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https://www.readbyqxmd.com/read/28438305/cardiovascular-response-to-recreational-hockey-in-middle-aged-men
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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...
April 10, 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
#8
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
#9
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
#10
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
https://www.readbyqxmd.com/read/28360142/do-functional-movement-screen-fms-composite-scores-predict-subsequent-injury-a-systematic-review-with-meta-analysis
#11
REVIEW
Robert W Moran, Anthony G Schneiders, Jesse Mason, S John Sullivan
AIM: This paper aims to systematically review studies investigating the strength of association between FMS composite scores and subsequent risk of injury, taking into account both methodological quality and clinical and methodological diversity. DESIGN: Systematic review with meta-analysis. DATA SOURCES: A systematic search of electronic databases was conducted for the period between their inception and 3 March 2016 using PubMed, Medline, Google Scholar, Scopus, Academic Search Complete, AMED (Allied and Complementary Medicine Database), CINAHL (Cumulative Index to Nursing and Allied Health Literature), Health Source and SPORTDiscus...
March 30, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28358221/descriptive-epidemiology-of-non-time-loss-injuries-in-collegiate-and-high-school-student-athletes
#12
Zachary Y Kerr, Robert C Lynall, Karen G Roos, Sara L Dalton, Aristarque Djoko, Thomas P Dompier
CONTEXT: Research on non-time-loss (NTL) injuries, which result in less than 24 hours of restriction from participation, is limited. OBJECTIVE: To describe the epidemiology of NTL injuries among collegiate and high school student-athletes. DESIGN: Descriptive epidemiology study. SETTING: Aggregate injury and exposure data collected from a convenience sample of National College Athletic Association varsity teams and 147 high schools in 26 states...
March 30, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28355976/on-ice-return-to-hockey-progression-after-anterior-cruciate-ligament-reconstruction
#13
Jacob J Capin, William Behrns, Karen Thatcher, Amelia Arundale, Angela Hutchinson Smith, Lynn Snyder-Mackler
Synopsis Limited literature exists pertaining to rehabilitation of ice hockey players seeking to return-to-sport after anterior cruciate ligament reconstruction (ACLR). The purpose of this clinical commentary is to present a criterion-based, return-to-ice hockey progression for athletes after ACLR. First, we review pertinent literature and provide previously published guidelines on general rehabilitation after ACLR. Then, we present a four-phase, on-ice skating progression with objective criteria to initiate each phase...
March 29, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28344426/competitive-sports-participation-in-high-school-and-subsequent-substance-use-in-young-adulthood-assessing-differences-based-on-level-of-contact
#14
Philip Veliz, John Schulenberg, Megan Patrick, Deb Kloska, Sean Esteban McCabe, Nicole Zarrett
The objective of this analysis is to examine how participation in different types of competitive sports (based on level of contact) during high school is associated with substance use 1 to 4 years after the 12(th) grade. The analysis uses nationally representative samples of 12(th) graders from the Monitoring the Future Study who were followed 1 to 4 years after the 12(th) grade. The longitudinal sample consisted of 970 12(th) graders from six recent cohorts (2006-2011). The analyses found that respondents who participated in at least one competitive sport during the 12(th) grade had greater odds of binge drinking during the past two weeks (AOR = 2...
March 2017: International Review for the Sociology of Sport
https://www.readbyqxmd.com/read/28279963/the-risk-of-injury-associated-with-body-checking-among-pee-wee-ice-hockey-players-an-evaluation-of-hockey-canada-s-national-body-checking-policy-change
#15
Amanda M Black, Brent E Hagel, Luz Palacios-Derflingher, Kathryn J Schneider, Carolyn A Emery
BACKGROUND: In 2013, Hockey Canada introduced an evidence-informed policy change delaying the earliest age of introduction to body checking in ice hockey until Bantam (ages 13-14) nationwide. OBJECTIVE: To determine if the risk of injury, including concussions, changes for Pee Wee (11-12 years) ice hockey players in the season following a national policy change disallowing body checking. METHODS: In a historical cohort study, Pee Wee players were recruited from teams in all divisions of play in 2011-2012 prior to the rule change and in 2013-2014 following the change...
March 9, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28277422/neuromuscular-adaptations-to-short-term-high-intensity-interval-training-in-female-ice-hockey-players
#16
Juho-Ville Kinnunen, Harri Piitulainen, Jarmo M Piirainen
High-intensity interval training (HIIT) related neuromuscular adaptations, changes in force production and on-ice performance were investigated in female ice-hockey players during pre-season. Fourteen Finnish championship level ice hockey players (average age 22 ± 3 years) participated in 2½-week HIIT. Both spinal (H-reflex) and supraspinal (V-wave) neuromuscular responses of the soleus muscle were recorded before and after the training period. Static jump (SJ) and countermovement jump (CMJ) heights, plantar flexor maximal voluntary contraction (MVC) and rate of force development (RFD) were measured...
March 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28254746/what-strategies-can-be-used-to-effectively-reduce-the-risk-of-concussion-in-sport
#17
REVIEW
Carolyn A Emery, Amanda M Black, Ash Kolstad, German Martinez, Alberto Nettel-Aguirre, Lars Engebretsen, Karen Johnston, James Kissick, David Maddocks, Charles Tator, Mark Aubry, Jiří Dvorák, Shinji Nagahiro, Kathryn Schneider
AIM OR OBJECTIVE: To examine the effectiveness of concussion prevention strategies in reducing concussion risk in sport. DESIGN: Systematic review according to the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analysis) guidelines. DATA SOURCES: Eleven electronic databases searched and hand-search of references from selected studies. ELIGIBILITY CRITERIA FOR SELECTING STUDIES: The following were the study inclusion criteria: (1) contained original human research data; (2) investigated an outcome of concussion or head impact; (3) evaluated a concussion prevention intervention; (4) included sport participants; (5) analytical study designand (6) peer-reviewed...
March 2, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28254065/biomechzoo-an-open-source-toolbox-for-the-processing-analysis-and-visualization-of-biomechanical-movement-data
#18
Philippe C Dixon, Jonathan J Loh, Yannick Michaud-Paquette, David J Pearsall
It is common for biomechanics data sets to contain numerous dependent variables recorded over time, for many subjects, groups, and/or conditions. These data often require standard sorting, processing, and analysis operations to be performed in order to answer research questions. Visualization of these data is also crucial. This manuscript presents biomechZoo, an open-source toolbox that provides tools and graphical user interfaces to help users achieve these goals. The aims of this manuscript are to (1) introduce the main features of the toolbox, including a virtual three-dimensional environment to animate motion data (Director), a data plotting suite (Ensembler), and functions for the computation of three-dimensional lower-limb joint angles, moments, and power and (2) compare these computations to those of an existing validated system...
March 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28253059/are-injuries-more-common-with-crossfit-training-than-other-forms-of-exercise
#19
Chelsey Klimek, Christopher Ashbeck, Alexander J Brook, Chris Durall
Clinical Scenario: CrossFit is a form of exercise that incorporates rapid and successive high-intensity, ballistic movements. As CrossFit becomes an increasingly popular fitness option, it is important to determine how rates of injury compare to more traditional forms of exercise. This review was conducted to ascertain the incidence of injury with CrossFit relative to other forms of exercise. Focused Clinical Question: Are injuries more common with CrossFit training than other forms of exercise? Summary of Key Findings The literature was searched for studies that compared injury rates among individuals who participated in CrossFit fitness programs to participants in other exercise programs The search initially yielded >100 results which was narrowed down to three level 2b retrospective cohort studies that was deemed to have met inclusion/exclusion criteria In all three reviewed studies, the reported incidences of injuries associated with CrossFit training programs were comparable or lower than rates of injury in Olympic weightlifting, distance running, track and field, rugby, or gymnastics...
March 2, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28238481/attitudes-and-counseling-practices-of-pediatricians-regarding-youth-sports-participation-and-concussion-risks
#20
Michael Fishman, Eleanor Taranto, Meryl Perlman, Kyran Quinlan, Holly J Benjamin, Lainie Friedman Ross
OBJECTIVE: To examine attitudes and practices of pediatricians toward sports-related head trauma and youth participation in tackle football and ice hockey. STUDY DESIGN: A respondent-anonymous electronic survey was distributed 3 times to members of the American Academy of Pediatrics Section of Bioethics, Council on Injury, Violence, and Poison Prevention, and Council on Sports Medicine and Fitness. RESULTS: Of 791 eligible pediatricians, 227 (29%) responded...
May 2017: Journal of Pediatrics
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