Gail Wetzler, Melinda Roland, Sally Fryer-Dietz, Dee Dettmann-Ahern
Background: Military service members and veterans face health issues related to traumatic brain injury (TBI), especially during combat, use of heavy equipment, and exposures to environmental hazards and explosives. There were 400,000 TBIs reported in deployed U.S. troops in 2012. Athletes are also subject to TBI. Studies have indicated that some manual therapies could be helpful for treating patients who have post-concussive syndrome. Objective: This case series report describes the effects of CranioSacral Therapy (CST), Visceral Manipulation (VM), and Neural Manipulation (NM) modalities for treating patients who have post-concussion syndrome...
August 1, 2017: Medical Acupuncture
https://www.readbyqxmd.com/read/28872485/what-is-the-value-of-a-national-football-league-draft-pick-an-analysis-based-on-changes-made-in-the-collective-bargaining-agreement
#7
Matthew J Kraeutler, Trevor J Carver, John W Belk, Eric C McCarty
The purpose of this study was to analyze and compare the value of players drafted in early rounds of the NFL Draft since the new collective bargaining agreement (CBA) began in 2011. The NFL's player statistics database and database of player contract details were searched for players drafted in the first three rounds of the 2011 to 2013 NFL Drafts. Performance outcomes specific to each position were divided by each player's salary to calculate a value statistic. Various demographics, NFL Combine results, and total number of games missed due to injury were also recorded for each player...
June 2, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28870119/a-history-of-concussions-is-associated-with-symptoms-of-common-mental-disorders-in-former-male-professional-athletes-across-a-range-of-sports
#8
Vincent Gouttebarge, Haruhito Aoki, Michael Lambert, William Stewart, Gino Kerkhoffs
OBJECTIVE: Recent reports suggest that exposure to repetitive concussions in sports is associated with an increased risk of symptoms of distress, anxiety and depression, sleep disturbance or substance abuse/dependence (typically referred as symptoms of common mental disorders[CMD]) and of later development of neurodegenerative disease, in particular chronic traumatic encephalopathy (CTE). The primary aim of this study was to explore the relationship between sports career-related concussions and the subsequent occurrence of symptoms of CMD among former male professional athletes retired from football (soccer), ice hockey and rugby (union)...
September 5, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28858055/thermoregulatory-and-perceptual-effects-of-a-percooling-garment-worn-underneath-an-american-football-uniform
#9
Megan L Keen, Kevin C Miller, Micah N Zuhl
American football athletes are at the highest risk of developing exertional heat illness (EHI). We investigated whether percooling (i.e., cooling during exercise) garments affected perceptual or physiological variables in individuals exercising in the heat while wearing football uniforms. Twelve males (age=24±4y, mass=80.1±8.5kg, height=182.5±10.4cm) completed this cross-over, counterbalanced study. On day 1, we measured peak oxygen consumption (V[Combining Dot Above]O2). On days 2 and 3, participants wore percooling garments with (ICE) or without (CON) ice packs over the femoral and brachial arteries...
August 26, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28840544/transferring-an-analytical-technique-from-ecology-to-the-sport-sciences
#10
Carl T Woods, Sam Robertson, Neil French Collier, Anne L Swinbourne, Anthony S Leicht
BACKGROUND: Learning transfer is defined as an individual's capability to apply prior learnt perceptual, motor, or conceptual skills to a novel task or performance environment. In the sport sciences, learning transfers have been investigated from an athlete-specific perspective. However, sport scientists should also consider the benefits of cross-disciplinary learning to aid critical thinking and metacognitive skill gained through the interaction with similar quantitative scientific disciplines...
August 24, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28838944/infographic-effects-of-specific-injury-prevention-programmes-in-football
#11
EDITORIAL
Kristian Thorborg, Kasper Kühn Krommes, Ernest Esteve, Mikkel Bek Clausen, Else Marie Bartels, Michael Skovdal Rathleff
No abstract text is available yet for this article.
August 24, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28837454/posterior-glenohumeral-instability-evidence-based-treatment
#12
Rachel M Frank, Anthony A Romeo, Matthew T Provencher
Posterior glenohumeral instability is an increasingly important clinical finding in athletic patients. Over the last decade, basic and clinical research has improved our understanding of the pathoanatomy and biomechanics of this challenging disorder, as well as our ability to diagnose and appropriately treat it. Although recurrent posterior shoulder instability is not as common as anterior instability, it is prevalent among specific populations, including football and rugby players, and may be overlooked by clinicians who are unaware of the typical physical examination and radiographic findings...
September 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28817506/maximum-distance-and-high-speed-distance-demands-by-position-in-ncaa-division-i-collegiate-football-games
#13
Gabriel J Sanders, Brad Roll, Corey A Peacock
Sanders, GJ, Roll, B, and Peacock, CA. Maximum distance and high-speed distance demands by position in NCAA division I collegiate football games. J Strength Cond Res 31(10): 2728-2733, 2017-The purpose of the study was to quantify the average and maximum distances traveled by National Collegiate Athletic Association division I football athletes during competitive games. Using global positioning system devices (Catapult Sports), total and low-, moderate-, and high-speed distances were quantified by each position...
October 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28817504/movement-demands-and-perceived-wellness-associated-with-preseason-training-camp-in-ncaa-division-i-college-football-players
#14
Aaron D Wellman, Sam C Coad, Patrick J Flynn, Mike Climstein, Christopher P McLellan
Wellman, AD, Coad, SC, Flynn, PJ, Climstein, M, and McLellan, CP. Movement demands and perceived wellness associated with preseason training camp in NCAA Division I college football players. J Strength Cond Res 31(10): 2704-2718, 2017-The aims of this study were to examine the movement demands of preseason practice in National Collegiate Athletic Association Division I college football players using portable global positioning system (GPS) technology and to assess perceived wellness associated with preseason practice to determine whether GPS-derived variables from the preceding day influence perceived wellness the following day...
October 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28812033/epidemiology-of-injuries-identified-at-the-nfl-scouting-combine-and-their-impact-on-performance-in-the-national-football-league-evaluation-of-2203-athletes-from-2009-to-2015
#15
Brendin R Beaulieu-Jones, William H Rossy, George Sanchez, James M Whalen, Kyle P Lavery, Kevin J McHale, Bryan G Vopat, Joseph J Van Allen, Ramesses A Akamefula, Matthew T Provencher
BACKGROUND: At the annual National Football League (NFL) Scouting Combine, the medical staff of each NFL franchise performs a comprehensive medical evaluation of all athletes potentially entering the NFL. Currently, little is known regarding the overall epidemiology of injuries identified at the combine and their impact on NFL performance. PURPOSE: To determine the epidemiology of injuries identified at the combine and their impact on initial NFL performance. STUDY DESIGN: Cohort study; Level of evidence, 3...
July 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28791942/socioeconomic-status-and-race-outperform-concussion-history-and-sport-participation-in-predicting-collegiate-athlete-baseline-neurocognitive-scores
#16
Zac Houck, Breton Asken, James Clugston, William Perlstein, Russell Bauer
OBJECTIVES: The purpose of this study was to assess the contribution of socioeconomic status (SES) and other multivariate predictors to baseline neurocognitive functioning in collegiate athletes. METHODS: Data were obtained from the Concussion Assessment, Research and Education (CARE) Consortium. Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT) baseline assessments for 403 University of Florida student-athletes (202 males; age range: 18-23) from the 2014-2015 and 2015-2016 seasons were analyzed...
August 9, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28770511/dynamic-brace-is-a-good-option-to-treat-first-anterior-shoulder-dislocation-in-season
#17
M Conti, R Garofalo, A Castagna, G Massazza, E Ceccarelli
PURPOSE: We evaluate the ability of in-season competitive athletes to return to competition after an anterior shoulder instability treated conservatively with a new dynamic brace combined with a specific rehabilitation program. METHODS: Twenty soccer players affected by traumatic anterior shoulder dislocation have been enrolled in the "Footballer In Season Fast Rehab" project during 2 consecutive football seasons. We excluded patients affected by rotator cuff tears and the bony defect over 25%...
August 2, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28770309/mri-detection-of-soleus-muscle-injuries-in-professional-football-players
#18
G Pezzotta, G Querques, A Pecorelli, R Nani, S Sironi
OBJECTIVES: To describe magnetic resonance imaging (MRI) characteristics of soleus muscle injuries in symptomatic professional football players stratified according to both the Munich consensus statement and the British Athletics Muscle Injury Classification (BAMIC), and to investigate the association between specific MRI features and the "return to play" (RTP). MATERIALS AND METHODS: Professional football players with an episode of acute posterior calf pain and impaired function, subsequent to sports activity, underwent ultrasound followed by MRI examination reviewed by two different radiologists with more than 10 years of experience in the musculoskeletal system...
August 2, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28769833/possession-zone-as-a-performance-indicator-in-football-the-game-of-the-best-teams
#19
Claudio A Casal, Rubén Maneiro, Toni Ardá, Francisco J Marí, José L Losada
Possession time in football has been widely discussed in research but few studies have analyzed the importance of the field area in which possession occurs. The objective of this study was to identify the existence of significant differences in the field zone of ball possession between successful and unsuccessful teams and to acknowledge if the match status modulates the possession model. To this end, 2,284 attacks were analyzed corresponding to the matches in the final phase of the UEFA Euro 2016 France, recording possession time and field zone in which possession occurred...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28737587/the-influence-of-tactical-and-situational-variables-on-offensive-sequences-during-elite-football-matches
#20
Hugo Sarmento, António Figueiredo, Carlos Lago-Peñas, Zoran Milanovic, António Barbosa, Pedro Tadeu, Paul S Bradley
This study examined the influence of tactical and situational variables on offensive sequences during elite football matches. A sample of 68 games and 1694 offensive sequences from the Spanish La Liga, Italian Serie A, German Bundesliga, English Premier League and Champions League were analysed using chi-square and logistic regression analyses. Results revealed that counterattacks (OR=1.44; 95% CI: 1.13 to 1.83; P<0.01) and fast attacks (OR=1.43; 95% CI: 1.11 to 1.85; P<0.01) increased the success of an offensive sequence by 40% compared with positional attacks...
July 19, 2017: Journal of Strength and Conditioning Research
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