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professional football

Cristian V Francavilla, Francesco Sessa, Monica Salerno, Giuseppe D Albano, Ines Villano, Giovanni Messina, Fabio Triolo, Lorenzo Todaro, Maria Ruberto, Gabriella Marsala, Orazio Cascio, Maria P Mollica, Vincenzo Monda, Giuseppe Cibelli, Anna Valenzano, Christian Zammit, Marcellino Monda, Antonietta Messina
Background: After long-term intensive training, considerable morphological and functional heart changes occur in professional athletes. Such changes arise progressively and regress upon interruption of the physical activity. Morphological and functional alterations on heart are known as "Athlete's heart" condition. Objective: This study aims to compare echocardiographic parameters in two different groups of professional athletes. Furthermore, a prospective study is performed analyzing the echocardiographic changes occurring in 12 professional players in 3 years of follow-up...
2018: Frontiers in Physiology
Gary Solomon
My objectives are to review: 1) a brief history of sport-related concussion (SRC) and chronic traumatic encephalopathy (CTE), 2) the evolution of CTE in American professional football, 3) the data regarding SRC/CTE as they relate to depression and suicide, 4) the data on the neurocognitive effects of subconcussion/repetitive head trauma (with emphases on heading the ball in soccer and early exposure to football), 5) the evidence related to SRC and neurodegenerative diseases, 6) the published studies of CTE, 7) the NINDS neuropathological criteria for CTE, 8) public beliefs about SRC/CTE, and 9) the scientific questions regarding CTE...
March 13, 2018: Developmental Neuropsychology
Vincent Gouttebarge, Haruhito Aoki, Gino M M J Kerkhoffs
OBJECTIVE: The objective of the current study was to explore whether retired professional footballers suffering from lower extremity OA have a lower health-related quality of life than those without OA or current professional footballers. METHODS: An observational study based on a cross-sectional design by means of questionnaires was conducted. Participants were retired and current professional footballers recruited by the World Players' Union (FIFPro). Information about lower extremity OA (clinically diagnosed by a medical professional) was gathered, while health-related quality of life (Global Physical Health and Global Mental Health scores) was assessed through a validated scale...
March 12, 2018: Physician and Sportsmedicine
Mark McKenna, Daryl Cowan, David Stevenson, Julien Baker
Performance analysis is extensively used in sport, but its pedagogical application is little understood. Given its expanding role across football, this study explored the experiences of neophyte performance analysts. Experiences of six analysis interns, across three professional football clubs, were investigated as multiple cases of new match analysis. Each intern was interviewed after their first season, with archival data providing background information. Four themes emerged from qualitative analysis: (1) "building of relationships" was important, along with trust and role clarity; (2) "establishing an analysis system" was difficult due to tacit coach knowledge, but analysis was established; (3) the quality of the "feedback process" hinged on coaching styles, with balance of feedback and athlete engagement considered essential; (4) "establishing effect" was complex with no statistical effects reported; yet enhanced relationships, role clarity, and improved performances were reported...
March 5, 2018: Research in Sports Medicine
Paula C Charlton, Benjamin Raysmith, Martin Wollin, Simon Rice, Craig Purdam, Ross A Clark, Michael K Drew
OBJECTIVES: To evaluate strength and flexibility measures pre- and post- Australian Football (AF) competition to determine their potential utility as secondary prevention measures. DESIGN: Cohort study. SETTING: Semi-professional AF club. PARTICIPANTS: Ten male AF athletes (mean ± SD; age, 21.3 ± 2.2 years; height, 186.1 ± 6.3 cm; weight, 83.5 ± 8.6 kg). MAIN OUTCOME MEASURES: Maximal unilateral isometric knee flexion strength performed in 45 degrees of hip flexion and 30 degrees of knee flexion, flexibility measures of hip and knee extension and ankle dorsiflexion...
February 2, 2018: Physical Therapy in Sport
Matthew J Matava
Although the epidemiology and risk factors for chondral injuries of the knee among prospective National Football League athletes have been reported, the effect of previously untreated chondral injuries on players' early National Football League career performance has been unclear to this point. Despite not requiring surgical treatment, players with these untreated injuries were drafted later, played and started fewer games, and exhibited lower fantasy scores-a surrogate marker for performance. Untreated chondral injuries of the knee can have potentially deleterious effects on the playing careers (and financial prospects) of professional American football players...
March 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
Malia N Blue, Eric T Trexler, Katie R Hirsch, Abbie E Smith-Ryan
BACKGROUND: Body composition (%BF), omega-3 and vitamin D (VitD) status are important components of an athlete's individual physiological profile, as each measure has potential to influence performance, inflammation, and injury recovery. The purpose of this study was to characterize %BF, omega-3, and VitD in a subset of professional football athletes. Secondary analyses investigated changes in %BF, omega-3, and VitD, throughout a competitive season, and evaluated the relationship between physiological variables, race, and injury prevalence...
March 1, 2018: Journal of Sports Medicine and Physical Fitness
Edward S Chang, Meghan E Bishop, Christopher C Dodson, Peter F Deluca, Michael G Ciccotti, Steven B Cohen, Matthew L Ramsey
Background: Although much literature exists regarding the treatment and management of elbow dislocations in the general population, little information is available regarding management in the athletic population. Furthermore, no literature is available regarding the postinjury treatment and timing of return to play in the contact or professional athlete. Purpose: To review the clinical course of elbow dislocations in professional football players and determine the timing of return to full participation...
February 2018: Orthopaedic Journal of Sports Medicine
Brianna D McKay, Amelia A Miramonti, Zachary M Gillen, Todd J Leutzinger, Alegra I Mendez, Nathaniel D M Jenkins, Joel T Cramer
The purpose of the present report was to provide test- and position-specific normative reference values for combine test results based on a large, nationally-representative sample of high school-aged American football players in their freshman, sophomore, and junior classes. Cross-sectional anthropometric and performance data were obtained from 12 different high school American football recruiting combines between March 7, 2015 and January 9, 2016 across the United States. Subjects included a sample (n=7,478) of high school-aged American football athletes in their junior (n=3,779), sophomore (n=2,514), and freshman (n=1,185) classes...
February 27, 2018: Journal of Strength and Conditioning Research
Brian E Pike, Gavin J Kilduff, Adam D Galinsky
Research has established that competing head to head against a rival boosts motivation and performance. The present research investigated whether rivalry can affect performance over time and in contests without rivals. We examined the long-term effects of rivalry through archival analyses of postseason performance in multiple high-stakes sports contexts: National Collegiate Athletic Association (NCAA) Division I Men's Basketball and the major U.S. professional sports leagues: National Basketball Association (NBA), National Football League (NFL), Major League Baseball (MLB), and National Hockey League (NHL)...
February 1, 2018: Psychological Science
Craig Donnachie, Sally Wyke, Kate Hunt
BACKGROUND: Receiving information about one's weight, Body Mass Index (BMI) and other indicators of health risk may prompt behaviour change. This study investigated men's reactions to receiving information on indicators of health risk prior to taking part in a men-only weight management programme, Football Fans in Training (FFIT). It also investigated the extent to which the information was reported as influencing lifestyle change and having adverse consequences. METHODS: We undertook a qualitative, semi-structured, telephone interview study with 28 men who took part in FFIT...
February 27, 2018: BMC Public Health
Courtney Sullivan, Thomas Kempton, Patrick Ward, Aaron J Coutts
This study examined the association between individual and team characteristics and the probability of being offered a second contract in professional Australian Football. Contract status was obtained from the AFL for players who were drafted in the AFL National Draft between 1999 and 2013 (n = 999). Individual player characteristics were retrieved from the AFL while variables relating to performance were accessed online via Champion Data®. A binary logistic regression examined the influence of each characteristic on the probability of a professional Australian Football player receiving a second contract...
February 27, 2018: Journal of Sports Sciences
Colin W Fuller
The loss of players through injury is known to affect team performance in many sports; it is important therefore for professional teams to be able to quantify the likely injury-burden that will be encountered throughout a season. A kinetic model, based on the rates at which match and training injuries are sustained and resolved, a team's squad size and the 2017/18 season fixture schedule for teams competing in the English Premier League, is used to produce daily forecasts of injury-burden experienced by a typical team...
February 23, 2018: Scandinavian Journal of Medicine & Science in Sports
John B Schrock, Trevor J Carver, Matthew J Kraeutler, Eric C McCarty
BACKGROUND: Previous studies have analyzed the treatment patterns used to manage injuries in National Football League (NFL) players. HYPOTHESIS: Treatment patterns for injuries in NFL players will have changed over the study period. STUDY DESIGN: Descriptive epidemiology study. LEVEL OF EVIDENCE: Level 5. METHODS: The head orthopaedic team physicians for all 32 NFL teams were asked to complete a survey containing questions regarding experience as team physician, medical coverage of the team, and treatment preferences for some of the most common injuries occurring in football players...
February 1, 2018: Sports Health
Samuel Ryan, Aaron J Coutts, Joel Hocking, Patrick A Dillon, Anthony Whitty, Thomas Kempton
OBJECTIVES: To examine the collective influence of a range of physical preparation elements on selected performance measures during Australian football match-play. DESIGN: Prospective, longitudinal. METHODS: Data were collected from 34 professional Australian football players from the same club during the 2016 AFL competition season. Match activity profiles, acute (7-day) and chronic (3-week) training load were collected via GPS devices. Training response was measured by well-being questionnaires completed prior to main training session each week...
February 21, 2018: International Journal of Sports Physiology and Performance
Jeffrey T Johnston, Bert R Mandelbaum, David Schub, Scott A Rodeo, Matthew J Matava, Holly J Silvers, Brian J Cole, Neil S ElAttrache, Tim R McAdams, Robert H Brophy
BACKGROUND: Anterior cruciate ligament (ACL) injuries are prevalent in contact sports that feature cutting and pivoting, such as American football. These injuries typically require surgical treatment, can result in significant missed time from competition, and may have deleterious long-term effects on an athlete's playing career and health. While the majority of ACL tears in other sports have been shown to occur from a noncontact mechanism, it stands to reason that a significant number of ACL tears in American football would occur after contact, given the nature of the sport...
February 1, 2018: American Journal of Sports Medicine
Zachary M Gillen, Amelia A Miramonti, Brianna D McKay, Todd J Leutzinger, Joel T Cramer
Athletic performance combine tests are used by high school, collegiate, and professional American football programs to evaluate performance; however, limited evidence is available on performance combine test results in youth athletes. The purposes of this study were to report test-retest reliability statistics and evaluate concurrent validity among combine performance tests in 6-15-year olds male athletes. Sixty-nine young male athletes (mean ± SD; age = 10.9 ± 2.1-years, height = 154.4 ± 13.6cm, body mass = 46...
February 15, 2018: Journal of Strength and Conditioning Research
Christopher L McCrum, Justin W Arner, Bryson Lesniak, James P Bradley
Anterior ankle impingement is a frequent cause of pain and disability in athletes with impingement of soft-tissue or osseous structures along the anterior margin of the tibiotalar joint during dorsiflexion. In this study, we hypothesized that arthroscopic decompression of anterior ankle impingement would result in significant, reliable, and durable improvement in pain and range of motion (ROM), and would allow National Football League (NFL) players to return to their preoperative level of play. We reviewed 29 arthroscopic ankle débridements performed by a single surgeon...
January 2018: American Journal of Orthopedics
Chiara Giraudo, Stanislav Motyka, Michael Weber, Manuela Karner, Christoph Resinger, Thorsten Feiweier, Siegfried Trattnig, Wolfgang Bogner
OBJECTIVES: To assess acute muscle tears in professional football players by diffusion tensor imaging (DTI) and evaluate the impact of normalization of data. METHODS: Eight football players with acute lower limb muscle tears were examined. DTI metrics of the injured muscle and corresponding healthy contralateral muscle and of ROIs drawn in muscle tears (ROItear) in the corresponding healthy contralateral muscle (ROIhc_t) in a healthy area ipsilateral to the injury (ROIhi) and in a corresponding contralateral area (ROIhc_i) were compared...
February 8, 2018: European Radiology
Dhiren Naidu, Martin Mrazik, Carley Borza, Tara Kobitowich
Reasons for Study: Sideline assessment tools are an important component of concussion evaluations. To date there has been little data evaluating the clinical utility of these tests in professional football. The purpose of this study was to evaluate the clinical utility of the King-Devick Test (KD) in evaluating concussions in professional football players. Baseline data was collected over 2 consecutive seasons in the Canadian Football League as part of a comprehensive medical baseline evaluation. A pilot study with the KD began in 2015 with 306 participants and the next year (2016) there were 917 participants...
February 8, 2018: Journal of Neurotrauma
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