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https://www.readbyqxmd.com/read/29623281/effect-of-head-impact-exposures-on-changes-in-cognitive-testing
#1
Eleni Diakogeorgiou, Theresa L Miyashita
Background: Gaining a better understanding of head impact exposures may lead to better comprehension of the possible effects of repeated impact exposures not associated with clinical concussion. Purpose: To assess the correlation between head impacts and any differences associated with cognitive testing measurements pre- and postseason. Study Design: Case-control study; Level of evidence, 3. Methods: A total of 34 National Collegiate Athletic Association Division I men's lacrosse players wore lacrosse helmets instrumented with an accelerometer during the 2014 competitive season and were tested pre- and postseason with the Sport Concussion Assessment Tool (SCAT 3) and Concussion Vital Signs (CVS) computer-based neurocognitive tests...
March 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29581141/risk-factors-for-and-prevention-of-shoulder-injuries-in-overhead-sports-a-systematic-review-with-best-evidence-synthesis
#2
REVIEW
Martin Asker, Hannah L Brooke, Markus Waldén, Ulrika Tranaeus, Fredrik Johansson, Eva Skillgate, Lena W Holm
OBJECTIVE: To assess the evidence for risk factors and prevention measures for shoulder injuries in overhead sports. DESIGN: Systematic review with best-evidence synthesis. DATA SOURCES: Medline (Ovid), PubMed (complementary search), Embase (Elsevier), Cochrane (Wiley), SPORTDiscus (Ebsco) and Web of Science Core Collection (Thomson Reuters), from 1 January 1990 to 15 May 2017. ELIGIBILITY CRITERIA FOR SELECTING STUDIES: Randomised controlled trials, cohort studies and case-control studies on risk factors or prevention measures for shoulder injuries in overhead sports...
March 26, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29567092/nucleus-accumbens-glt-1a-overexpression-reduces-glutamate-efflux-during-reinstatement-of-cocaine-seeking-but-is-not-sufficient-to-attenuate-reinstatement
#3
Carly Logan, Amber L LaCrosse, Lori A Knackstedt
Cocaine use disorder is a chronically relapsing disease without FDA-approved treatments. Using a rodent model of cocaine relapse, we and others have previously demonstrated that the beta-lactam antibiotic ceftriaxone attenuates cue- and cocaine-primed reinstatement of cocaine-seeking. Ceftriaxone restores cocaine-induced deficits in both system xc- and GLT-1 expression and function in the nucleus accumbens core (NAc). We recently demonstrated that restoration of GLT-1 expression in the NAc is necessary for ceftriaxone to attenuate reinstatement of cocaine-seeking...
March 19, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29565643/delivering-chest-compressions-and-ventilations-with-and-without-men-s-lacrosse-equipment
#4
Michael D Clark, Mikaela P Davis, Meredith A Petschauer, Erik E Swartz, Jason P Mihalik
CONTEXT:   Current management recommendations for equipment-laden athletes in sudden cardiac arrest regarding whether to remove protective sports equipment before delivering cardiopulmonary resuscitation are unclear. OBJECTIVE:   To determine the effect of men's lacrosse equipment on chest compression and ventilation quality on patient simulators. DESIGN:   Cross-sectional study. SETTING:   Controlled laboratory...
March 22, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29420059/airway-management-in-athletes-wearing-lacrosse-equipment
#5
Thomas G Bowman, Richard J Boergers, Monica R Lininger
CONTEXT: Patient ventilation volume and rate have been found to be compromised due to the inability to seal a pocket mask over the chinstrap of football helmets. The effects of supraglottic airway devices such as the King LT and of lacrosse helmets on these measures have not been studied. OBJECTIVE: To assess the effects of different airway management devices and helmet conditions on producing quality ventilations while performing cardiopulmonary resuscitation on simulation manikins...
February 8, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29414471/assessing-women-s-lacrosse-head-impacts-using-finite-element-modelling
#6
J Michio Clark, T Blaine Hoshizaki, Michael D Gilchrist
Recently studies have assessed the ability of helmets to reduce peak linear and rotational acceleration for women's lacrosse head impacts. However, such measures have had low correlation with injury. Maximum principal strain interprets loading curves which provide better injury prediction than peak linear and rotational acceleration, especially in compliant situations which create low magnitude accelerations but long impact durations. The purpose of this study was to assess head and helmet impacts in women's lacrosse using finite element modelling...
January 26, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29383374/validation-of-a-custom-instrumented-retainer-form-factor-for-measuring-linear-and-angular-head-impact-kinematics
#7
Logan Miller, Calvin Kuo, Lyndia C Wu, Jillian Urban, David Camarillo, Joel D Stitzel
Head impact exposure in popular contact sports is not well understood, especially in the youth population, despite recent advances in impact-sensing technology which has allowed widespread collection of real-time head impact data. Head kinematics have been measured in previous studies using instrumented helmets, skin patches, skull caps, and instrumented mouthpieces. A limitation of instrumented helmets is that they cannot be used in contact sports where the athletes do not wear helmets, such as soccer and women's lacrosse...
January 30, 2018: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29381423/glenohumeral-internal-rotation-deficit-and-risk-of-upper-extremity-injury-in-overhead-athletes-a-meta-analysis-and-systematic-review
#8
Robert A Keller, Anthony F De Giacomo, Julie A Neumann, Orr Limpisvasti, James E Tibone
CONTEXT: Current perception dictates that glenohumeral internal rotation deficit (GIRD) is a chronic adaptation that leads to an increased risk of pathologic conditions in the dominant shoulder or elbow of overhead athletes. OBJECTIVE: To determine whether adaptations in glenohumeral range of motion in overhead athletes lead to injuries of the upper extremity, specifically in the shoulder or elbow. DATA SOURCES: An electronic database search was performed using Medline, Embase, and SportDiscus from 1950 to 2016...
January 1, 2018: Sports Health
https://www.readbyqxmd.com/read/29369833/athletic-remodeling-in-female-college-athletes-the-morganroth-hypothesis-revisited
#9
Zoe Kooreman, Geneviève Giraldeau, Gherardo Finocchiaro, Yukari Kobayashi, Matthew Wheeler, Marco Perez, Kegan Moneghetti, David Oxborough, Keith P George, Jonathan Myers, Euan Ashley, François Haddad
BACKGROUND: There is limited data regarding ventricular remodeling in college female athletes, especially when appropriate scaling of cardiac dimensions to lean body mass (LBM) is considered. Moreover, it is not well established whether cardiac remodeling in female athletes is a balanced process with proportional increase in left ventricular (LV) mass and volume or the right and LV size. METHODS: During the preparticipation competitive screening, 72 female college athletes volunteered to undergo dual energy x-ray absorptiometry scan for quantification of LBM and comprehensive 2D echocardiography including assessment of longitudinal myocardial strain...
January 23, 2018: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29341795/the-ability-to-provide-quality-chest-compressions-over-lacrosse-shoulder-pads
#10
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/29314871/normative-functional-performance-values-in-high-school-athletes-the-functional-pre-participation-evaluation-project
#11
James A Onate, Cambrie Starkel, Daniel R Clifton, Thomas M Best, James Borchers, Ajit Chaudhari, R Dawn Comstock, Nelson Cortes, Dustin R Grooms, Jay Hertel, Timothy E Hewett, Meghan Maume Miller, Xueliang Pan, Eric Schussler, Bonnie L Van Lunen
CONTEXT:   The fourth edition of the Preparticipation Physical Evaluation recommends functional testing for the musculoskeletal portion of the examination; however, normative data across sex and grade level are limited. Establishing normative data can provide clinicians reference points with which to compare their patients, potentially aiding in the development of future injury-risk assessments and injury-mitigation programs. OBJECTIVE:   To establish normative functional performance and limb-symmetry data for high school-aged male and female athletes in the United States...
January 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29298454/risk-factors-for-contralateral-acl-injury-a-single-institution-case-control-study
#12
Todd P Pierce, Kimona Issa, Kaitlin Cassidy, Anthony Festa, Vincent K McInerney, Anthony J Scillia
Our purpose was to evaluate if there is any association between requiring contralateral anterior cruciate ligament (ACL) reconstruction and various: (1) demographics, (2) patient characteristics, and (3) surgery-specific factors. A prospectively collected database at a single institution was queried to find all patients who underwent primary ACL reconstruction between 2012 and 2014. We identified 312 primary ACL reconstruction patients with a mean age of 24 years and a mean follow-up of 3 years (range, 2-5 years)...
January 3, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29259805/video-analysis-of-high-magnitude-head-impacts-in-men-s-collegiate-lacrosse
#13
Kari Kindschi, Michael Higgins, Andrea Hillman, Gregory Penczek, Andrew Lincoln
Background/aim: Lacrosse is one of the fastest growing sports in the USA. Efforts to minimise head injuries focus on promoting safe play through player and coach education, rules enforcement and use of effective protective equipment. The study aims to determine event characteristics of high-magnitude head impacts in men's collegiate lacrosse competitions through video analysis. Methods: Seventeen Division I men's collegiate lacrosse players wore instrumented helmets that collected biomechanical measures of head impacts...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29189580/comparison-of-body-composition-variables-across-a-large-sample-of-ncaa-women-athletes-from-six-competitive-sports
#14
Jennifer B Fields, Casey J Metoyer, Jason C Casey, Michael R Esco, Andrew R Jagim, Margaret T Jones
Body composition (BC) plays a critical role in sport performance and athlete health. Body size and BC have been widely studied in men's sports, with reported changes observed over time. However, a paucity of current data exists in women athletes. The purpose of the current descriptive study was to measure and compare BC data for collegiate women athletes from six competitive sports. A total of 524 athletes from two NCAA institutions participated: basketball (BB; n = 95), gymnastics (GYM; n = 42), lacrosse (LAX; n = 81), rowing (ROW; n = 57), soccer (SOC; n = 188), and volleyball (VB; n = 61)...
November 16, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29188492/investigating-the-effects-of-subconcussion-on-functional-connectivity-using-mass-univariate-and-multivariate-approaches
#15
Bryson B Reynolds, Amanda N Stanton, Sauson Soldozy, Howard P Goodkin, Max Wintermark, T Jason Druzgal
There are concerns about the effects of subconcussive head impacts in sport, but the effects of subconcussion on brain connectivity are not well understood. We hypothesized that college football players experience changes in brain functional connectivity not found in athletes competing in lower impact sports or healthy controls. These changes may be spatially heterogeneous across participants, requiring analysis methods that go beyond mass-univariate approaches commonly used in functional MRI (fMRI). To test this hypothesis, we analyzed resting-state fMRI data from college football (n = 15), soccer (n = 12), and lacrosse players (n = 16), and controls (n = 29) collected at preseason and postseason time points...
November 29, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/29162658/hand-and-wrist-injuries-among-us-high-school-athletes-2005-06-2015-16
#16
MULTICENTER STUDY
Bernadette K Johnson, Lina Brou, Sarah K Fields, Alexandria N Erkenbeck, R Dawn Comstock
BACKGROUND: The risk of hand/wrist injuries is present across various sports. Little is known about the epidemiology of such injuries. The objective of this study was to calculate the rates of hand/wrist injuries and investigate injury patterns among high school athletes. METHODS: Athlete exposure (AE) and hand/wrist injury data were collected during 11 academic years, 2005/06 through 2015/16, from a large sample of US high schools as part of the National High School Sports-Related Injury Surveillance Study...
December 2017: Pediatrics
https://www.readbyqxmd.com/read/29125529/cross-sectional-evaluation-of-visuomotor-tracking-performance-following-subconcussive-head-impacts
#17
E B Brokaw, M S Fine, K E Kindschi, A C Santago Ii, P S Lum, M Higgins
BACKGROUND: Repeated mild traumatic brain injury (mTBI) has been associated with increased risk of degenerative neurological disorders. While the effects of mTBI and repeated injury are known, studies have only recently started examining repeated subconcussive impacts, impacts that do not result in a clinically diagnosed mTBI. In these studies, repeated subconcussive impacts have been connected to cognitive performance and brain imaging changes. OBJECTIVE: Recent research suggests that performance on a visuomotor tracking (VMT) task may help improve the identification of mTBI...
November 3, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29023277/diagnosis-and-treatment-of-slipping-rib-syndrome
#18
Cassidy M Foley, Dai Sugimoto, David P Mooney, William P Meehan, Andrea Stracciolini
OBJECTIVE: (1) To investigate the clinical presentation, diagnosis, and treatment of slipping rib syndrome in athletes; (2) to investigate the hooking maneuver for diagnosis of slipping rib syndrome. DESIGN: Retrospective chart review of 362 athletes with rib pain. SETTING: Pediatric-based sports medicine clinic between January 1, 1999, and March 1, 2014. PATIENTS: Costochondritis, Tietze, fractures, rib tip syndrome, and unclear diagnoses were excluded...
October 6, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28985697/characterization-of-prepractice-injury-prevention-exercises-of-high-school-athletic-teams
#19
James R Slauterbeck, Autumn Reilly, Pamela M Vacek, Rebecca Choquette, Timothy W Tourville, Bert Mandelbaum, Robert J Johnson, Bruce D Beynnon
BACKGROUND: Static and dynamic exercises are performed before activity to decrease injury risk and increase performance. Although evidence supports using dynamic over static stretching and performing Fédération Internationale de Football Association (FIFA) 11+ as a dynamic prepractice routine, we do not know the frequency at which these exercises are utilized in high school populations. HYPOTHESIS: We hypothesize that there is a wide variety of preparticipation exercises performed by high school athletes, and that few high school teams perform FIFA 11+ as an injury prevention program in its entirety...
November 2017: Sports Health
https://www.readbyqxmd.com/read/28969821/editorial-commentary-increased-risk-of-second-ruptures-and-poorer-outcomes-after-anterior-cruciate-ligament-injury-and-reconstruction-in-hypermobile-athletes-a-potential-synergism-of-passive-ligamentous-and-active-muscular-control-of-dynamic-knee-stability
#20
EDITORIAL
Timothy E Hewett
Graft failure rates were higher and inferior subjective outcomes were observed after anterior cruciate ligament reconstruction in patients with generalized hypermobility. This is a clear and corroborative finding that is highly consilient with other reports of similar studies from the published literature. However, controversy remains regarding other potentially predictive and confounding variables. For example, age, activity level, sex, and dynamic neuromuscular control were not considered in this interesting, important, and potentially impactful study...
October 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
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