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https://www.readbyqxmd.com/read/28510477/performance-based-outcomes-after-anterior-cruciate-ligament-reconstruction-in-professional-athletes-differ-between-sports
#1
Harry T Mai, Danielle S Chun, Andrew D Schneider, Brandon J Erickson, Ryan D Freshman, Benjamin Kester, Nikhil N Verma, Wellington K Hsu
BACKGROUND: Excellent outcomes have been reported for anterior cruciate ligament (ACL) reconstruction (ACLR) in professional athletes in a number of different sports. However, no study has directly compared these outcomes between sports. PURPOSE: To determine if differences in performance-based outcomes exist after ACLR between professional athletes of each sport. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: National Football League (NFL), National Basketball Association (NBA), National Hockey League (NHL), and Major League Baseball (MLB) athletes undergoing primary ACLR for an acute rupture were identified through an established protocol of injury reports and public archives...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28502817/concussion
#2
REVIEW
William J Mullally
Concussion has been recognized as a clinical entity for more than 1000 years. Throughout the 20(th) century it was studied extensively in boxers(1,2,3) but did not pique the interest of the general population as it is the accepted goal of the boxer to inflict such an injury on their opponent. In 2002, however, the possibility that repetitive concussions could result in chronic brain damage and a progressive neurologic disorder was raised by a postmortem evaluation of a retired player in the most popular sports institution in the United States, the National Football League(4,5)...
May 11, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28500358/injury-prediction-and-vulnerability-assessment-using-strain-and-susceptibility-measures-of-the-deep-white-matter
#3
Wei Zhao, Yunliang Cai, Zhigang Li, Songbai Ji
Reliable prediction and diagnosis of concussion is important for its effective clinical management. Previous model-based studies largely employ peak responses from a single element in a pre-selected anatomical region of interest (ROI) and utilize a single training dataset for injury prediction. A more systematic and rigorous approach is necessary to scrutinize the entire white matter (WM) ROIs as well as ROI-constrained neural tracts. To this end, we evaluated injury prediction performances of the 50 deep WM regions using predictor variables based on strains obtained from simulating the 58 reconstructed American National Football League head impacts...
May 12, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28491886/the-effect-of-the-number-of-carries-among-college-running-backs-on-future-injury-risk-and-performance-in-the-national-football-league
#4
Matthew J Kraeutler, John W Belk, Eric C McCarty
BACKGROUND: There has been speculation that running backs with an excessive number of carries in college are less likely to be successful in the National Football League (NFL). PURPOSE: To determine whether there is a correlation between number of carries by college running backs and future performance and injury risk in the NFL. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: Using the ESPN archives of National Collegiate Athletic Association and NFL running backs, the following inclusion criteria were used: running backs who played their last college season from 1999 through 2012 and who were drafted in the first 4 rounds of the NFL draft following their college career...
April 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28476362/editorial-commentary-core-muscle-injuries-or-athletic-pubalgia-finally-the-real-sausage-not-just-the-same-ole-baloney
#5
EDITORIAL
William C Meyers
In their paper "Prevalence of Surgical Repair for Athletic Pubalgia and Impact on Performance in Football Athletes Participating in the National Football League Combine," Knapik et al. cut through the baloney in the literature on "sports hernia" and apply new eyes to the impact of the results of core muscle surgery on young elite athletes trying out for the National Football League (NFL). They found that the players who had surgery did just as well as all the others in and following NFL Combines. Even the players with presumptively residual, MRI findings did well...
May 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28471243/utility-of-providing-a-concussion-definition-in-the-assessment-of-concussion-history-in-former-nfl-players
#6
Michael L Alosco, Johnny Jarnagin, Yorghos Tripodis, Brett Martin, Christine Chaisson, Christine M Baugh, Alcy Torres, Christopher J Nowinski, Robert C Cantu, Robert A Stern
OBJECTIVE: Former National Football League (NFL) players' working knowledge of concussion has not yet been evaluated, despite this population being a major clinical research target due to the association between repetitive head impacts (RHI) and long-term clinical impairments. This study examined former NFL players' understanding of the current concussion definition, and the association between number of concussions with clinical function. METHODS: 95 former NFL players (mean age = 55...
May 4, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28467122/return-to-play-and-decreased-performance-after-anterior-cruciate-ligament-reconstruction-in-national-football-league-defensive-players
#7
Connor R Read, Kyle T Aune, E Lyle Cain, Glenn S Fleisig
BACKGROUND: Anterior cruciate ligament (ACL) injuries occur commonly in football. Recent work has reported ACL reconstruction (ACLR) as one of several orthopaedic procedures with unfavorable outcomes for professional athletes. The performance impact to defensive players after surgery has not been quantified. PURPOSE: To quantify the effect of ACLR on the performance of defensive players by comparing them to a cohort of matched controls as well as to measure the effect of ACLR on athletes' career length in the National Football League (NFL)...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28451612/performance-and-return-to-sport-after-sports-hernia-surgery-in-nfl-players
#8
Robert A Jack, David C Evans, Anthony Echo, Patrick C McCulloch, David M Lintner, Kevin E Varner, Joshua D Harris
BACKGROUND: Recognition, diagnosis, and treatment of athletic pubalgia (AP), also known as sports hernia, once underrecognized and undertreated in professional football, are becoming more common. Surgery as the final treatment for sports hernia when nonsurgical treatment fails remains controversial. Given the money involved and popularity of the National Football League (NFL), it is important to understand surgical outcomes in this patient population. HYPOTHESIS: After AP surgery, players would: (1) return to sport (RTS) at a greater than 90% rate, (2) play fewer games for fewer years than matched controls, (3) have no difference in performance compared with before AP surgery, and (4) have no difference in performance versus matched controls...
April 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28451611/return-to-play-after-revision-anterior-cruciate-ligament-reconstruction-in-national-football-league-players
#9
Kelechi R Okoroha, Omar Kadri, Robert A Keller, Nathan Marshall, Zlatan Cizmic, Vasilios Moutzouros
BACKGROUND: National Football League (NFL) players who undergo anterior cruciate ligament (ACL) reconstruction have been shown to have a lower return to play (RTP) than previously expected. However, RTP in the NFL after revision ACL reconstruction (RACLR) is not well defined. PURPOSE/HYPOTHESIS: The purpose of this study is to determine the RTP of NFL players after RACLR and evaluate factors that predict RTP. Our hypothesis was that more experienced and established players would be more likely to RTP after RACLR...
April 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28437499/systemic-hypothermia-as-treatment-for-an-acute-cervical-spinal-cord-injury-in-a-professional-football-player-9-year-follow-up
#10
Andrew Cappuccino, Leslie J Bisson, Bud Carpenter, Ken Snyder, Helen Cappuccino
The following report provides clinical follow-up on a National Football League player who sustained a complete cervical spinal cord injury (SCI) while tackling an opposing player in 2007. He received prompt medical and surgical care based on then-current recommendations, but was also treated with systemic hypothermia soon after his injury, which was controversial at the time. Since then, smaller randomized human studies have described the tolerable safety profile, efficacy, and potential benefits of this intervention in acute SCI in humans...
March 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28415070/game-times-and-higher-winning-percentages-of-west-coast-teams-of-the-national-football-league-correspond-with-reduced-prevalence-of-regular-season-injury-erratum
#11
(no author information available yet)
No abstract text is available yet for this article.
May 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28350487/epidemiology-and-outcomes-of-lisfranc-injuries-identified-at-the-national-football-league-scouting-combine
#12
Kevin J McHale, Bryan G Vopat, Brendin R Beaulieu-Jones, George Sanchez, James M Whalen, Lucas S McDonald, Christopher W DiGiovanni, George H Theodore, Matthew T Provencher
BACKGROUND: Lisfranc injuries are challenging to treat and may have a detrimental effect on athletic performance. PURPOSE: (1) Determine the epidemiological characteristics of Lisfranc injuries at the annual National Football League (NFL) Scouting Combine, (2) define player positions at risk for these injuries, and (3) evaluate the impact that these injuries and radiographic findings have on NFL draft position and performance. STUDY DESIGN: Cohort study; Level of evidence, 3...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28347219/the-national-football-league-225-bench-press-test-and-the-size-weight-illusion
#13
Paul E Luebbers, Gavin Buckingham, Michael S Butler
The purpose of this study was to test reports that size and arrangement manipulations of weight plates (i.e., inducing a size-weight illusion [SWI]) would have an effect on athletic weightlifting performance. The participants were 72 experienced, weight-trained collegiate American football players. Across 3 weeks, each athlete performed three different repetitions-to-fatigue bench press tests (NFL-225, SWI-225, and SWI-215). A multiple regression revealed a positive association between participants' strength relative to the test load and repetitions for NFL-225 and SWI-215, but no association with SWI-225...
January 1, 2017: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/28335617/operative-treatment-of-traumatic-hallux-valgus-in-elite-athletes
#14
D Jeff Covell, Craig R Lareau, Robert B Anderson
BACKGROUND: Traumatic hallux valgus is an increasingly common injury in the athletic population and represents a unique variant of turf toe. Failure to appropriately recognize and treat these injuries can lead to continued pain, decreased performance, progressive deformities, and ultimately degeneration of the hallux metatarsophalangeal joint. Limited literature currently exists to assist in the diagnosis, management, and operative treatment. METHODS: Nineteen patients were reviewed in this series, including 12 National Football League, 6 college, and 1 high school player who was a college prospect...
March 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28327371/longitudinal-changes-in-linguistic-complexity-among-professional-football-players
#15
Visar Berisha, Shuai Wang, Amy LaCross, Julie Liss, Pamela Garcia-Filion
Reductions in spoken language complexity have been associated with the onset of various neurological disorders. The objective of this study is to analyze whether similar trends are found in professional football players who are at risk for chronic traumatic encephalopathy. We compare changes in linguistic complexity (as indexed by the type-to-token ratio and lexical density) measured from the interview transcripts of players in the National Football League (NFL) to those measured from interview transcripts of coaches and/or front-office NFL executives who have never played professional football...
March 16, 2017: Brain and Language
https://www.readbyqxmd.com/read/28321427/the-effect-of-the-number-of-carries-on-injury-risk-and-subsequent-season-s-performance-among-running-backs-in-the-national-football-league
#16
Matthew J Kraeutler, John W Belk, Eric C McCarty
BACKGROUND: In recent years, several studies have correlated pitch count with an increased risk for injury among baseball pitchers. However, no studies have attempted to draw a similar conclusion based on number of carries by running backs (RBs) in football. PURPOSE: To determine whether there is a correlation between number of carries by RBs in the National Football League (NFL) and risk of injury or worsened performance in the subsequent season. STUDY DESIGN: Cohort study; Level of evidence, 3...
February 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28319792/safety-regulation-in-professional-football-empirical-evidence-of-intended-and-unintended-consequences
#17
Andrew Hanson, Nicholas A Jolly, Jeremy Peterson
In response to increasing public awareness and negative long-term health effects of concussions, the National Football League implemented the "Crown-of-the-Helmet Rule" (CHR). The CHR imposes penalties on players who initiate contact using the top of the helmet. This paper examines the intended effect of this policy and its potential for unintended consequences. We find evidence supporting the intended effect of the policy- a reduction in weekly concussion reports among defensive players by as much as 32% (34% for all head and neck injuries), but also evidence of an increase in weekly lower extremity injury reports for offensive players by as much as 34%...
January 29, 2017: Journal of Health Economics
https://www.readbyqxmd.com/read/28287034/exploration-of-us-men-s-professional-sport-organization-concussion-policies
#18
Graham Dean Cochrane, Matthew Owen, Joseph D Ackerson, Matthew H Hale, Sara Gould
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. We visited websites for the NHL, NBA, NFL, and MLB. We searched media articles reporting concussion policy...
May 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28284723/prevalence-of-surgical-repair-for-athletic-pubalgia-and-impact-on-performance-in-football-athletes-participating-in-the-national-football-league-combine
#19
Derrick M Knapik, Jeremy J Gebhart, Shane J Nho, Joseph E Tanenbaum, James E Voos, Michael J Salata
PURPOSE: To examine the prevalence and impact of athletic pubalgia (AP) surgery in elite American football athletes participating in the National Football League (NFL) Combine. METHODS: Results from 1,311 athletes participating in the Combine from 2012 to 2015 were evaluated. Athletes with a history of AP repair were identified using the NFL Combine Database. Athlete history and available imaging was reviewed. NFL performance based on draft status, games played, games started, and current status in the NFL was gathered using publicly available databases...
March 8, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28268724/development-of-a-head-impact-monitoring-intelligent-mouthguard
#20
Daniel S Hedin, Paul L Gibson, Adam J Bartsch, Sergey Samorezov
The authors present the development and laboratory system-level testing of an impact monitoring "Intelligent Mouthguard" intended to help with identification of potentially concussive head impacts and cumulative head impact dosage. The goal of Intelligent Mouthguard is to provide an indicator of potential concussion risk, and help caregiver identify athletes needing sideline concussion protocol testing. Intelligent Mouthguard may also help identify individuals who are at higher risk based on historical dosage...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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