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https://www.readbyqxmd.com/read/27901311/video-gaming-as-practical-accomplishment-ethnomethodology-conversation-analysis-and-play
#1
Stuart Reeves, Christian Greiffenhagen, Eric Laurier
Accounts of video game play developed from an ethnomethodological and conversation analytic (EMCA) perspective remain relatively scarce. This study collects together an emerging, if scattered, body of research which focuses on the material, practical "work" of video game players. The study offers an example-driven explication of an EMCA perspective on video game play phenomena. The materials are arranged as a "tactical zoom." We start very much "outside" the game, beginning with a wide view of how massive-multiplayer online games are played within dedicated gaming spaces; here, we find multiple players, machines, and many different sorts of activities going on (besides playing the game)...
November 30, 2016: Topics in Cognitive Science
https://www.readbyqxmd.com/read/27900291/elastin-a-possible-genetic-biomarker-for-more-severe-ligament-injuries-in-elite-soccer-a-pilot-study
#2
Rosa Artells, Ricard Pruna, Alexandre Dellal, Nicola Maffulli
BACKGROUND: The study of new genetic biomarkers in genes related to connective tissue repair and regeneration may help to identify individuals with greater predisposition to injury, who may benefit from targeted preventive measures, and those who require longer recovery time following a muscle, ligament or tendon injury. The present study investigated whether single nucleotide polymorphisms of the Elastin gene could be related to MCL injury. METHODS: 60 top class football players were studied to identify single nucleotide polymorphisms for the Elastin (ELN) gene using Allelic Discrimination analysis...
April 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/27900178/self-reported-worst-injuries-in-women-s-australian-football-identify-lower-limb-injuries-as-a-prevention-priority
#3
Lauren V Fortington, Alex Donaldson, Caroline F Finch
BACKGROUND: Increasing participation by women in Australian football (AF) has made understanding their specific injury prevention needs a priority. In other sports, men and women have different injury profiles. This study aims to provide the first overview of self-reported injuries in women's AF. METHODS: Nationwide survey of women aged 17+ years who played in an AF competition was conducted following the 2014 playing season. The players' self-reported worst injury from the 2014 season is presented according to injury type, body part injured, treatment sought and games/training missed...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27900171/priorities-for-injury-prevention-in-women-s-australian-football-a-compilation-of-national-data-from-different-sources
#4
Lauren V Fortington, Caroline F Finch
BACKGROUND/AIM: Participation in Australian football (AF) has traditionally been male dominated and current understanding of injury and priorities for prevention are based solely on reports of injuries in male players. There is evidence in other sports that indicates that injury types differ between males and females. With increasing participation in AF by females, it is important to consider their specific injury and prevention needs. This study aimed to provide a first injury profile from existing sources for female AF...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27895075/associations-of-specific-types-of-sports-and-exercise-with-all-cause-and-cardiovascular-disease-mortality-a-cohort-study-of-80%C3%A2-306-british-adults
#5
Pekka Oja, Paul Kelly, Zeljko Pedisic, Sylvia Titze, Adrian Bauman, Charlie Foster, Mark Hamer, Melvyn Hillsdon, Emmanuel Stamatakis
BACKGROUND/AIM: Evidence for the long-term health effects of specific sport disciplines is scarce. Therefore, we examined the associations of six different types of sport/exercise with all-cause and cardiovascular disease (CVD) mortality risk in a large pooled Scottish and English population-based cohort. METHODS: Cox proportional hazards regression was used to investigate the associations between each exposure and all-cause and CVD mortality with adjustment for potential confounders in 80 306 individuals (54% women; mean±SD age: 52±14 years)...
November 28, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27893486/rankings-of-high-school-sports-injury-rates-differ-based-on-time-loss-assessments
#6
Zachary Y Kerr, Karen G Roos, Aristarque Djoko, Thomas P Dompier, Stephen W Marshall
OBJECTIVE: To examine how injury definition inclusiveness affects the rank order of injury rates in 27 high school (HS) sports. DESIGN: The National Athletic Treatment, Injury and Outcomes Network (NATION) used certified athletic trainers (ATs) to collect injury and athlete-exposure (AE) data in practices and competitions for 27 HS sports during the 2011/2012 to 2013/2014 academic years. Time loss (TL) injuries resulted in ≥24 hours of participation restriction...
November 23, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/27885394/sports-specific-differences-in-postsurgical-infections-after-arthroscopically-assisted-anterior-cruciate-ligament-reconstruction
#7
Werner Krutsch, Johannes Zellner, Florian Zeman, Michael Nerlich, Matthias Koch, Christian Pfeifer, Peter Angele
PURPOSE: Post-operative infection after arthroscopically assisted anterior cruciate ligament (ACL) reconstruction is a rare but severe complication, particularly for young and active patients. It is unclear whether the prevalence of knee infection is correlated with the type of sports or the level of performance. METHODS: From 2008 to 2012, the internal single-centre ACL registry of the FIFA Medical Centre of Excellence Regensburg was retrospectively screened for sex, age, time between isolated primary ACL rupture and surgery, surgical technique, rate of infection after ACL reconstruction and the type of sports practised...
November 24, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27884865/running-exposure-is-associated-with-the-risk-of-hamstring-strain-injury-in-elite-australian-footballers
#8
Joshua D Ruddy, Christopher W Pollard, Ryan G Timmins, Morgan D Williams, Anthony J Shield, David A Opar
BACKGROUND: To investigate the association between running exposure and the risk of hamstring strain injury (HSI) in elite Australian footballers. METHODS: Elite Australian footballers (n=220) from 5 different teams participated. Global positioning system (GPS) data were provided for every athlete for each training session and match for the entire 2015 season. The occurrences of HSIs throughout the study period were reported. Receiver operator characteristic curve analyses were performed and the relative risk (RR) of subsequent HSI was calculated for absolute and relative running exposure variables related to distance covered above 10 and 24 km/hour in the preceding week/s...
November 24, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27875641/saving-science-by-doing-less-of-it
#9
Gregory E Kaebnick
In the current issue of The New Atlantis, Daniel Sarewitz, professor of science and society at Arizona State University, argues that science is broken because it is managed and judged by scientists themselves, operating under Vannevar Bush's famous 1945 declaration that scientific progress depends on the "free play of free intellects … dictated by their curiosity." With that scientific agenda, society ends up with a lot of unnecessary, uncoordinated, and unproductive research. To save science, holds Sarewitz, we need to put it in the hands of people who are looking for practical solutions to specific problems...
November 2016: Hastings Center Report
https://www.readbyqxmd.com/read/27871102/new-risk-curves-for-nhtsa-s-brain-injury-criterion-bric-derivations-and-assessments
#10
Tony R Laituri, Scott Henry, Kevin Pline, Guosong Li, Michael Frankstein, Para Weerappuli
The National Highway Traffic Safety Administration (NHTSA) recently published a Request for Comments regarding a potential upgrade to the US New Car Assessment Program (US NCAP) - a star-rating program pertaining to vehicle crashworthiness. Therein, NHTSA (a) cited two metrics for assessing head risk: Head Injury Criterion (HIC15) and Brain Injury Criterion (BrIC), and (b) proposed to conduct risk assessment via its risk curves for those metrics, but did not prescribe a specific method for applying them. Recent studies, however, have indicated that the NHTSA risk curves for BrIC significantly overstate field-based head injury rates...
November 2016: Stapp Car Crash Journal
https://www.readbyqxmd.com/read/27849130/treatment-of-muscle-injuries-in-football
#11
Peter Ueblacker, Lutz Haensel, Hans-Wilhelm Mueller-Wohlfahrt
Muscle injuries are frequent and represent one of the most substantial medical problems in professional football. They can have both traumatic and overuse causes with direct practical consequence due to differences in terms of the post-primary care regimen and prognosis. An accurate diagnosis is the first step towards a specific treatment and usually allows to predict return to play (RTP). Current treatment principles have no firm scientific basis; they are practiced largely as empirical medicine due to a lack of prospective randomised studies...
November 16, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27809593/levels-and-patterns-of-physical-activity-and-sedentary-time-among-superdiverse-adolescents-in-east-london-a-cross-sectional-study
#12
Whitney B Curry, Symeon Dagkas, Marcia Wilson
OBJECTIVES: Little is known about the physical activity (PA) and sedentary time (ST) habits of adolescents from superdiverse communities in the UK. The objectives of this study are to examine and report the patterns of PA/ST among adolescents in East London living in superdiverse communities, to identify opportunities/barriers to PA and inform policy/practice. DESIGN: A total of 1260 young people (aged 11-13 years) from seven secondary schools in East London completed a questionnaire on PA/ST over the past seven days as part of the Newham's Every Child a Sports Person (NECaSP) intervention...
November 3, 2016: Ethnicity & Health
https://www.readbyqxmd.com/read/27806015/gps-analysis-of-a-high-school-football-scrimmage
#13
B H Gleason, M Sams, J T Salley, A Pustina, M H Stone
The purpose of this study was to examine the physical demands of a high school American football scrimmage. Male high school football players (N = 25) participated in a spring scrimmage. Global positioning system data and game film were recorded throughout the entirety of the scrimmage to determine the total distance covered, the distance covered in different velocity bands, the number of accelerations and decelerations performed, and the work-to-rest ratio of the scrimmage. The athletes were divided into two groups: linemen (L) (N = 7) vs...
October 24, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27803635/discriminating-talent-identified-junior-australian-footballers-using-a-fundamental-gross-athletic-movement-assessment
#14
Carl T Woods, Harry G Banyard, Ian McKeown, Job Fransen, Sam Robertson
Talent identification (TID) is a pertinent component of the sports sciences, affording practitioners the opportunity to target developmental interventions to a select few; optimising financial investments. However, TID is multi-componential, requiring the recognition of immediate and prospective performance. The measurement of athletic movement skill may afford practitioners insight into the latter component given its augmented relationship with functional sport specific qualities. It is currently unknown whether athletic movement skill is a discriminant quality in junior Australian football (AF)...
September 2016: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/27789430/training-loads-and-injury-risk-in-australian-football-differing-acute-chronic-workload-ratios-influence-match-injury-risk
#15
David L Carey, Peter Blanch, Kok-Leong Ong, Kay M Crossley, Justin Crow, Meg E Morris
AIMS: (1) To investigate whether a daily acute:chronic workload ratio informs injury risk in Australian football players; (2) to identify which combination of workload variable, acute and chronic time window best explains injury likelihood. METHODS: Workload and injury data were collected from 53 athletes over 2 seasons in a professional Australian football club. Acute:chronic workload ratios were calculated daily for each athlete, and modelled against non-contact injury likelihood using a quadratic relationship...
October 27, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27780175/player-selection-bias-in-national-football-league-draftees
#16
Kyle S Beyer, David H Fukuda, Michael J Redd, Jeffrey R Stout, Jay R Hoffman
Beyer, KS, Fukuda, DH, Redd, MJ, Stout, JR, and Hoffman, JR. Player selection bias in National Football League draftees. J Strength Cond Res 30(11): 2965-2971, 2016-Relative age effects (RAEs) have been studied as a potential factor associated with player selection bias in numerous sports. However, little research has examined the role of RAEs among National Football League (NFL) draftees. The purpose of the current study was to determine the existence of RAEs in NFL draftees from the last 10 NFL drafts. Draftee birth dates were collected and divided into calendar and scholastic quarters (SQ1-SQ4)...
November 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27776547/validation-of-the-fash-functional-assessment-scale-for-acute-hamstring-injuries-questionnaire-for-german-speaking-football-players
#17
Heinz Lohrer, Tanja Nauck, Vasileios Korakakis, Nikos Malliaropoulos
BACKGROUND: The FASH (Functional Assessment Scale for Acute Hamstring Injuries) questionnaire has been recently developed as a disease-specific self-administered questionnaire for use in Greek, English, and German languages. Its psychometric qualities (validity and reliability) were tested only in Greek-speaking patients mainly representing track and field athletes. As hamstring injuries represent the most common football injury, we tested the validity and reliability of the FASH-G (G = German version) questionnaire in German-speaking footballers suffering from acute hamstring injuries...
October 24, 2016: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/27775478/subconcussive-head-impact-exposure-and-white-matter-tract-changes-over-a-single-season-of-youth-football
#18
Naeim Bahrami, Dev Sharma, Scott Rosenthal, Elizabeth M Davenport, Jillian E Urban, Benjamin Wagner, Youngkyoo Jung, Christopher G Vaughan, Gerard A Gioia, Joel D Stitzel, Christopher T Whitlow, Joseph A Maldjian
Purpose To examine the effects of subconcussive impacts resulting from a single season of youth (age range, 8-13 years) football on changes in specific white matter (WM) tracts as detected with diffusion-tensor imaging in the absence of clinically diagnosed concussions. Materials and Methods Head impact data were recorded by using the Head Impact Telemetry system and quantified as the combined-probability risk-weighted cumulative exposure (RWECP). Twenty-five male participants were evaluated for seasonal fractional anisotropy (FA) changes in specific WM tracts: the inferior fronto-occipital fasciculus (IFOF), inferior longitudinal fasciculus, and superior longitudinal fasciculus (SLF)...
December 2016: Radiology
https://www.readbyqxmd.com/read/27755010/neuromuscular-training-availability-and-efficacy-in-preventing-anterior-cruciate-ligament-injury-in-high-school-sports-a-retrospective-cohort-study
#19
Jared J Murray, Colleen M Renier, Jenny J Ahern, Barbara A Elliott
OBJECTIVE: To document neuromuscular training (NMT) availability and its relationship to anterior cruciate ligament (ACL) injuries in 4 major high school sports by gender, sport, and rural/urban geography, with the hypothesis that increased exposure to NMT would be associated with fewer ACL injuries. DESIGN: A retrospective cohort study. SETTING: All Minnesota high schools identified in the Minnesota State High School League (MSHSL) database for fall 2014 boys' football and soccer, and girls' volleyball and soccer...
October 17, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/27749628/cervical-spine-injuries-in-children-associated-with-sports-and-recreational-activities
#20
Lynn Babcock, Cody S Olsen, David M Jaffe, Julie C Leonard
OBJECTIVE: The aim of this study was to ascertain potential factors associated with cervical spine injuries in children injured during sports and recreational activities. METHODS: This is a secondary analysis of a multicenter retrospective case-control study involving children younger than 16 years who presented to emergency departments after blunt trauma and underwent cervical spine radiography. Cases had cervical spine injury from sports or recreational activities (n = 179)...
September 30, 2016: Pediatric Emergency Care
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