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NFL athletic training

David P Hedlund
The purpose of this study is to examine players' physical and performance measures taken at the NFL Scouting Combine and compare these to their future performance in the NFL. From 2002-2016, three types of player data (N=5,506) were collected from secondary data sources. Results players earned on various NFL Scouting Combine drills and measurements (e.g., height, weight, 40-yard dash time, vertical jump, bench press repetitions, shuttle run time, and 3-cone drill time), the position players play on the field (e...
September 11, 2017: Journal of Strength and Conditioning Research
Kenneth P Clark, Randall H Rieger, Richard F Bruno, David J Stearne
This investigation analyzed the sprint velocity profiles for athletes who completed the 40-yard (36.6m) dash at the 2016 NFL Combine. The purpose was to evaluate the relationship between maximum velocity and sprint performance, and to compare acceleration patterns for fast and slow athletes. Using freely available online sources, data were collected for body mass and sprint performance (36.6m time with split intervals at 9.1 and 18.3m). For each athlete, split times were utilized to generate modeled curves of distance vs...
June 22, 2017: Journal of Strength and Conditioning Research
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]) effect athletic weightlifting performance. The participants were 72 experienced, weight-trained collegiate American football players. Across three 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...
June 2017: Perceptual and Motor Skills
E Randy Eichner, Brock Schnebel, Scott Anderson, James R Clugston, Matthew Heath Hale, Charlie Michaudet, John M Small
We report six cases of a novel syndrome of acute, exertional low back pain in football players, five in college and one in the National Football League. All six are African Americans with sickle cell trait (SCT). The acute low back pain is severe and can be disabling, and the condition can be confused with muscle strain, discogenic pain, stress fracture, or other problems in athletes. Our evidence shows that this syndrome is caused by lumbar paraspinal myonecrosis (LPSMN), which likely often contributes to the lumbar paraspinal compartment syndrome...
April 2017: Medicine and Science in Sports and Exercise
Corey A Peacock, Darren D Krein, Jose Antonio, Gabriel J Sanders, Tobin A Silver, Megan Colas
Many strength and conditioning professionals have included the use of foam rolling devices within a warm-up routine prior to both training and competition. Multiple studies have investigated foam rolling in regards to performance, flexibility, and rehabilitation; however, additional research is necessary in supporting the topic. Furthermore, as multiple foam rolling progressions exist, researching differences that may result from each is required. To investigate differences in foam rolling progressions, 16 athletically trained males underwent a 2-condition within-subjects protocol comparing the differences of 2 common foam rolling progressions in regards to performance testing...
August 2015: Journal of Strength and Conditioning Research
Alfred A Mansour, James W Genuario, Jason P Young, Todd P Murphy, Martin Boublik, Theodore F Schlegel
Although hamstring strains are common among professional football players, proximal tendon avulsions are relatively rare. Surgical repair is recommended, but there is no evidence on professional football players return to play (RTP). We hypothesized that surgical reattachment of complete proximal hamstring ruptures in these athletes would enable successful RTP. Ten proximal hamstring avulsions were identified in 10 National Football League (NFL) players between 1990 and 2008. Participating team physicians retrospectively reviewed each player's training room and clinical records, operative notes, and imaging studies...
June 2013: American Journal of Orthopedics
Martin Boublik, Theodore F Schlegel, Ryan C Koonce, James W Genuario, Jason D Kinkartz
BACKGROUND: Distal quadriceps tendon tears are uncommon injuries that typically occur in patients older than 40 years of age, and they have a guarded prognosis. Predisposing factors, prodromal findings, mechanisms of injury, treatment guidelines, and recovery expectations are not well described in high-level athletes. HYPOTHESIS: Professional American football players with an isolated tear of the quadriceps tendon treated with timely surgical repair will return to their sport...
August 2013: American Journal of Sports Medicine
J Bryan Mann, Josh D Stoner, Jerry L Mayhew
The National Football League (NFL)-225 test has gained popularity for assessing muscular performance among college football programs. Although the test is a measure of absolute muscular endurance, it was reputed to be highly correlated with maximum muscular strength. The purposes of this study were to assess the predictive potential of the NFL-225 test for estimating 1 repetition maximum (1RM) bench press performance in National Collegiate Athletic Association Division I college football players and to evaluate the accuracy of previous NFL-225 prediction equations...
October 2012: Journal of Strength and Conditioning Research
Robby S Sikka, Gary B Fetzer, Eric Sugarman, Rick W Wright, Hollis Fritts, Joel L Boyd, David A Fischer
BACKGROUND: Syndesmotic sprains may be a significant source of missed playing time, especially in football players. Advanced imaging is frequently used to confirm the clinical diagnosis. Our purpose was to evaluate the prognostic ability of MRI in predicting time of disability. METHODS: Training room records from 1993 to 2007 for three National Football League teams were reviewed. Forty-three players were diagnosed with syndesmotic ankle injuries and underwent radiographs and magnetic resonance imaging...
May 2012: Foot & Ankle International
Patrick O Riley, Richard W Kent, Tracy A Dierks, W Brent Lievers, Rebecca E Frimenko, Jeff R Crandall
The purpose of this study was to describe stance foot and ankle kinematics and the associated ground reaction forces at the upper end of human performance in professional football players during commonly performed football-specific tasks. Nine participants were recruited from the spring training squad of a professional football team. In a motion analysis laboratory setting, participants performed three activities used at the NFL Scouting Combine to assess player speed and agility: the 3-cone drill, the shuttle run, and the standing high jump...
September 2013: Gait & Posture
Martin Boublik, Theodore Schlegel, Ryan Koonce, James Genuario, Charles Lind, David Hamming
BACKGROUND: Although knee injuries are common among professional football players, ruptures of the patellar tendon are relatively rare. Predisposing factors, mechanisms of injury, treatment guidelines, and recovery expectations are not well established in high-level athletes. HYPOTHESIS: Professional football players with isolated rupture of the patellar tendon treated with timely surgical repair will return to their sport. STUDY DESIGN: Case series; Level of evidence, 4...
November 2011: American Journal of Sports Medicine
Daniel W Robbins
The objective of this study was to investigate the predictive ability of National Football League (NFL) combine physical test data to predict draft order over the years 2005-2009. The NFL combine provides a setting in which NFL personnel can evaluate top draft prospects. The predictive ability of combine data in its raw form and when normalized in both a ratio and allometric manner was examined for 17 positions. Data from 8 combine physical performance tests were correlated with draft order to determine the direction and strength of relationship between the various combine measures and draft order...
November 2010: Journal of Strength and Conditioning Research
Thomas B Rice, Reginald E Dunn, Andrew E Lincoln, Andrew M Tucker, Robert A Vogel, Robert A Heyer, Anthony P Yates, Peter W F Wilson, Elliot J Pellmen, Thomas W Allen, Anne B Newman, Patrick J Strollo
STUDY OBJECTIVES: Prior studies have suggested that the prevalence of sleep disordered breathing (SDB) among players in the National Football League (NFL) is disproportionately high. SDB can increase cardiovascular disease risk and is correlated with hypertension. NFL players have a higher prevalence of hypertension, and we sought to determine the prevalence of SDB among players the NFL and the associations of SDB with anthropometric measures and cardiovascular risk factors. DESIGN: Cross-sectional cohort study...
June 2010: Sleep
Thomas W Allen, Robert A Vogel, Andrew E Lincoln, Reginald E Dunn, Andrew M Tucker
AIMS: We characterized the size of active National Football League (NFL) players by multiple criteria and analyzed their relation to traditional cardiovascular disease (CVD) risk factors with the objective of further clarifying the occurrence of cardiovascular risk factors in different player positions. METHODS: This cross-sectional study was conducted in professional athletic training facilities. The participants were 504 active veteran players from a convenience sample of 12 NFL teams, grouped as interior linemen (IL) or all others (AO)...
April 2010: Physician and Sportsmedicine
Sandra Fowkes Godek, Arthur R Bartolozzi, Chris Peduzzi, Scott Heinerichs, Eugene Garvin, Eric Sugarman, Richard Burkholder
CONTEXT: Considerable controversy regarding fluid replacement during exercise currently exists. OBJECTIVE: To compare fluid turnover between National Football League (NFL) players who have constant fluid access and collegiate football players who replace fluids during water breaks in practices. DESIGN: Observational study. SETTING: Respective preseason training camps of 1 National Collegiate Athletic Association Division II (DII) football team and 1 NFL football team...
March 2010: Journal of Athletic Training
Andrew M Tucker, Robert A Vogel, Andrew E Lincoln, Reginald E Dunn, Debra C Ahrensfield, Thomas W Allen, Lon W Castle, Robert A Heyer, Elliot J Pellman, Patrick J Strollo, Peter W F Wilson, Anthony P Yates
CONTEXT: Concern exists about the cardiovascular health implications of large size among professional football players and those players who aspire to professional status. OBJECTIVES: To assess cardiovascular disease (CVD) risk factors in active National Football League (NFL) players and to compare these findings with data from the Coronary Artery Risk Development in Young Adults (CARDIA) study. DESIGN, SETTING, AND PARTICIPANTS: A cross-sectional study of 504 active, veteran football players from a convenience sample of 12 NFL teams at professional athletic training facilities between April and July 2007...
May 27, 2009: JAMA: the Journal of the American Medical Association
Robert H Brophy, Seth C Gamradt, Scott J Ellis, Ronnie P Barnes, Scott A Rodeo, Russell F Warren, Howard Hillstrom
BACKGROUND: The relationship between turf toe and plantar foot pressures has not been extensively studied. Two hypotheses were tested in a cohort of professional American football players: first, that a history of turf toe is associated with increased peak hallucal and first metatarsophalangeal (MTP) plantar pressures; second, that decreased range of motion (ROM) of the first MTP correlates with increased peak hallucal and first MTP plantar pressures. MATERIALS AND METHODS: Forty-four athletes from one National Football League (NFL) team were screened for a history of turf toe during preseason training...
May 2009: Foot & Ankle International
S Patrick Sierer, Claudio L Battaglini, Jason P Mihalik, Edgar W Shields, Nathan T Tomasini
The purpose of this study was to examine performance differences between drafted and nondrafted athletes (N = 321) during the 2004 and 2005 National Football League (NFL) Combines. We categorized players into one of 3 groups: Skill, Big skill, and Linemen. Skill players (SP) consisted of wide receivers, cornerbacks, free safeties, strong safeties, and running backs. Big skill players (BSP) included fullbacks, linebackers, tight ends, and defensive ends. Linemen (LM) consisted of centers, offensive guards, offensive tackles, and defensive tackles...
January 2008: Journal of Strength and Conditioning Research
W P Ebben, D O Blackard
This article describes the results of a survey of the practices of National Football League strength and conditioning (NFL S&C) coaches. The response rate was 87% (26 of 30). This survey examines survey participant (a) background information, (b) physical testing, (c) flexibility development, (d) speed development, (e) plyometrics, (f) strength/power development, (g) unique aspects, and (h) comments. Results reveal that 18 of 26 (69%) NFL S&C coaches follow a periodization model (PM). Of these coaches, 14 of 16 (88%) who responded to the question reported their athletes used Olympic-style lifts, and 17 of 18 coaches (94%) employed plyometric exercises...
February 2001: Journal of Strength and Conditioning Research
P A Derchak, J M Stager, D A Tanner, R F Chapman
INTRODUCTION: A significant number of highly trained endurance runners have been observed to display an inadequate hyperventilatory response to intense exercise. Two potential mechanisms include low ventilatory responsiveness to hypoxia and ventilatory limitation as a result of maximum expiratory flow rates being achieved. PURPOSE: To test the hypothesis that expiratory flow limitation can complicate determination of ventilatory responsiveness during exercise the following study was performed...
November 2000: Medicine and Science in Sports and Exercise
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