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https://www.readbyqxmd.com/read/28622025/comparison-of-concussion-rates-between-ncaa-division-i-and-division-iii-men-s-and-women-s-ice-hockey-players
#1
John M Rosene, Bryan Raksnis, Brie Silva, Tyler Woefel, Paul S Visich, Thomas P Dompier, Zachary Y Kerr
BACKGROUND: Examinations related to divisional differences in the incidence of sports-related concussions (SRC) in collegiate ice hockey are limited. PURPOSE: To compare the epidemiologic patterns of concussion in National Collegiate Athletic Association (NCAA) ice hockey by sex and division. STUDY DESIGN: Descriptive epidemiology study. METHODS: A convenience sample of men's and women's ice hockey teams in Divisions I and III provided SRC data via the NCAA Injury Surveillance Program during the 2009-2010 to 2014-2015 academic years...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28610640/multi-country-outbreak-of-salmonella-enteritidis-infection-linked-to-the-international-ice-hockey-tournament
#2
T Pärn, V Dahl, T Lienemann, J Perevosčikovs, B DE Jong
In April 2015, Finnish public health authorities alerted European Union member states of a possible multi-country Salmonella enteritidis outbreak linked to an international youth ice-hockey tournament in Latvia. The European Centre for Disease Prevention and Control (ECDC), Finnish and Latvian authorities initiated an outbreak investigation to identify the source. The investigation included a description of the outbreak, retrospective cohort study, microbiological investigation and trace-back. We identified 154 suspected and 96 confirmed cases from seven countries...
June 14, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28576114/a-prospective-cohort-study-on-symptoms-of-common-mental-disorders-among-current-and-retired-professional-ice-hockey-players
#3
Vincent Gouttebarge, Gino M M J Kerkhoffs
OBJECTIVES: Scientific knowledge about symptoms of common mental disorders in professional ice hockey is lacking. Consequently, the primary aims of the study were to (i) determine the prevalence, comorbidity and 6-month incidence of symptoms of common mental disorders (distress, anxiety/depression, sleep disturbance, adverse alcohol use, eating disorders) among current and retired professional ice hockey players and (ii) evaluate their potential relation with potential stressors (severe musculoskeletal injuries, surgeries, recent life events, career dissatisfaction)...
June 9, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28559868/individual-alpha-peak-frequency-in-ice-hockey-shooting-performance
#4
Sommer Christie, Selenia di Fronso, Maurizio Bertollo, Penny Werthner
There are several important inter- and intra-individual variations in individual alpha peak frequency (IAPF) in the cognitive domain. The rationale for the present study was to extend the research on IAPF in the cognitive domain to IAPF in the sport domain. Specifically, the purpose of the present study was twofold: (a) to explore whether baseline IAPF is related to performance in an ice hockey shooting task and (b) to explore whether a shooting task has an effect on IAPF variability. The present investigation is one of the first studies to examine links between IAPF and sport performance...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28557852/analysis-of-high-intensity-skating-in-top-class-ice-hockey-match-play-in-relation-to-training-status-and-muscle-damage
#5
Erik Lignell, Dan Fransson, Peter Krustrup, Magni Mohr
We examined high-intensity activities in a top-class ice-hockey game and the effect of training status. Male ice-hockey players (n=36) from the NHL participated. Match-analysis was performed during a game and physical capacity was assessed by a submaximal Yo-Yo Intermittent Recovery Ice-hockey test, level 1 (YYIR1-IHSUB). Venous blood samples were collected 24-h post-game to determine markers of muscle damage. Players performed 119±8 and 31±3 m·min of high-intensity and sprint-skating, respectively, during a game...
May 23, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28534433/skating-start-propulsion-three-dimensional-kinematic-analysis-of-elite-male-and-female-ice-hockey-players
#6
Jaymee R Shell, Shawn M K Robbins, Philippe C Dixon, Philippe J Renaud, René A Turcotte, Tom Wu, David J Pearsall
The forward skating start is a fundamental skill for male and female ice hockey players. However, performance differences by athlete's sex cannot be fully explained by physiological variables; hence, other factors such as skating technique warrant examination. Therefore, the purpose of this study was to evaluate the body movement kinematics of ice hockey skating starts between elite male and female ice hockey participants. Male (n = 9) and female (n = 10) elite ice hockey players performed five forward skating start accelerations...
May 23, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28508338/fluid-balance-in-team-sport-athletes-and-the-effect-of-hypohydration-on-cognitive-technical-and-physical-performance
#7
REVIEW
Ryan P Nuccio, Kelly A Barnes, James M Carter, Lindsay B Baker
Sweat losses in team sports can be significant due to repeated bursts of high-intensity activity, as well as the large body size of athletes, equipment and uniform requirements, and environmental heat stress often present during training and competition. In this paper we aimed to: (1) describe sweat losses and fluid balance changes reported in team sport athletes, (2) review the literature assessing the impact of hypohydration on cognitive, technical, and physical performance in sports-specific studies, (3) briefly review the potential mechanisms by which hypohydration may impact team sport performance, and (4) discuss considerations for future directions...
May 15, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28504915/prevalence-of-os-styloideum-in-national-hockey-league-players
#8
Harry G Greditzer, Ian D Hutchinson, Christian S Geannette, Robert N Hotchkiss, Bryan T Kelly, Hollis G Potter
BACKGROUND: Os styloideum describes an accessory carpal ossicle between the trapezoid, the capitate, and the second and third metacarpals. Injuries to this tissue have been described as part of the carpal boss syndrome. While the etiology of os styloideum remains uncertain, it may represent a physiologic response to altered loading forces in the wrist, similar to the development of cam-type deformity in the hips of ice hockey players or the Bennett lesion in the shoulders of baseball pitchers...
May 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28497321/predicting-cumulative-and-maximum-brain-strain-measures-from-hybridiii-head-kinematics-a-combined-laboratory-study-and-post-hoc-regression-analysis
#9
Brooklynn M Knowles, Christopher R Dennison
Due to growing concern on brain injury in sport, and the role that helmets could play in preventing brain injury caused by impact, biomechanics researchers and helmet certification organizations are discussing how helmet assessment methods might change to assess helmets based on impact parameters relevant to brain injury. To understand the relationship between kinematic measures and brain strain, we completed hundreds of impacts using a 50th percentile Hybrid III head-neck wearing an ice hockey helmet and input three-dimensional impact kinematics to a finite element brain model called the Simulated Injury Monitor (SIMon) (n = 267)...
May 11, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28449005/concussion-in-ice-hockey-a-cohort-study-across-29-seasons
#10
Mascha Pauelsen, Gusten Nyberg, Cecilia Tegner, Yelverton Tegner
OBJECTIVE: The aim of this study was to analyze the concussion incidence rate ratios across 29 seasons in a Swedish Hockey League team. DESIGN: Cohort study over 29 seasons within one Swedish elite series ice hockey team. PARTICIPANTS: All players who were part of one Swedish elite ice hockey team during the research period gave consent for participation in the study. INDEPENDENT VARIABLES: Exposure to top-level Swedish ice hockey...
May 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28438305/cardiovascular-response-to-recreational-hockey-in-middle-aged-men
#11
Zack A Goodman, Scott G Thomas, Robert C Wald, Jack M Goodman
The present study examined the hemodynamic response to recreational pick-up hockey relative to maximal exercise testing in middle-aged men. A total of 23 men with a mean age of 53 ± 7 years were studied. Graded exercise testing on a cycle ergometer determined maximal oxygen consumption, blood pressure (BP), and heart rate (HR). Ambulatory BP and Holter electrocardiographic monitoring was performed during one of their weekly hockey games (mean duration = 45 ± 7.2 minutes): for "On-Ice" responses (PLAY; data recorded while standing immediately after a shift; 8...
April 11, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28426377/development-of-the-sports-organization-concussion-risk-assessment-tool-socrat
#12
A Yeung, V Munjal, N Virji-Babul
OBJECTIVE: In this paper, we describe the development of a novel tool-the Sports Organization Concussion Risk Assessment Tool (SOCRAT)-to assist sport organizations in assessing the overall risk of concussion at a team level by identifying key risk factors. METHODS: We first conducted a literature review to identify risk factors of concussion using ice hockey as a model. We then developed an algorithm by combining the severity and the probability of occurrence of concussions of the identified risk factors by adapting a risk assessment tool commonly used in engineering applications...
2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28423285/the-epidemiology-of-high-ankle-sprains-in-national-collegiate-athletic-association-sports
#13
Timothy C Mauntel, Erik A Wikstrom, Karen G Roos, Aristarque Djoko, Thomas P Dompier, Zachary Y Kerr
BACKGROUND: Ankle sprains are among the most common injuries experienced by collegiate athletes. The type of ankle sprain is rarely differentiated in epidemiological studies. This differentiation is necessary, as each ankle sprain type has a unique injury mechanism and recovery period. High ankle sprains commonly result in long recovery periods. Thus, a further examination of the epidemiology of high ankle sprains is warranted. PURPOSE: To describe the epidemiology of high ankle sprains in National Collegiate Athletic Association (NCAA) sports during the 2009/2010-2014/2015 academic years...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28421914/seeing-the-forest-but-not-the-trees-heterogeneity-in-community-size-effects-in-canadian-ice-hockey-players
#14
N Wattie, J Schorer, J Baker
The community size effect (or birthplace effect) suggests that high-performance athletes are less likely to emerge from regions with population sizes that are very small or very large. However, previous research on elite Canadian ice hockey players has not considered the influence of intra-national regional variation of population distributions with respect to community size effects. Therefore, the purpose of the current study was to test the heterogeneity of the community size effect between Canadian National Hockey League draftees (2000-2014: n = 1505), from 7 provincial regions within Canada (i...
April 19, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28415899/specific-muscle-synergies-in-national-elite-female-ice-hockey-players-in-response-to-unexpected-external-perturbation
#15
Minhee Kim, Yushin Kim, Hyeyoung Kim, BumChul Yoon
This study aimed to investigate specific muscle synergies in elite ice hockey players indicating highly developed postural control strategies used to restore balance against unexpected external perturbations. Seven elite athletes (EA) on the women's national ice hockey team and 7 non-athletes (NA) participated in this study. Based on trajectories of centre of mass (COM), analysis periods were divided into an initial phase (a balance disturbance after perturbation onset) and a reversal phase (a balance recovery response), respectively...
April 18, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28413696/prevalence-of-potential-sports-associated-risk-factors-in-swiss-amyotrophic-lateral-sclerosis-patients
#16
Nina Feddermann-Demont, Astrid Junge, Konrad P Weber, Michael Weller, Jiří Dvořák, Alexander A Tarnutzer
OBJECTIVES: Amyotrophic lateral sclerosis (ALS) has been reported to occur with increased incidence amongst physically active people. The role of extrinsic risk factors as physical activity, head trauma and drug/pesticide-exposure in the pathophysiology of ALS and especially in the context of practising sports remains controversial. MATERIALS AND METHODS: We retrospectively studied exposure to extrinsic factors in 92 ALS patients in the presymptomatic stage. Metabolic equivalents (METs) were calculated and the association of physical activity, drug intake, head trauma and participation in specific sports (football [soccer], ice hockey) with age at symptom-onset was evaluated...
April 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28396361/cognitive-and-psychosocial-function-in-retired-professional-hockey-players
#17
Carrie Esopenko, Tiffany W Chow, Maria Carmela Tartaglia, Agnes Bacopulos, Priya Kumar, Malcolm A Binns, James L Kennedy, Daniel J Müller, Brian Levine
BACKGROUND AND OBJECTIVE: The relationship between repeated concussions and neurodegenerative disease has received significant attention, particularly research in postmortem samples. Our objective was to characterise retired professional ice hockey players' cognitive and psychosocial functioning in relation to concussion exposure and apolipoprotein ε4 status. METHODS: Alumni athletes (N=33, aged 34-71 years) and an age-matched sample of comparison participants (N=18) were administered measures of cognitive function and questionnaires concerning psychosocial and psychiatric functioning...
June 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28387556/long-term-cognitive-and-neuropsychiatric-consequences-of-repetitive-concussion-and-head-impact-exposure
#18
REVIEW
Thomas McAllister, Michael McCrea
Initially, interest in sport-related concussion arose from the premise that the study of athletes engaged in sports associated with high rates of concussion could provide insight into the mechanisms, phenomenology, and recovery from mild traumatic brain injury. Over the last decade, concerns have focused on the possibility that, for some athletes, repetitive concussions may raise the long-term risk for cognitive decline, neurobehavioral changes, and neurodegenerative disease. First conceptualized as a discrete event with variable recovery trajectories, concussion is now viewed by some as a trigger of neurobiological events that may influence neurobehavioral function over the course of the life span...
March 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28387553/head-impact-measurement-devices-a-systematic-review
#19
REVIEW
Kathryn L O'Connor, Steven Rowson, Stefan M Duma, Steven P Broglio
CONTEXT: With an estimated 3.8 million sport- and recreation-related concussions occurring annually, targeted prevention and diagnostic methods are needed. Biomechanical analysis of head impacts may provide quantitative information that can inform both prevention and diagnostic strategies. OBJECTIVE: To assess available head-impact devices and their clinical utility. DATA SOURCES: We performed a systematic search of the electronic database PubMed for peer-reviewed publications, using the following phrases: accelerometer and concussion, head impact telemetry, head impacts and concussion and sensor, head impacts and sensor, impact sensor and concussion, linear acceleration and concussion, rotational acceleration and concussion, and xpatch concussion...
March 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28377444/development-of-a-risk-prediction-model-among-professional-hockey-players-with-visible-signs-of-concussion
#20
Jared M Bruce, Ruben J Echemendia, Willem Meeuwisse, Michael G Hutchison, Mark Aubry, Paul Comper
BACKGROUND: Little research examines how to best identify concussed athletes. The purpose of the present study was to develop a preliminary risk decision model that uses visible signs (VS) and mechanisms of injury (MOI) to predict the likelihood of subsequent concussion diagnosis. METHODS: Coders viewed and documented VS and associated MOI for all NHL games over the course of the 2013-2014 and 2014-2015 regular seasons. After coding was completed, player concussions were identified from the NHL injury surveillance system and it was determined whether players exhibiting VS were subsequently diagnosed with concussions by club medical staff as a result of the coded event...
April 4, 2017: British Journal of Sports Medicine
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