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https://www.readbyqxmd.com/read/28326947/change-deafness-dual-task-performance-and-domain-specific-expertise
#1
John G Neuhoff, Katharina S Bochtler
In a change deafness manipulation using radio broadcasts of sporting events, we show that change deafness to a switch in talker increases when listeners are asked to monitor both lexical and indexical information for change. We held semantic content constant and demonstrated a change deafness rate of 85% when participants listened to the home team broadcast of a hockey game that switched midway to the away team broadcast with a different announcer. In Study 2 participants were asked to monitor either the indexical characteristics (listen for a change in announcer) or both the indexical and semantic components (listen for a change in announcer or a goal scored)...
March 22, 2017: Quarterly Journal of Experimental Psychology: QJEP
https://www.readbyqxmd.com/read/28314422/maxillofacial-and-mandibular-fractures-in-sports
#2
REVIEW
Christopher F Viozzi
Sports account for 3% to 29% of facial injuries and 10% to 42% of facial fractures. Fractures of the facial skeleton most commonly occur owing to interpersonal violence or motor vehicle crashes. Facial fractures from sporting activities has clearly decreased over time owing to better preventive measures. However, this decreasing trend is offset by the emergence of more dangerous sports activities, or "pushing the envelope" of traditional sports activities. Fractures can occur from contact between athletes, and between athletes and their surroundings...
April 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/28298064/radiographic-hip-anatomy-correlates-with-range-of-motion-and-symptoms-in-national-hockey-league-players
#3
Christopher M Larson, James R Ross, Andrew W Kuhn, Donnie Fuller, David M Rowley, M Russell Giveans, Rebecca M Stone, Asheesh Bedi
BACKGROUND: Hip disorders in athletes have been increasingly recognized. PURPOSE: To characterize radiographic hip anatomy for National Hockey League (NHL) players and correlate it with hip range of motion and hip symptoms and/or surgery. STUDY DESIGN: Cross-sectional study; Level of evidence, 3. METHODS: Fifty-nine professional hockey players (118 hips) with 1 NHL organization (mean age, 24.2 years; range, 18-36) prospectively underwent history and physician examination by 2 independent orthopaedic surgeons...
February 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28287034/exploration-of-us-men-s-professional-sport-organization-concussion-policies
#4
Graham Dean Cochrane, Matthew Owen, Joseph D Ackerson, Mathew H Hale, Sara Gould
OBJECTIVE: Concussion policies are increasingly being developed and adopted among professional sports organizations. We sought to compare the policies of the National Hockey League (NHL), the National Basketball Association (NBA), the National Football League (NFL), and Major League Baseball (MLB). Our objective was to summarize each policy and evaluate the extent to which each policy is organization-specific and/or consistent with medical guidelines. DESIGN: We visited websites for the NHL, NBA, NFL, and MLB...
March 11, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28282747/metabolic-power-and-energy-expenditure-in-an-international-men-s-hockey-tournament
#5
Ted Polglaze, Brian Dawson, Alec Buttfield, Peter Peeling
The purpose of this study was to ascertain the typical metabolic power characteristics of elite men's hockey, and whether changes occur within matches and throughout an international tournament. National team players (n = 16), divided into 3 positional groups (strikers, midfielders, defenders), wore Global Positioning System devices in 6 matches. Energetic (metabolic power, energy expenditure) and displacement (distance, speed, acceleration) variables were determined, and intensity was classified utilising speed, acceleration and metabolic power thresholds...
February 20, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28282745/overuse-wrist-injuries-in-young-athletes-what-do-sports-physicians-consider-important-signals-and-functional-limitations
#6
Laura S Kox, P Paul F M Kuijer, Jip Opperman, Gino M M J Kerkhoffs, Mario Maas, Monique H W Frings-Dresen
This study's objective was to collect items from experienced sports physicians, relating to the presence and severity of overuse wrist injuries in young athletes, for developing a measurement instrument for signals of overuse wrist injury. Seven Dutch elite sports physicians involved in guidance and treatment of young athletes in wrist-loading sports (gymnastics, tennis, judo, field hockey, volleyball and rowing) participated in a focus group. They discussed signals and limitations related to overuse wrist injuries in young athletes...
February 21, 2017: Journal of Sports Sciences
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
#7
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
#8
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/28262412/minimally-invasive-laparoscopic-and-robotic-assisted-techniques-versus-open-techniques-for-kidney-transplant-recipients-a-systematic-review
#9
Sven Wagenaar, Johanna H Nederhoed, Arjan W J Hoksbergen, H Jaap Bonjer, Willem Wisselink, Gabrielle H van Ramshorst
CONTEXT: Literature on conventional and minimally invasive operative techniques has not been systematically reviewed for kidney transplant recipients. OBJECTIVE: To systematically evaluate, summarize, and review evidence supporting operating technique and postoperative outcome for kidney transplant recipients. EVIDENCE ACQUISITION: A systematic review was conducted in PubMed-Medline, Embase, and Cochrane Library between 1966 up to September 1, 2016, according to Preferred Reporting Items for Systematic Review and Meta-analysis guidelines...
March 3, 2017: European Urology
https://www.readbyqxmd.com/read/28254746/what-strategies-can-be-used-to-effectively-reduce-the-risk-of-concussion-in-sport
#10
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
#11
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
#12
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
#13
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...
February 24, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28219013/changes-in-smoking-drinking-overweight-and-physical-inactivity-in-young-australian-women-1996-2013
#14
Jennifer R Powers, Deborah Loxton, Amy E Anderson, Annette J Dobson, Gita D Mishra, Richard Hockey, Wendy J Brown
Issue addressed: Smoking, risky drinking, overweight and obesity, and physical inactivity are health-risk factors (HRFs) that contribute significantly to morbidity worldwide. Several initiatives have been introduced over the past two decades to reduce these HRFs. This paper examines changes in the prevalence of HRFs in young women (aged 18-23 years) between 1996 and 2013, overall and within demographic groups.Methods: Data from two cohorts of the Australian Longitudinal Study on Women's Health, born in 1973-78 (n=14247) and 1989-95 (n=17012) were weighted to provide national estimates...
February 20, 2017: Health Promotion Journal of Australia
https://www.readbyqxmd.com/read/28218393/the-relative-position-of-the-human-fibula-to-the-tibia-influences-cross-sectional-properties-of-the-tibia
#15
Benjamin M Auerbach, Alice F Gooding, Colin N Shaw, Adam D Sylvester
OBJECTIVES: The fibula transmits loads within the lower limb of hominids. The few studies of variation in the cross-sectional geometric (CSG) properties of the fibula have established differences in its rigidity among groups engaged in distinct habitual loading activities. This study adds to this research by considering the relationship between CSG properties and the anatomical position of the fibula relative to the tibia among groups with differences in documented activity patterns. MATERIAL AND METHODS: We used pQCT scans taken at 50% of the length of the lower leg in 83 healthy young adult collegiate-aged individuals divided into five activity groups: runners, swimmers, cricketers, field hockey players, and non-athletes...
February 20, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28203589/prevalence-of-vitamin-d-insufficiency-in-professional-hockey-players
#16
Nima Mehran, Brian M Schulz, Brian R Neri, William J Robertson, Orr Limpisvasti
BACKGROUND: Vitamin D is a fat-soluble hormone that plays a role in bone health, muscle function, and athletic performance. Studies have shown that low levels of vitamin D can lead to slower muscle recovery and function, increased rates of stress fractures, and even poorer athletic performance. Insufficient vitamin D levels have been demonstrated in professional basketball and football players, however, there have been no studies to date reviewing vitamin D insufficiency in professional hockey players...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28199837/an-endosomal-naadp-sensitive-two-pore-ca-2-channel-regulates-er-endosome-membrane-contact-sites-to-control-growth-factor-signaling
#17
Bethan S Kilpatrick, Emily R Eden, Leanne N Hockey, Elizabeth Yates, Clare E Futter, Sandip Patel
Membrane contact sites are regions of close apposition between organelles that facilitate information transfer. Here, we reveal an essential role for Ca(2+) derived from the endo-lysosomal system in maintaining contact between endosomes and the endoplasmic reticulum (ER). Antagonizing action of the Ca(2+)-mobilizing messenger NAADP, inhibiting its target endo-lysosomal ion channel, TPC1, and buffering local Ca(2+) fluxes all clustered and enlarged late endosomes/lysosomes. We show that TPC1 localizes to ER-endosome contact sites and is required for their formation...
February 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/28195972/individual-and-combined-influence-of-ace-and-actn3-genes-on-muscle-phenotypes-in-polish-athletes
#18
Joanna Orysiak, Joanna Mazur-Różycka, Krzysztof Busko, Jan Gajewski, Beata Szczepanska, Jadwiga Malczewska-Lenczowska
The aim of this study was to examine the association between ACE and ACTN3 genes, independently or in combination, and muscle strength and power in male and female athletes. The study involved 398 young male (n=266) and female (n=132) athletes representing various sport disciplines (ice hockey, canoeing, swimming, volleyball). All were Caucasians. The following measurements were taken: height of jump and mechanical power in countermovement jump (CMJ) and spike jump (SPJ), and muscle strength of 10 muscle groups (flexors and extensors of the elbow, shoulder, hip, knee and trunk)...
February 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28188360/seasonal-modeling-of-hand-foot-and-mouth-disease-as-a-function-of-meteorological-variations-in-chongqing-china
#19
Pin Wang, Han Zhao, Fangxin You, Hailong Zhou, William B Goggins
Hand, foot, and mouth disease (HFMD) is an enterovirus-induced infectious disease, mainly affecting children under 5 years old. Outbreaks of HFMD in recent years indicate the disease interacts with both the weather and season. This study aimed to investigate the seasonal association between HFMD and weather variation in Chongqing, China. Generalized additive models and distributed lag non-linear models based on a maximum lag of 14 days, with negative binomial distribution assumed to account for overdispersion, were constructed to model the association between reporting HFMD cases from 2009 to 2014 and daily mean temperature, relative humidity, total rainfall and sun duration, adjusting for trend, season, and day of the week...
February 10, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28153354/sport-and-sample-specific-features-of-trace-elements-in-adolescent-female-field-hockey-players-and-fencers
#20
Alexey A Nabatov, Natalya A Troegubova, Ruslan R Gilmutdinov, Andrey P Sereda, Alexander S Samoilov, Natalya V Rylova
Active physical exercises and growth are associated with mineral imbalances in young athletes. The purpose of this study was to examine the impact of sport-related factors on tissue mineral status in adolescent female athletes. Saliva and hair samples were used for the analysis of immediate and more permanent tissue mineral status, respectively. Samples taken from a control non-athletic female group and two groups of female athletes (field hockey and fencing) were analyzed for seven essential minerals: calcium, chromium, iron, potassium, magnesium, selenium and zinc...
November 5, 2016: Journal of Trace Elements in Medicine and Biology
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