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https://www.readbyqxmd.com/read/27900166/concussed-athletes-are-more-prone-to-injury-both-before-and-after-their-index-concussion-a-data-base-analysis-of-699-concussed-contact-sports-athletes
#1
Erik Burman, Jack Lysholm, Pashtun Shahim, Christer Malm, Yelverton Tegner
BACKGROUND: Ice hockey and football players suffering concussions might have an increased risk for injuries afterwards. We aimed to investigate if concussions predisposed athletes for subsequent sport injuries. METHODS: Patient data were obtained from a data base established at the University Hospital in Umea, Sweden. Athletes who had suffered a concussion were included if they had been aged between 15 and 35 years of age, and played ice hockey, football (soccer), floorball and handball...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27820725/training-strategies-to-improve-muscle-power-is-olympic-style-weightlifting-relevant
#2
Christian Helland, Eirik Hole, Erik Iversen, Monica Charlotte Olsson, Olivier Seynnes, Paul Andre Solberg, Gøran Paulsen
INTRODUCTION: This efficacy study investigated the effects of (1) Olympic-style weightlifting (OWL), (2) motorized strength and power training (MSPT), and (3) free weight strength and power training (FSPT) on muscle power. METHODS: Thirty-nine young athletes (20±3 yr.; ice hockey, volleyball and badminton) were randomized into the three training groups. All groups participated in 2-3 sessions/week for 8 weeks. The MSPT and FSPT groups trained using squats (two legs and single leg) with high force and high power, while the OWL group trained using clean and snatch exercises...
November 3, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27811546/carbon-monoxide-exposure-in-youth-ice-hockey
#3
Theodore Macnow, Rebekah Mannix, William P Meehan
OBJECTIVE: To examine the effect of ice resurfacer type on carboxyhemoglobin levels in youth hockey players. We hypothesized that players in arenas with electric resurfacers would have normal, stable carboxyhemoglobin levels during games, whereas those in arenas with internal combustion engine (IC) resurfacers would have an increase in carboxyhemoglobin levels. DESIGN: Prospective cohort study. SETTING: Enclosed ice arenas in the northeastern United States...
November 2, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/27791705/head-impacts-in-a-junior-rugby-league-team-measured-with-a-wireless-head-impact-sensor-an-exploratory-analysis
#4
Doug King, Patria Hume, Conor Gissane, Trevor Clark
OBJECTIVE The aim of this study was to investigate the frequency, magnitude, and distribution of head impacts sustained by players in a junior rugby league over a season of matches. METHODS The authors performed a prospective cohort analysis of impact magnitude, frequency, and distribution on data collected with instrumented XPatches worn behind the ear of players in an "under-11" junior rugby league team (players under 11 years old). RESULTS A total of 1977 impacts were recorded. Over the course of the study, players sustained an average of 116 impacts (average of 13 impacts per player per match)...
October 28, 2016: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/27789471/the-effect-of-the-zero-tolerance-for-head-contact-rule-change-on-the-risk-of-concussions-in-youth-ice-hockey-players
#5
Maciej P Krolikowski, Amanda M Black, Luz Palacios-Derflingher, Tracy A Blake, Kathryn J Schneider, Carolyn A Emery
BACKGROUND: Ice hockey is a popular winter sport in Canada. Concussions account for the greatest proportion of all injuries in youth ice hockey. In 2011, a policy change enforcing "zero tolerance for head contact" was implemented in all leagues in Canada. PURPOSE: To determine if the risk of game-related concussions and more severe concussions (ie, resulting in >10 days of time loss) and the mechanisms of a concussion differed for Pee Wee class (ages 11-12 years) and Bantam class (ages 13-14 years) players after the 2011 "zero tolerance for head contact" policy change compared with players in similar divisions before the policy change...
October 27, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27787350/epidemiology-of-snow-skiing-versus-snowboarding-related-concussions-presenting-to-the-emergency-department-in-the-united-states-from-2010-to-2014
#6
Joseph A Gil, Steven F DeFroda, Peter Kriz, Brett D Owens
OBJECTIVES: To examine the trend of concussions in skiers and snowboarders from 2010 to 2014; and to quantify and compare the incidence of concussions injuries in skiers and snowboarders who presented to emergency departments in the United States in 2014. DESIGN: Cross-sectional study of concussions in skiers and snowboarders who were evaluated in emergency departments in the United States. MAIN OUTCOMES MEASURE: Incidence of concussions. RESULTS: The trend of the annual incidence of concussions for skiers and snowboarders remained stable from 2010 to 2014...
October 25, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/27776004/the-effect-of-shoulder-pad-design-on-head-impact-severity-during-checking
#7
Shane Virani, Colin Russell, Megan L Bruschetta, Kevin Ngoc Hua, Brigitte M Potvin, David Cox, Stephen N Robinovitch
INTRODUCTION: Shoulder-to-head contact is the most common cause of concussions in ice hockey, accounting for 42% of cases in the National Hockey League (NHL). The goal of this project was to determine how shoulder pad stiffness, modified by adding foam padding over the shoulder cap of existing shoulder pads, affected head impact severity when participants delivered checks to an instrumented dummy. METHODS: Fifteen participants administered "the hardest shoulder checks they were comfortable delivering" to the head of a dummy equipped with tri-axial accelerometers and gyros mounted in its helmet...
October 21, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27768517/mild-dehydration-does-not-influence-performance-or-skeletal-muscle-metabolism-during-simulated-ice-hockey-exercise-in-men
#8
Matthew S Palmer, George Jf Heigenhauser, MyLinh Duong, Lawrence L Spriet
This study determined whether mild dehydration influenced skeletal muscle glycogen use, core temperature or performance during high-intensity, intermittent cycle-based exercise in ice hockey players vs. staying hydrated with water. Eight males (21.6 ± 0.4 yr, 183.5 ± 1.6 cm, 83.9 ± 3.7 kg, 50.2 ± 1.9 mL·kg(-1)·min(-1)) performed two trials separated by 7 days. The protocol consisted of 3 periods (P) containing 10 x 45-second cycling bouts at ~133% VO2max, followed by 135 seconds of passive rest. Subjects drank no fluid and dehydrated during the protocol (NF), or maintained body mass by drinking WATER...
October 21, 2016: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/27764034/triple-fracture-of-the-intra-articular-second-metacarpal-head-intra-articular-fourth-metacarpal-base-and-ulnar-styloid-of-an-ice-hockey-player-a-case-report
#9
Hiroyoshi Hagiwara, Takashi Ajiki, Suguru Hagiwara, Naoya Sugimoto, Katsushi Takeshita
We present a case of simultaneous ipsilateral fractures at the intra-articular second metacarpal head, intra-articular fourth metacarpal base, and ulnar styloid. These fractures were caused by the peculiar condition of a blow to the fist during an ice hockey game; the hand was struck while it was gripping a stick. The specific combination of these fractures has not been previously reported in the literature. In this incident, axial compression force was transmitted from the second and fourth metacarpal heads while skipping the third metacarpal head to the ulnar side of the wrist via the carpometacarpal joints and carpal bones...
July 27, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/27747774/does-relative-age-affect-career-length-in-north-american-professional-sports
#10
C Steingröver, N Wattie, J Baker, J Schorer
BACKGROUND: Relative age effects (RAEs) typically favour older members within a cohort; however, research suggests that younger players may experience some long-term advantages, such as longer career length. The purposes of this study were to replicate previous findings on RAEs among National Hockey League (NHL) ice hockey players, National Basketball Association (NBA) basketball players and National Football League (NFL) football players and to investigate the influence of relative age on career length in all three sports...
December 2016: Sports Medicine—Open
https://www.readbyqxmd.com/read/27747745/epidemiology-of-sports-related-concussion-in-seven-us-high-school-and-collegiate-sports
#11
Stephen W Marshall, Kevin M Guskiewicz, Viswanathan Shankar, Michael McCrea, Robert C Cantu
BACKGROUND: The epidemiology of sports-related concussion is not well-described in the literature. This paper presents a descriptive epidemiology of concussion in seven high school and collegiate sports. METHODS: We used the data from Concussion Prevention Initiative (CPI), which enrolled 8905 athletes at 210 high schools and 26 colleges in a prospective cohort study of 7 sports (football, men's and women's soccer, men's and women's lacrosse, and men's and women's ice hockey) between 1999 and 2001...
December 2015: Injury Epidemiology
https://www.readbyqxmd.com/read/27735231/examining-social-identity-and-intrateam-moral-behaviours-in-competitive-youth-ice-hockey-using-stimulated-recall
#12
Mark W Bruner, Ian D Boardley, Veronica Allan, Zach Root, Sara Buckham, Chris Forrest, Jean Côté
Social identity - identity formed through membership in groups - may play an important role in regulating intrateam moral behaviour in youth sport (Bruner, M. W., Boardley, I., & Côté, J. (2014). Social identity and prosocial and antisocial behavior in youth sport. Psychology of Sport and Exercise, 15(1), 56-64. doi:10.1016/j.psychsport.2013.09.003). The aim of this study was to qualitatively examine this potential role through stimulated recall interviews with competitive youth-ice-hockey players. Twenty-three players (Mage = 13...
October 13, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27729040/do-children-and-adolescent-ice-hockey-players-with-and-without-a-history-of-concussion-differ-in-robotic-testing-of-sensory-motor-and-cognitive-function
#13
C Elaine Little, Carolyn Emery, Stephen H Scott, Willem Meeuwisse, Luz Palacios-Derflingher, Sean P Dukelow
BACKGROUND: KINARM end point robotic testing on a range of tasks evaluating sensory, motor and cognitive function in children/adolescents with no neurologic impairment has been shown to be reliable. The objective of this study was to determine whether differences in baseline performance on multiple robotic tasks could be identified between pediatric/adolescent ice hockey players (age range 10-14) with and without a history of concussion. METHODS: Three hundred and eighty-five pediatric/adolescent ice hockey players (ages 10-14) completed robotic testing (94 with and 292 without a history of concussion)...
October 12, 2016: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/27707536/interpreting-change-on-the-scat3-in-professional-ice-hockey-players
#14
Timo Hänninen, Jari Parkkari, Markku Tuominen, Grant L Iverson, Juha Öhman, Matti Vartiainen, Teemu M Luoto
OBJECTIVES: To examine test-retest reliability of the SCAT3 for two consecutive seasons using a large sample of professional male ice hockey players, and to make recommendations for interpreting change on the test. DESIGN: A cross-sectional descriptive study. METHODS: Preseason baseline testing was administered in the beginning of the seasons 2013-2014 and 2014-2015 to 179 professional male hockey players in rink side settings. RESULTS: The test-retest reliabilities of the SCAT3 components were uniformly low...
October 1, 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/27632829/the-effectiveness-of-non-operative-rehabilitation-programs-for-athletes-diagnosed-with-osteitis-pubis
#15
Scott Cheatham, Morey J Kolber, Kathryn Kumagai Shimamura
: Clinical Scenario: The differential diagnosis of groin pain can be very challenging due to the many causative pathologies. Osteitis pubis is one pathology that is becoming more recognized in athletes who participate in sports such as soccer, ice hockey, rugby, and football.(1) Conservative non-operative treatment is often prescribed first prior to surgical intervention. Of particular interest, are the outcomes of non-operative rehabilitation programs and their effectiveness to return athletes to pre-injury levels of participation...
August 24, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27629700/prevalence-and-correlates-of-cannabis-use-among-athletes-a-systematic-review
#16
REVIEW
Maria Beatriz Brisola-Santos, João Guilherme de Mello E Gallinaro, Felipe Gil, Bernardo Sampaio-Junior, Matheus Cheibub David Marin, Arthur Guerra de Andrade, Kimber Paschall Richter, Ira David Glick, Danilo Antonio Baltieri, João Mauricio Castaldelli-Maia
BACKGROUND AND OBJECTIVES: Despite scientific evidence that marijuana impairs performance and mental health, there is evidence that some athletes are at higher risk for use. This review aims to identify possible risk factors associated with marijuana use in athletes. METHODS: A search was conducted in the PubMed database with the keywords: (marijuana OR cannabis OR tetrahydrocannabinol OR delta-9-tetrahydrocannabinol OR THC) AND (sports OR sport OR athlete OR athletes)...
October 2016: American Journal on Addictions
https://www.readbyqxmd.com/read/27577327/effect-of-the-look-up-line-on-the-gaze-and-head-orientation-of-elite-ice-hockey-players
#17
Joan N Vickers, Joe Causer, Michael Stuart, Elaine Little, Sean Dukelow, Marc LeVangie, Sandro Nigg, Gina Arsenault, Barry Morton, Matt Scott, Carolyn Emery
A "look-up line" (LUL) has been proposed for ice hockey, which is an orange 1 m (40') warning line (WL) painted on the ice at the base of the boards. The LUL purports to provide an early warning to players to keep their head up prior to and as they are being checked. We determined if players looked up more on a rink with the LUL compared to a traditional Control rink. Elite offensive (O) and defensive (D) players competed 1 vs. 1, while wearing an eye tracker that recorded their quiet eye (QE) and fixation and tracking (F-T) and an electrogoniometer that measured head angle...
August 30, 2016: European Journal of Sport Science
https://www.readbyqxmd.com/read/27574474/laboratory-and-field-based-testing-as-predictors-of-skating-performance-in-competitive-level-female-ice-hockey
#18
Tommy Henriksson, Jason D Vescovi, Anncristine Fjellman-Wiklund, Kajsa Gilenstam
OBJECTIVES: The purpose of this study was to examine whether field-based and/or laboratory-based assessments are valid tools for predicting key performance characteristics of skating in competitive-level female hockey players. DESIGN: Cross-sectional study. METHODS: Twenty-three female ice hockey players aged 15-25 years (body mass: 66.1±6.3 kg; height: 169.5±5.5 cm), with 10.6±3.2 years playing experience volunteered to participate in the study...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27548782/reliability-of-triaxial-accelerometry-for-measuring-load-in-men-s-collegiate-ice-hockey
#19
Erik H Van Iterson, John S Fitzgerald, Calvin C Dietz, Eric M Snyder, Ben J Peterson
Wearable microsensor technology incorporating triaxial accelerometry is used to quantify an index of mechanical stress associated with sport-specific movements termed PlayerLoad™. The test-retest reliability of PlayerLoad™ in the environmental-setting of ice-hockey is unknown. The primary aim of this study was to quantify the test-retest reliability of PlayerLoad™ in ice-hockey players during performance of tasks simulating game-conditions. Division I collegiate male ice-hockey players (N=8) wore Catapult Optimeye S5 monitors during repeat performance of 9 ice-hockey tasks simulating game-conditions...
August 18, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27543403/return-to-play-after-sports-hernia-surgery
#20
REVIEW
Ho-Rim Choi, Osama Elattar, Vickie D Dills, Brian Busconi
Sports hernia is a condition that causes acute/chronic pain of low abdominal, groin, or adductor area in athletes. It is considered a weakness in the rectus abdominis insertion or posterior inguinal wall of lower abdomen caused by acute or repetitive injury of the structure. It is most commonly seen in soccer, ice hockey, and martial arts players who require acute cutting, pivoting, or kicking. A variety of surgical options have been reported with successful outcome and with high rates of return to the sports in a majority of cases...
October 2016: Clinics in Sports Medicine
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