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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
#1
(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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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...
March 22, 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
#9
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
#10
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
https://www.readbyqxmd.com/read/28260958/sleep-apnea-risk-and-subclinical-atherosclerosis-in-early-middle-aged-retired-national-football-league-players
#11
Faith S Luyster, Reginald E Dunn, Diane S Lauderdale, Mercedes R Carnethon, Andrew M Tucker, Robert A Vogel, Andrew E Lincoln, Kristen L Knutson, Elliot J Pellman, Patrick J Strollo
PURPOSE: Limited data from former National Football League (NFL) players suggest that obstructive sleep apnea (OSA) may be highly prevalent after retirement. It remains unclear whether the high prevalence of OSA in retired players is comparable to nonathletes. This retrospective analysis compared sleep apnea (SA) risk in retired NFL players to a community cohort (CARDIA Sleep study), and examined associations between SA risk and cardiovascular risk factors, including subclinical atherosclerosis...
2017: Nature and Science of Sleep
https://www.readbyqxmd.com/read/28229128/repetitive-head-impact-exposure-and-later-life-plasma-total-tau-in-former-national-football-league-players
#12
Michael L Alosco, Yorghos Tripodis, Johnny Jarnagin, Christine M Baugh, Brett Martin, Christine E Chaisson, Nate Estochen, Linan Song, Robert C Cantu, Andreas Jeromin, Robert A Stern
INTRODUCTION: Blood protein analysis of total tau (t-tau) may be a practical screening biomarker for chronic traumatic encephalopathy (CTE), a neurodegenerative tauopathy associated with repetitive head impact (RHI) exposure. We examined plasma t-tau in symptomatic former National Football League (NFL) players compared with controls and the relationship between RHI exposure and later-life plasma t-tau. METHODS: Ninety-six former NFL players (age 40-69) and 25 same-age controls underwent blood draw to determine plasma t-tau levels...
2017: Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
https://www.readbyqxmd.com/read/28226912/development-of-a-head-impact-monitoring-intelligent-mouthguard
#13
Daniel S Hedin, Paul L Gibson, Adam J Bartsch, Sergey Samorezov, Daniel S Hedin, Paul L Gibson, Adam J Bartsch, Sergey Samorezov, Adam J Bartsch, Paul L Gibson, Sergey Samorezov, Daniel S Hedin
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
https://www.readbyqxmd.com/read/28203595/acute-gastrocnemius-soleus-complex-injuries-in-national-football-league-athletes
#14
Brian C Werner, Nicole S Belkin, Steve Kennelly, Leigh Weiss, Ronnie P Barnes, Hollis G Potter, Russell F Warren, Scott A Rodeo
BACKGROUND: Lower extremity muscle injuries are common in professional football. Although less common than hamstring or quadriceps injuries in National Football League (NFL) athletes, calf injuries occur with relative frequency and have not previously been studied. PURPOSE: To evaluate gastrocnemius-soleus complex muscle injuries over the past 13 years from a single NFL team to determine the incidence of such injuries, their imaging characteristics, and return to play after such injuries and any correlation between imaging findings and prolonged return to play...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28203589/prevalence-of-vitamin-d-insufficiency-in-professional-hockey-players
#15
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/28175468/184%C3%A2-interrelationships-among-neuroimaging-biomarkers-neuropsychological-test-data-and-symptom-reporting-in-a-cohort-of-retired-national-football-league-players
#16
Andrew W Kuhn, Scott L Zuckerman, Gary Solomon, Ira Casson
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28095108/the-relationship-between-2d-knee-valgus-angle-during-single-leg-squat-single-leg-land-and-drop-jump-screening-tests
#17
Allan Munro, Lee Herrington, Paul Comfort
CONTEXT: Anterior Cruciate Ligament (ACL) and Patellofemoral Joint (PFJ) injuries are a significant problem among female athletes. A number of screening tasks have been used in the literature to identify those at greatest risk of injury. To date, no study has examined the relationship in two-dimensional (2D) knee valgus between common screening tasks to determine whether individuals exhibit similar movement patterns across tasks. OBJECTIVE: to establish whether frontal plane projection angle (FPPA) during the single leg squat (SLS), single leg land (SLL) and drop jump (DJ) are related...
January 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28095082/effect-of-concussion-on-performance-of-national-football-league-players
#18
Nicole Reams, Rodney A Hayward, Jeffrey S Kutcher, James F Burke
PURPOSE: Lingering neurologic injury after concussion may expose athletes to increased risk if return-to-play is premature. We explored whether on-field performance after concussion is a marker of lingering neurologic injury. METHODS: Retrospective cohort study on 1,882 skill-position players who played in the National Football League (NFL) during 2007-2010. Players with concussion based on the weekly injury report, were compared to players with other head and neck injuries (controls) on measures of on-field performance using Football Outsiders' calculation of Defense-Adjusted Yards Above Replacement (DYAR): a measure of a player's contribution controlling for game context...
January 17, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28056179/descriptive-characteristics-of-concussions-in-national-football-league-games-2010-2011-to-2013-2014
#19
Michael D Clark, Breton M Asken, Stephen W Marshall, Kevin M Guskiewicz
BACKGROUND: Despite a high reported incidence rate of concussion, little is known about the on-field characteristics of injurious head impacts in National Football League (NFL) games. PURPOSE: To characterize on-field features (location, player position, and time during game) and biomechanical features (anticipation status, closing distance, impact location and type) associated with concussions in NFL games over a 4-season period (2010-2011 to 2013-2014). STUDY DESIGN: Descriptive epidemiology study...
March 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28052052/physical-characteristics-and-performance-of-japanese-top-level-american-football-players
#20
Daichi Yamashita, Masaki Asakura, Yoshihiko Ito, Shinzo Yamada, Yosuke Yamada
This study aimed to compare the physical characteristics and performance between top-level non-professional football players in Japan and National Football League (NFL) Combine invited players and between top- and middle-level players in Japan in order to determine the factors that enhance performance in international and national competitions. One hundred sixty-eight American football players (>20 years) in Japan participated in an anthropometric (height and weight) and physical (vertical jump, long jump, 40-yard dash, pro-agility shuttle, three-cone drill, and bench press repetition test) measurement program based on the NFL Combine program to compete in the selection of candidates for the Senior World Championship...
November 5, 2016: Journal of Strength and Conditioning Research
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