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https://www.readbyqxmd.com/read/28107219/do-neurocognitive-scat3-baseline-test-scores-differ-between-footballers-soccer-living-with-and-without-disability-a-cross-sectional-study
#1
Richard Weiler, Willem van Mechelen, Colin Fuller, Osman Hassan Ahmed, Evert Verhagen
OBJECTIVE: To determine if baseline Sport Concussion Assessment Tool, third Edition (SCAT3) scores differ between athletes with and without disability. DESIGN: Cross-sectional comparison of preseason baseline SCAT3 scores for a range of England international footballers. SETTING: Team doctors and physiotherapists supporting England football teams recorded players' SCAT 3 baseline tests from August 1, 2013 to July 31, 2014. PARTICIPANTS: A convenience sample of 249 England footballers, of whom 185 were players without disability (male: 119; female: 66) and 64 were players with disability (male learning disability: 17; male cerebral palsy: 28; male blind: 10; female deaf: 9)...
January 17, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28101329/association-between-sports-type-and-overuse-injuries-of-extremities-in-adults-a-systematic-review
#2
REVIEW
Charlène Chéron, Christine Le Scanff, Charlotte Leboeuf-Yde
BACKGROUND: Sports injuries are often described as overuse or traumatic. Little is known about the frequency of overuse injuries and, in particular, if they vary between different types of sporting activities. PURPOSE: To identify any differences between sports in relation to diagnoses of overuse injuries of the extremities (OIE) and anatomical areas most likely to be injured in adults and to compare these findings with those reported in youngsters, as identified in a previous review...
2017: Chiropractic & Manual Therapies
https://www.readbyqxmd.com/read/28096246/chronic-traumatic-encephalopathy-is-latency-in-symptom-onset-explained-by-tau-propagation
#3
Joshua Kriegel, Zachary Papadopoulos, Ann C McKee
Chronic traumatic encephalopathy (CTE) is a neurodegenerative tauopathy associated with repetitive mild brain trauma. CTE, previously termed "dementia pugilistica," has been identified in American football, ice hockey, baseball, rugby and soccer players, boxers, wrestlers, and military personnel exposed to blast and other traumatic brain injuries. There is often a long latency period between an individual's exposure to repetitive brain trauma and the clinical symptoms of CTE. The pathology of CTE is characterized by a progression from isolated focal perivascular hyperphosphorylated tau lesions in the cerebral cortex to a widespread tauopathy that involves diffuse cortical and medial temporal lobe regions...
January 17, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28095726/male-professional-footballers-experiences-of-mental-health-difficulties-and-help-seeking
#4
Susan Wood, Lesley K Harrison, Jo Kucharska
OBJECTIVES: Male professional footballers (Soccer) represent an at-risk population of developing mental health difficulties and not accessing professional support. One in four current footballers report mental health difficulties. Higher prevalence is reported after retirement. This qualitative study aimed to provide in-depth insight into male professional footballers' lived experiences of mental health difficulties and help-seeking. METHODS: Seven participants were interviewed...
January 18, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28094488/effects-of-leg-contrast-strength-training-on-sprint-agility-and-repeated-change-of-direction-performance-in-male-soccer-players
#5
Mehréz Hammami, Yassine Negra, Roy J Shephard, Mohamed Souhaiel Chelly
BACKGROUND: Contrast training is popular technique among individuals who are involved in dynamic sports, having as its goal an increase in dynamic muscular performance. It is characterized by the use of high and low loads in the same strength training session. The present investigation aimed to determine the effects of adding 8--weeks of contrast strength training (CSTP) to regular soccer practice in U--17 male soccer players during the competitive season. We hypothesized that CSTP would enhance their performance...
January 17, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28090138/agility-training-in-young-elite-soccer-players-promising-results-compared-to-change-of-direction-drills
#6
A Chaalali, M Rouissi, M Chtara, A Owen, N L Bragazzi, W Moalla, A Chaouachi, M Amri, K Chamari
The aim of this study was to compare the effect of two different training programmes - change of direction (COD) vs. agility (AG) - on straight sprint (SS), COD and AG test performances in young elite soccer players. Thirty-two soccer players (age: 14.5±0.9 years; height: 171.2±5.1 cm; body mass: 56.4±7.1 kg, body fat: 10.3±2.3%) participated in a short-term (6 weeks) training study. Players were randomly assigned to two experimental groups - training with change of direction drills (COD-G, n=11) or using agility training (AG-G, n= 11) - and to a control group (CON-G, n=10)...
December 2016: Biology of Sport
https://www.readbyqxmd.com/read/28087543/leisure-time-sport-and-overuse-injuries-of-extremities-in-children-age-6-13-a-2-5%C3%A2-years-prospective-cohort-study-the-champs-study-dk
#7
Charlène Chéron, Charlotte Leboeuf-Yde, Christine Le Scanff, Eva Jespersen, Christina Trifonov Rexen, Claudia Franz, Niels Wedderkopp
OBJECTIVES: It is not known which sports are most likely to cause overuse injuries of the extremities in children. In this study, we report on the incidence of overuse injuries of the upper and lower extremities in children who participate in various leisure-time sports and relate this to the frequency of sport sessions. DESIGN: Natural experiment including a prospective cohort study. SETTING: 10 state schools in 1 Danish municipality: Svendborg...
January 13, 2017: BMJ Open
https://www.readbyqxmd.com/read/28087394/hawkins-type-ii-talar-fracturewithsubtalar-dislocation%C3%A2-a-veryunusualcombination
#8
Romain Gérard, Nathalie Kerfant, Geoffroy Dubois de Mont Marin, Richard Stern, Mathieu Assal
We report the unusualcase of a 16-year-old young man whosustained a rare association of a Hawkins' type-II talar neck fracture with a completemedialsubtalar dislocation (Hawkins type-IIB) thatoccurred as anisolatedinjuryafter indirect trauma during a soccer game. Followingclosedreduction of the subtalar dislocation, standard radiographs and computedtomography (CT)demonstrated a comminuted fracture of the talus involving the base of the talar neck. Open reductionwasperformed and the fracture wasstabilizedby ORIF...
January 10, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28070599/organophosphate-neurotoxicity-to-the-voluntary-motor-system-on-the-trail-of-environment-caused-amyotrophic-lateral-sclerosis-the-known-the-misknown-and-the-unknown
#9
Samantha J Merwin, Teresa Obis, Yanelli Nunez, Diane B Re
Amyotrophic lateral sclerosis (ALS) is the most common adult-onset paralytic disorder. It is characterized by progressive degeneration of the motor neurons controlling voluntary movement. The underlying mechanisms remain elusive, a fact that has precluded development of effective treatments. ALS presents as a sporadic condition 90-95% of the time, i.e., without familial history or obvious genetic mutation. This suggests that ALS has a strong environmental component. Organophosphates (OPs) are prime candidate neurotoxicants in the etiology of ALS, as exposure to OPs was linked to higher ALS incidence among farmers, soccer players, and Gulf War veterans...
January 9, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28067762/ecologically-valid-carbohydrate-intake-during-soccer-specific-exercise-does-not-affect-running-performance-in-a-fed-state
#10
Mark P Funnell, Nick R Dykes, Elliot J Owen, Stephen A Mears, Ian Rollo, Lewis J James
This study assessed the effect of carbohydrate intake on self-selected soccer-specific running performance. Sixteen male soccer players (age 23 ± 4 years; body mass 76.9 ± 7.2 kg; predicted VO2max = 54.2 ± 2.9 mL∙kg(-1)∙min(-1); soccer experience 13 ± 4 years) completed a progressive multistage fitness test, familiarisation trial and two experimental trials, involving a modified version of the Loughborough Intermittent Shuttle Test (LIST) to simulate a soccer match in a fed state. Subjects completed six 15 min blocks (two halves of 45 min) of intermittent shuttle running, with a 15-min half-time...
January 5, 2017: Nutrients
https://www.readbyqxmd.com/read/28065123/observations-of-youth-football-training-how-do-coaches-structure-training-sessions-for-player-development
#11
Donna O'Connor, Paul Larkin, A Mark Williams
We used systematic observation tools to explore the structure (i.e., activity and inactivity) and sequencing (i.e., the types of activities used) of football coaching sessions in Australia following the implementation of a new National Curriculum. Youth soccer coaches (n = 34), coaching within the Skill Acquisition (U11-U13 n = 19) and Game Training (U14-U17 n = 15) phases of the Football Federation Australia National Curriculum participated. Participants were filmed during a regular coaching session, with systematic observation of the session undertaken to provide a detailed analysis of the practice activities and coach behaviours...
January 7, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28060035/etiology-and-recovery-of-neuromuscular-fatigue-following-simulated-soccer-match-play
#12
Kevin Thomas, Jack Dent, Glyn Howatson, Stuart Goodall
PURPOSE: We profiled the etiology and recovery of neuromuscular fatigue post-simulated-soccer-match-play. METHODS: Fifteen semi-professional players completed a 90 min simulated soccer match. Pre-, immediately-post and at 24, 48 and 72 h participants completed a battery of neuromuscular, physical and perceptual tests. Perceived fatigue and muscle soreness were assessed via visual analogue scales. Maximum voluntary contraction (MVC) and twitch responses to electrical (femoral nerve) and magnetic (motor cortex) stimulation during isometric knee-extensor contractions and at rest were measured to assess central (voluntary activation, VA) and peripheral (quadriceps potentiated twitch force, Qtw,pot) fatigue, and responses to single and paired-magnetic stimuli were assessed to quantify corticospinal excitability and short-intracortical inhibition (SICI), respectively...
January 3, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28058976/laterality-related-to-the-successive-selection-of-dutch-national-youth-soccer-players
#13
Jan Verbeek, Marije T Elferink-Gemser, Laura Jonker, Barbara C H Huijgen, Chris Visscher
In the general population, estimates of left-foot preference are around 20%. In soccer, specific tasks create positional demands, requiring 40% of the players to be left-footed. Whether and how this is related to the selection of players is unknown. To examine the successive selection of soccer players for Dutch national youth teams in relation to foot preference, 280 youth players (age = 16.2 ± 1.08 years) were monitored from the U16 through the U19 teams over the last 5 years. No difference in successive selection between left- and right-footed players was found (p < 0...
January 6, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28051343/methodological-considerations-when-quantifying-high-intensity-efforts-in-team-sport-using-global-positioning-system-technology
#14
Matthew C Varley, Arne Jaspers, Werner F Helsen, James J Malone
Purpose Sprints and accelerations are popular performance indicators in applied sport. The methods used to define these efforts using athlete tracking technology could affect the number of efforts reported. The study aimed to determine the influence of different techniques and settings for detecting high-intensity efforts using Global Positioning System (GPS) data. Methods Velocity and acceleration data of a professional soccer match was recorded via 10-Hz GPS. Velocity data was filtered using either a median or exponential filter...
January 4, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28050927/energy-intake-and-expenditure-of-professional-soccer-players-of-the-english-premier-league-evidence-of-carbohydrate-periodization
#15
Liam Anderson, Patrick Orme, Robert J Naughton, Graeme L Close, Jordan Milsom, David Rydings, Andy O'Boyle, Rocco Di Michele, Julien Louis, Catherine Hambley, John Roger Speakman, Ryland Morgans, Barry Drust, James P Morton
In an attempt to better identify and inform the energy requirements of elite soccer players, we quantified the energy expenditure (EE) of players from the English Premier League (n=6) via the doubly labeled water method (DLW) over a 7-day in-season period. Energy intake (EI) was also assessed using food diaries, supported by the remote food photographic method and 24 h recalls. The 7-day period consisted of 5 training days (TD) and 2 match days (MD). Although mean daily EI (3186 ± 367 kcals) was not different from (P>0...
January 4, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28050542/epidemiological-profile-of-patients-diagnosed-with-athletic-pubalgia
#16
Anderson Luiz de Oliveira, Carlos Vicente Andreoli, Benno Ejnisman, Roberto Dantas Queiroz, Osvaldo Guilherme Nunes Pires, Guilherme Guadagnini Falótico
OBJECTIVE: To evaluate the clinical and epidemiological characteristics of pubalgia in patients from a Sports Medicine Center. METHODS: Data analysis from medical records of patients with athletic pubalgia attended to from January 2007 to January 2015. The diagnosis was made by an experienced hip surgeon, complemented with pelvic X-ray, abdominal wall ultrasound, and magnetic resonance imaging of the pelvis. RESULTS: Among 43 patients, 42 were men, with mean age of 33 years...
November 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28050535/anterior-cruciate-ligament-and-meniscal-injuries-in-sports-incidence-time-of-practice-until-injury-and-limitations-caused-after-trauma
#17
Diego Costa Astur, Marcos Xerez, João Rozas, Pedro Vargas Debieux, Carlos Eduardo Franciozi, Moises Cohen
OBJECTIVE: To analyze the incidence of ACL and meniscal injuries in a population of recreational and elite athletes from Brazil and the relation of these injuries with their sports activities. METHODS: This was a prospective observational study of 240 patients with ACL and/or meniscal injuries submitted to surgical treatment. Data of patients and sport modality, as well as Tegner score were registered in the first clinical evaluation. The patients were divided into three groups: (1) isolated rupture of the ACL; (2) ACL injury associated with meniscal injury; (3) isolated menisci injury...
November 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28049594/anterior-inferior-iliac-spine-morphology-and-outcomes-of-hip-arthroscopy-in-soccer-athletes-a%C3%A2-comparison-to-nonkicking-athletes
#18
Danyal H Nawabi, Ryan M Degen, Kara G Fields, Catherine S Wentzel, Olusanjo Adeoye, Bryan T Kelly
PURPOSE: To describe the anterior inferior iliac spine (AIIS) morphology and clinical outcomes following arthroscopic surgical decompression in a group of high-level soccer athletes presenting with symptomatic hip impingement when compared with a control group of nonkicking athletes. METHODS: From 2009 to 2012, we retrospectively reviewed our prospective hip registry for soccer athletes who underwent arthroscopic treatment for femoroacetabular impingement (FAI) with 2-year follow-up, comparing with a control group of nonkicking athletes...
December 31, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28033036/nonverbal-communication-of-confidence-in-soccer-referees-an-experimental-test-of-darwin-s-leakage-hypothesis
#19
Philip Furley, Geoffrey Schweizer
The goal of the present paper was to investigate whether soccer referees' nonverbal behavior (NVB) differed based on the difficulty of their decisions and whether perceivers could detect these systematic variations. On the one hand, communicating confidence via NVB is emphasized in referee training. On the other hand, it seems feasible from a theoretical point of view that particularly following relatively difficult decisions referees have problems controlling their NVB. We conducted three experiments in order to investigate into this question...
December 29, 2016: Journal of Sport & Exercise Psychology
https://www.readbyqxmd.com/read/28031773/developing-talented-soccer-players-an-analysis-of-socio-spatial-factors-as-possible-key-constraints
#20
Jaime Serra-Olivares, Juan C Pastor-Vicedo, Sixto González-Víllora, Israel Teoldo da Costa
Most studies on the identification and development of soccer talent have been one-dimensional in nature. Although some multi-dimensional analyses have been conducted, few research studies have assessed in any depth the socio-spatial factors influencing talent development. The aim of this particular study was to analyse variations in the international representation of clubs (n = 821) and countries (n = 59) in the development of players who took part in the 2014 FIFA Soccer World Cup. Clubs and countries were ranked and divided into quartiles according to the number of players developed between the ages of 15 and 21 (clubs and countries that developed players for at least three years between these ages) and the number of official league matches played by these players up to the age of 23...
December 1, 2016: Journal of Human Kinetics
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