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https://www.readbyqxmd.com/read/29353246/a-concept-mapping-approach-to-identifying-the-barriers-to-implementing-an-evidence-based-sports-injury-prevention-programme
#1
Alex Donaldson, Aisling Callaghan, Mario Bizzini, Andrew Jowett, Patrick Keyzer, Matthew Nicholson
BACKGROUND AND AIM: Understanding the barriers to programme use is important to facilitate implementation of injury prevention programmes in real-word settings. This study investigated the barriers to coaches of adolescent female soccer teams, in Victoria, Australia, implementing the evidence-based FIFA 11+ injury prevention programme. METHODS: Concept mapping with data collected from 19 soccer coaches and administrators. RESULTS: Brainstorming generated 65 statements as barriers to 11+ implementation...
January 20, 2018: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
https://www.readbyqxmd.com/read/29351221/mechanical-structural-design-of-a-mems-based-piezoresistive-accelerometer-for-head-injuries-monitoring-a-computational-analysis-by-increments-of-the-sensor-mass-moment-of-inertia
#2
Marco Messina, James Njuguna, Chrysovalantis Palas
This work focuses on the proof-mass mechanical structural design improvement of a tri-axial piezoresistive accelerometer specifically designed for head injuries monitoring where medium-G impacts are common; for example, in sports such as racing cars or American Football. The device requires the highest sensitivity achievable with a single proof-mass approach, and a very low error (<1%) as the accuracy for these types of applications is paramount. The optimization method differs from previous work as it is based on the progressive increment of the sensor proof-mass mass moment of inertia (MMI) in all three axes...
January 19, 2018: Sensors
https://www.readbyqxmd.com/read/29351164/body-mass-index-versus-body-fat-percentage-in-prospective-nfl-athletes-overestimation-of-obesity-rate-in-athletes-at-the-nfl-scouting-combine
#3
Capt Matthew T Provencher, Jorge Chahla, George Sanchez, Mark E Cinque, Nicholas I Kennedy, Jim Whalen, Mark D Price, Gilbert Moatshe, Robert F LaPrade
Obesity has been previously noted as a major issue in the National Football League (NFL), where it has been shown that 97% of all players demonstrate a body mass index (BMI) of ≥25.0 with a reported obesity rate of 56% (BMI ≥30.0). However, BMI does not take into account body composition by mass, and may overestimate prevalence of obesity. The purposes of this study were to (1) determine the validity of BMI as a measure of body fat percentage and obesity in athletes at the NFL Combine, to define the obesity rate based on body fat percentage compared to BMI...
January 17, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29350553/role-strain-part-1-experiences-of-athletic-trainers-employed-in-the-professional-sports-setting
#4
Manual G Romero, William A Pitney, Kirk Brumels, Stephanie M Mazerolle
CONTEXT:   The demands and expectations of athletic trainers employed in professional sports settings (ATPSSs) have increased over the years. Meeting these demands and expectations may predispose the athletic trainer to workplace stress and ultimately role strain. OBJECTIVE:   To investigate the concept of role strain among ATPSSs. DESIGN:   Sequential, explanatory mixed-methods study consisting of 2 phases: (1) population role-strain survey and (2) personal interviews...
January 19, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29350552/role-strain-part-2-perceptions-among-athletic-trainers-employed-in-the-professional-practice-setting
#5
Manual G Romero, William A Pitney, Stephanie M Mazerolle, Kirk Brumels
CONTEXT:   Athletic trainers (ATs) employed in the professional sports setting (ATPSSs) demonstrate moderate to high degrees of role strain. The experiences and perceptions of these ATs provide insight regarding the sources of role strain as well as ways to reduce it. OBJECTIVE:   To investigate the perceptions of ATPSSs regarding role strain. DESIGN:   Qualitative study. PATIENTS OR OTHER PARTICIPANTS:   From a purposeful sampling of 389 ATs employed in the 5 major sport leagues (Major League Baseball, Major League Soccer, National Basketball Association, National Football League, and National Hockey League), we identified 34 participants willing to participate in a phone interview...
January 19, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29349651/epidemiology-of-head-injuries-focusing-on-concussions-in-team-contact-sports-a-systematic-review
#6
REVIEW
Annika Prien, Alexander Grafe, Roland Rössler, Astrid Junge, Evert Verhagen
BACKGROUND: Although injuries to the head represent a small proportion of all sport injuries, they are of great concern due to their potential long-term consequences, which are even suspected in mild traumatic brain injuries. OBJECTIVE: The aim of this review was to compare the incidence of concussions and other head injuries in elite level football, rugby, ice hockey and American Football. METHODS: Four electronic databases (CINAHL, PsycINFO, Web of Science, PubMed) were searched...
January 18, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29346548/impact-of-the-euro-2016-football-cup-on-emergency-department-visits-related-to-alcohol-and-injury
#7
G N Noel, A R Roch, P M Michelet, L B Boiron, S G Gentile, G V Viudes
In Marseille, the 2016 EURO football cup days were independently associated with a 43% increase in alcohol-related visits in the Emergency Department (ED). Patients admitted for alcohol consumption were younger (41 vs. 46.6;P < 0.001), more often male (82.8% vs. 60.1%; P < 0.001) and more often admitted as inpatients (24.0% vs. 16.5%; P = 0.03) than those admitted for injury. Unlike reported in previous studies, injury-related visits did not increase. This could be explained by coding practice variability between EDs (alcohol or injury)...
January 15, 2018: European Journal of Public Health
https://www.readbyqxmd.com/read/29341795/the-ability-to-provide-quality-chest-compressions-over-lacrosse-shoulder-pads
#8
Richard J Boergers, Thomas G Bowman, Monica Lininger
CONTEXT:   Performance of quality cardiopulmonary resuscitation is essential for improving patient outcomes. Performing compressions over football equipment inhibits compression depth and rate, but lacrosse equipment has not yet been studied. OBJECTIVE:   To assess the effect of lacrosse shoulder pads on the ability to provide quality chest compressions on simulation manikins. DESIGN:   Crossover study. SETTING:   Simulation laboratory...
January 17, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29339532/football-headers-and-dementia-five-minutes-with-willie-stewart
#9
Anne Gulland
No abstract text is available yet for this article.
January 16, 2018: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29338643/high-school-coaches-experiences-with-openly-lesbian-gay-and-bisexual-athletes
#10
Meghan K Halbrook, Jack C Watson, Dana K Voelker
Despite reports that there has been a positive trend in perception and treatment of lesbian, gay, and bisexual (LGB) individuals in recent years (Griffin, 2012; Loftus, 2001), sport, in general, is still an uncertain, and sometimes even hostile, environment for LGB athletes (Anderson, 2005; Beylin, 2006; Waldron & Krane, 2005). To gain more information on coach understanding and perceptions of the team environment, ten high school head coaches in the United States were interviewed to explore their experiences coaching openly LGB athletes...
January 17, 2018: Journal of Homosexuality
https://www.readbyqxmd.com/read/29337834/manipulating-field-dimensions-during-small-sided-games-impacts-the-technical-and-physical-profiles-of-australian-footballers
#11
Fleay Brock, Joyce Christopher, Banyard Harry, Woods T Carl
This study investigated the effect of manipulating field dimensions on the technical and physical profiles of Australian football (AF) players during small-sided games (SSGs). A total of 40 male players (23.9 ± 3.5 y) participated in three, five-a-side SSGs; defined as 'small' (20m x 30m; 600m), 'medium' (30m x 40m; 1200m), and 'large' (40m x 50m; 2000m). Notational analyses enabled the quantification of technical skill indicators, while physical activity profiles were measured using microtechnology, resulting in 18 criterion variables...
January 4, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29337830/exploring-the-effects-of-playing-formations-on-tactical-behaviour-and-external-workload-during-football-small-sided-games
#12
Jorge Baptista, Bruno Travassos, Bruno Gonçalves, Paulo Mourão, João L Viana, Jaime Sampaio
This study aimed to identify the effects of playing formations on tactical behaviour and external workload during football small-sided games. Twenty-three semi-professional footballers integrated three different playing formations in a 7-a-side small-sided game, according to their specific player positions: team 4:3:0 (4 defenders, 3 midfielders); team 4:1:2 (4 defenders, 1 midfielder, 2 forwards); and team 0:4:3 (4 midfielders, 3 forwards). Based on players' movement trajectories, the following individual and collective tactical variables were calculated: total distance covered and distance covered while walking, jogging, running and sprinting, distance from each player to both own and opponent's team centroid (Dist CG and Dist OPP CG, respectively), individual area, team length, team width and surface area...
January 4, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29334834/mild-jugular-compression-collar-ameliorated-changes-in-brain-activation-of-working-memory-after-one-soccer-season-in-female-high-school-athletes
#13
Weihong Yuan, Jonathan Dudley, Kim Barber-Foss, Jonathan D Ellis, Staci Thomas, Ryan T Galloway, Christopher DiCesare, James Leach, Janet Adams, Thomas Maloney, Brooke Gadd, David Smith, Jeff Epstein, Dustin R Grooms, Kelsey Logan, David R Howell, Mekibib Altaye, Gregory D Myer
Recent neuroimaging studies have suggested that repetitive sub-concussive head impacts, even after only one sport season, may lead to pre- to post-season structural and functional alterations in male high school football athletes. However, data on female atheletes is limited. In the current investigation, we aimed to (1) assess the longitudinal pre- to post-season changes in fMRI of working memory and working memory performance, (2) quantify the association between the pre- to post-season change in fMRI of working memory and the exposure to head impact and working memory performance, and (3) assess whether wearing a neck collar designed to reduce intracranial slosh via mild compression of the jugular veins can ameliorate the changes in fMRI brain activation observed in the non-collar group after a full soccer season...
January 15, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29332471/fatal-exertional-heat-stroke-and-american-football-players-the-need-for-regional-heat-safety-guidelines
#14
Andrew J Grundstein, Yuri Hosokawa, Douglas J Casa
CONTEXT:   Weather-based activity modification in athletics is an important way to minimize heat illnesses. However, many commonly used heat-safety guidelines include a uniform set of heat-stress thresholds that do not account for geographic differences in acclimatization. OBJECTIVE:   To determine if heat-related fatalities among American football players occurred on days with unusually stressful weather conditions based on the local climate and to assess the need for regional heat-safety guidelines...
January 13, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29332469/balance-regularity-among-former-high-school-football-players-with-or-without-a-history-of-concussion
#15
Julianne D Schmidt, Douglas P Terry, Jihyun Ko, Karl M Newell, L Stephen Miller
CONTEXT:   Subclinical postural-control changes may persist beyond the point when athletes are considered clinically recovered postconcussion. OBJECTIVE:   To compare postural-control performance between former high school football players with or without a history of concussion using linear and nonlinear metrics. DESIGN:   Case-control study. SETTING:   Clinical research laboratory. PATIENTS OR OTHER PARTICIPANTS:   A total of 11 former high school football players (age range, 45-60 years) with 2 or more concussions and 11 age- and height-matched former high school football players without a history of concussion...
January 13, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29330199/association-between-community-socioeconomic-characteristics-and-access-to-youth-flag-football
#16
Emily Kroshus, Aly J Sonnen, Sara Pd Chrisman, Frederick P Rivara
BACKGROUND: The American Academy of Pediatrics has recommended that opportunities for non-tackling American football (e.g., flag football) be expanded, given concerns about the risks of brain trauma from tackle football. This study tested the hypothesis that flag football would be more accessible in communities characterised by higher socioeconomic status residents. METHODS: In July 2017, the locations of community-based organisations offering youth flag and tackle football for youth between the ages of 6 and 13 in two US states (Georgia and Washington) were aggregated (n=440)...
January 12, 2018: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
https://www.readbyqxmd.com/read/29325894/reference-values-for-the-creatine-kinase-response-to-professional-australian-football-match-play
#17
Luke A G Inman, Michael J Rennie, Mark L Watsford, Nathan J Gibbs, James Green, Robert W Spurrs
OBJECTIVES: Due to the importance of monitoring markers of muscle damage in high-level sport from a medical and athlete recovery perspective, this study aimed to determine the upper limits of normal (ULN) for post-match plasma creatine kinase (CK) in professional Australian footballers. Raw CK values were considered, along with intra-individual deviations from the season-mean. DESIGN: Case series. METHODS: CK was collected between 36-48h following professional Australian football match-play...
December 30, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29325759/snps-in-the-vicinity-of-p2x7r-rank-rankl-opg-and-wnt-signalling-pathways-and-their-association-with-bone-phenotypes-in-academy-footballers
#18
Ian Varley, David C Hughes, Julie P Greeves, William D Fraser, Craig Sale
CONTEXT: Genotype plays an important role in influencing bone phenotypes, such as bone mineral density, but the role of genotype in determining responses of bone to exercise has yet to be elucidated. OBJECTIVE: To determine whether 10 SNPs associated with genes in the vicinity of P2X7R, RANK/RANKL/OPG and Wnt Signalling Pathways are associated with bone phenotypes in elite academy footballers (Soccer players) and to determine whether these genotypes are associated with training induced changes in bone...
January 8, 2018: Bone
https://www.readbyqxmd.com/read/29322509/identity-fusion-predicts-endorsement-of-pro-group-behaviours-targeting-nationality-religion-or-football-in-brazilian-samples
#19
Tiago Bortolini, Martha Newson, Jean Carlos Natividade, Alexandra Vázquez, Ángel Gómez
A visceral feeling of oneness with a group - identity fusion - has proven to be a stronger predictor of pro-group behaviours than other measures of group bonding, such as group identification. However, the relationship between identity fusion, other group alignment measures and their different roles in predicting pro-group behaviour is still controversial. Here, we test whether identity fusion is related to, but different from, unidimensional and multidimensional measures of group identification. We also show that identity fusion explains further variance of the endorsement of pro-group behaviour than these alternative measures and examine the structural and discriminant properties of identity fusion and group identification measures in three different contexts: nationality, religion, and football fandom...
January 11, 2018: British Journal of Social Psychology
https://www.readbyqxmd.com/read/29321637/detection-of-american-football-head-impacts-using-biomechanical-features-and-support-vector-machine-classification
#20
Lyndia C Wu, Calvin Kuo, Jesus Loza, Mehmet Kurt, Kaveh Laksari, Livia Z Yanez, Daniel Senif, Scott C Anderson, Logan E Miller, Jillian E Urban, Joel D Stitzel, David B Camarillo
Accumulation of head impacts may contribute to acute and long-term brain trauma. Wearable sensors can measure impact exposure, yet current sensors do not have validated impact detection methods for accurate exposure monitoring. Here we demonstrate a head impact detection method that can be implemented on a wearable sensor for detecting field football head impacts. Our method incorporates a support vector machine classifier that uses biomechanical features from the time domain and frequency domain, as well as model predictions of head-neck motions...
December 21, 2017: Scientific Reports
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