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https://www.readbyqxmd.com/read/28092023/white-matter-alterations-in-college-football-players-a-longitudinal-diffusion-tensor-imaging-study
#1
Michael Christian Mayinger, Kian Merchant-Borna, Jakob Hufschmidt, Marc Muehlmann, Isabelle Ruth Weir, Boris-Stephan Rauchmann, Martha Elizabeth Shenton, Inga Katharina Koerte, Jeffrey John Bazarian
The aim of this study was to evaluate longitudinal changes in the diffusion characteristics of brain white matter (WM) in collegiate athletes at three time points: prior to the start of the football season (T1), after one season of football (T2), followed by six months of no-contact rest (T3). Fifteen male collegiate football players and 5 male non-athlete student controls underwent diffusion MR imaging and computerized cognitive testing at all three timepoints. Whole-brain tract-based spatial statistics (TBSS) were used to compare fractional anisotropy (FA), radial diffusivity (RD), axial diffusivity (AD), and trace between all timepoints...
January 14, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28090180/a-randomised-placebo-controlled-trial-of-neurodynamic-sliders-on-hamstring-responses-in-footballers-with-hamstring-tightness
#2
Pattanasin Areeudomwong, Ketsarakon Oatyimprai, Saranchana Pathumb
BACKGROUND: Neurodynamics intervention is known to increase apparent muscle extensibility, but information regarding hamstring responses after a neurodynamic sliders (NS) technique is scarce. The aim of this study was to evaluate the effects of NS on apparent hamstring extensibility and activity in footballers with hamstring tightness. METHODS: Forty eligible healthy male footballers with hamstring tightness were each randomly allocated to either a 4-week NS technique or a control group (CG) receiving placebo shortwave intervention...
November 2016: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/28089940/assessing-the-effect-of-football-play-on-knee-articular-cartilage-using-delayed-gadolinium-enhanced-mri-of-cartilage-dgemric
#3
Wenbo Wei, Becky Lambach, Guang Jia, David Flanigan, Ajit M W Chaudhari, Lai Wei, Alan Rogers, Jason Payne, Robert A Siston, Michael V Knopp
The prevalence of cartilage lesions is much higher in football athletes than in the general population. Delayed gadolinium-enhanced MRI of cartilage (dGEMRIC) has been shown to quantify regional variations of glycosaminoglycan (GAG) concentrations which is an indicator of early cartilage degeneration. The goal of this study is to determine whether dGEMRIC can be used to assess the influence in cartilage GAG concentration due to college level football play. Thirteen collegiate football players with one to four years of collegiate football play experience were recruited and both knee joints were scanned using a dedicated 8-channel phased array knee coil on a 3T MRI system...
January 12, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28087568/effect-of-specific-exercise-based-football-injury-prevention-programmes-on-the-overall-injury-rate-in-football-a-systematic-review-and-meta-analysis-of-the-fifa-11-and-11-programmes
#4
Kristian Thorborg, Kasper Kühn Krommes, Ernest Esteve, Mikkel Bek Clausen, Else Marie Bartels, Michael Skovdal Rathleff
OBJECTIVE: To investigate the effect of FIFA injury prevention programmes in football (FIFA 11 and FIFA 11+). DESIGN: Systematic review and meta-analysis. ELIGIBILITY CRITERIA FOR SELECTING STUDIES: Randomised controlled trials comparing the FIFA injury prevention programmes with a control (no or sham intervention) among football players. DATA SOURCES: MEDLINE via PubMed, EMBASE via OVID, CINAHL via Ebsco, Web of Science, SportDiscus and Cochrane Central Register of Controlled Trials, from 2004 to 14 March 2016...
January 13, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28070989/fullerenes-in-space
#5
John Paul Maier, Ewen Kyle Campbell
In 1985 the football structure of $\textrm{C}_{60}$, buckminsterfullerene was proposed and subsequently confirmed following its macroscopic synthesis in 1990. From the very beginning the role of $\textrm{C}_{60}$ and $\textrm{C}_{60}^{+}$ in space was considered, particularly in the context of the enigmatic diffuse interstellar bands. These are absorption features found in the spectra of reddened star light. The first astronomical observations were made around one hundred years ago and despite significant efforts none of the interstellar molecules responsible have been identified...
January 10, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28068152/effect-of-exposure-type-and-timing-of-injuries-in-division-i-college-football-a-4-year-single-program-analysis
#6
Michael K Krill, James R Borchers, Joshua T Hoffman, Rachel L Tatarski, Timothy E Hewett
BACKGROUND: Football players compete with a high risk of injury due to the sport. With the recent efforts to improve safety, the National Collegiate Athletic Association (NCAA) established new terminology to clearly define exposure types and reduce the number of high contact exposures. OBJECTIVES: To compare football injury rates (IR) with a focus on game versus practice, time in season of injury, mechanism of injury and utilizing recent exposure types defined by the NCAA (live contact, full-pads and non-contact)...
January 9, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28065978/spontaneous-bilateral-quadriceps-rupture-in-a-patient-with-ankylosing-spondylitis-a-case-report
#7
Azib Shahid, Hafiz Shahid Mushtaq, Syed Muhammad Azfar
Ankylosing spondylitis is a prototype rheumatoid factor-negative spondyloarthropathy that causes the vertebrae to fuse making the spine less flexible, resulting in a hunched-forward posture. A 47-year-old male who was a known case of ankylosing spondylitis presented with left quadriceps rupture after raising his right foot to lightly hit a football. He was fitted with a knee immobilizer as an emergency measure. The extent of the rupture was not yet established when patient requested leave to go home. The right quadriceps was ruptured as well when he took his immobilizer off to go the bathroom...
January 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28065123/observations-of-youth-football-training-how-do-coaches-structure-training-sessions-for-player-development
#8
Donna O'Connor, Paul Larkin, A Mark Williams
We used systematic observation tools to explore the structure (i.e., activity and inactivity) and sequencing (i.e., the types of activities used) of football coaching sessions in Australia following the implementation of a new National Curriculum. Youth soccer coaches (n = 34), coaching within the Skill Acquisition (U11-U13 n = 19) and Game Training (U14-U17 n = 15) phases of the Football Federation Australia National Curriculum participated. Participants were filmed during a regular coaching session, with systematic observation of the session undertaken to provide a detailed analysis of the practice activities and coach behaviours...
January 7, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28062588/the-fifa-diploma-in-football-medicine
#9
Christian M Schmied
No abstract text is available yet for this article.
December 14, 2016: European Heart Journal
https://www.readbyqxmd.com/read/28060927/acute-effects-of-three-neuromuscular-warm-up-strategies-on-several-physical-performance-measures-in-football-players
#10
Francisco Ayala, Ana Calderón-López, Juan Carlos Delgado-Gosálbez, Sergio Parra-Sánchez, Carlos Pomares-Noguera, Sergio Hernández-Sánchez, Alejandro López-Valenciano, Mark De Ste Croix
No studies have analysed the acute effects of the FIFA 11+ and Harmoknee warm-up programmes on major physical performance measures. The aim of this study was to analyse the acute (post-exercise) effects of the FIFA 11+, Harmoknee and dynamic warm-up routines on several physical performance measures in amateur football players. A randomized, crossover and counterbalanced study design was used to address the purpose of this study. A total of sixteen amateur football players completed the following protocols in a randomized order on separate days: a) FIFA 11+; b) Harmoknee; and c) dynamic warm-up (DWU)...
2017: PloS One
https://www.readbyqxmd.com/read/28056522/environmental-conditions-and-seasonal-variables-in-american-youth-football-leagues
#11
Susan W Yeargin, Erin Cahoon, Yuri Hosokawa, James M Mensch, Thomas P Dompier, Zachary Y Kerr
Our study describes youth football (YFB) environmental conditions and the associated heat index (HI) risk category. An observational research design was utilized. Independent variables included month, time, event, and geographic location. Main outcome variables were frequency of events, average HI, and corresponding risk categorization. The HI was recorded with the day and time for each YFB event across 2 YFB seasons. Nearly half (49.8%) of events were in a high HI risk category and 20.0% should have been cancelled...
January 1, 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/28056179/descriptive-characteristics-of-concussions-in-national-football-league-games-2010-2011-to-2013-2014
#12
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...
December 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28056008/traumatic-brain-and-spinal-cord-fatalities-among-high-school-and-college-football-players-united-states-2005-2014
#13
Kristen L Kucera, Rebecca K Yau, Johna Register-Mihalik, Stephen W Marshall, Leah C Thomas, Susanne Wolf, Robert C Cantu, Frederick O Mueller, Kevin M Guskiewicz
An estimated 1.1 million high school and 75,000 college athletes participate in tackle football annually in the United States. Football is a collision sport; traumatic injuries are frequent (1,2), and can be fatal (3). This report updates the incidence and characteristics of deaths caused by traumatic brain injury and spinal cord injury (4) in high school and college football and presents illustrative case descriptions. Information was analyzed from the National Center for Catastrophic Sport Injury Research (NCCSIR)...
January 6, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28054492/match-running-performance-and-skill-execution-improves-with-age-but-not-the-number-of-disposals-in-young-australian-footballers
#14
Paul B Gastin, Christie Tangalos, Lorena Torres, Sam Robertson
This study investigated age-related differences in maturity, physical and functional characteristics and playing performance in youth Australian Football (AF). Young male players (n = 156) were recruited from 12 teams across 6 age groups (U10-U15) of a recreational AF club. All players were tested for body size, maturity and fitness. Player performance was assessed during a match in which disposals (kicks and handballs) and their effectiveness were coded from a video recording and match running performance measured using Global Positioning System...
January 5, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28054391/head-injuries-in-children-s-football-results-from-two-prospective-cohort-studies-in-four-european-countries
#15
Oliver Faude, Roland Rössler, Astrid Junge, Karen Aus der Fünten, Jiri Chomiak, Evert Verhagen, Florian Beaudouin, Jiri Dvorak, Nina Feddermann-Demont
Head injuries are considered harmful in children. We analysed head and neck injuries in organised football in 7 to 12 year old children. Data for this analysis were obtained from a prospective cohort study over two consecutive football seasons in two European countries, and a randomised intervention trial over one season in four European countries. Football exposure and injuries were documented through an online database. Detailed information regarding injury characteristics and medical follow-up was retrieved from coaches, children and parents by phone...
January 4, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28052052/physical-characteristics-and-performance-of-japanese-top-level-american-football-players
#16
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
https://www.readbyqxmd.com/read/28051327/are-there-potential-safety-issues-concerning-the-safe-usage-of-electronic-personal-tracking-devices-the-experience-of-a-multi-sport-elite-club
#17
Daniel Medina, Eduard Pons, Antonio Gomez, Marc Guitart, Andres Martin, Jairo Vazquez-Guerrero, Ismael Camenforte, Berta Carles, Roger Font
Despite approval of the use of electronic personal tracking devices (EPTD) during competition by the International Football Association Board (IFAB), other team sport organizations and leagues have banned its use due to "safety concerns", with no evidence to support this assertion. The aim of the current brief report is to provide empirical evidence to support the wide-spread usage across all sports by examining safety issues concerning the use of EPTD in a multi-team sports club. A total of 5 outdoor football teams (first team, second team, under 19, under 18 and first team female) and 3 indoor multi-sport (basketball, futsal and handball) teams have been monitored; accounting for a total of 63...
January 4, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28050914/physiological-perceptual-and-performance-responses-associated-with-self-selected-versus-standardized-recovery-periods-during-a-repeated-sprint-protocol-in-elite-youth-football-players-a-preliminary-study
#18
Neil Gibson, Callum Brownstein, Derek Ball, Craig Twist
PURPOSE: To examine the physiological and perceptual responses of youth footballers to a repeated sprint protocol employing standardized and self-selected recovery. METHODS: Eleven male participants (13.7 ± 1.1 years) performed a repeated sprint assessment comprising 10 x 30 m efforts. Employing a randomized crossover design, repeated sprints were performed using 30 s and self-selected recovery periods. Heart rate was monitored continuously with ratings of perceived exertion (RPE) and lower body muscle power measured 2 min after the final sprint...
January 4, 2017: Pediatric Exercise Science
https://www.readbyqxmd.com/read/28045691/ecg-of-the-month-wide-qrs-tachycardias
#19
D Luke Glancy, Theresa A Mills
A 61-year-old man came from out of state to attend a football game. He felt well during the game, but when he stood up to leave, he became dizzy and dyspneic. The symptoms lasted 15 to 20 minutes, and when the paramedics arrived, they diagnosed an idioventricular rhythm and brought the patient to the emergency department where a 12-lead electrocardiogram (ECG) was recorded (Figure 1).
November 2016: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28043957/computational-modelling-of-traumatic-brain-injury-predicts-the-location-of-chronic-traumatic-encephalopathy-pathology
#20
Mazdak Ghajari, Peter J Hellyer, David J Sharp
Traumatic brain injury can lead to the neurodegenerative disease chronic traumatic encephalopathy. This condition has a clear neuropathological definition but the relationship between the initial head impact and the pattern of progressive brain pathology is poorly understood. We test the hypothesis that mechanical strain and strain rate are greatest in sulci, where neuropathology is prominently seen in chronic traumatic encephalopathy, and whether human neuroimaging observations converge with computational predictions...
January 2, 2017: Brain: a Journal of Neurology
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