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https://www.readbyqxmd.com/read/29145309/short-term-effects-of-sports-taping-on-navicular-height-navicular-drop-and-peak-plantar-pressure-in-healthy-elite-athletes-a-within-subject-comparison
#1
Taegyu Kim, Jong-Chul Park
Medial tibial stress syndrome (MTSS) is one of the most common exercise-induced leg pain. The navicular drop (ND) was identified as a risk factor for MTSS. This study aimed to evaluate the short-term effects of sports taping applied to the supporting lower leg during sitting, standing, walking, and jogging to restrict the ND in healthy elite athletes.Twenty-four healthy elite athletes without a history of exercise-induced pain or injuries in the lower limbs participated in this study (median age: 21.00 years; 1st--3rd quartiles; 19...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29143667/validation-of-whole-blood-transcriptome-signature-during-microdose-recombinant-human-erythropoietin-rhuepo-administration
#2
Guan Wang, Jérôme Durussel, Jonathan Shurlock, Martin Mooses, Noriyuki Fuku, Georgie Bruinvels, Charles Pedlar, Richard Burden, Andrew Murray, Brendan Yee, Anne Keenan, John D McClure, Pierre-Edouard Sottas, Yannis P Pitsiladis
BACKGROUND: Recombinant human erythropoietin (rHuEpo) can improve human performance and is therefore frequently abused by athletes. As a result, the World Anti-Doping Agency (WADA) introduced the Athlete Biological Passport (ABP) as an indirect method to detect blood doping. Despite this progress, challenges remain to detect blood manipulations such as the use of microdoses of rHuEpo. METHODS: Forty-five whole-blood transcriptional markers of rHuEpo previously derived from a high-dose rHuEpo administration trial were used to assess whether microdoses of rHuEpo could be detected in 14 trained subjects and whether these markers may be confounded by exercise (n = 14 trained subjects) and altitude training (n = 21 elite runners and n = 4 elite rowers, respectively)...
November 14, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29143595/why-nature-prevails-over-nurture-in-the-making-of-the-elite-athlete
#3
Evelina Georgiades, Vassilis Klissouras, Jamie Baulch, Guan Wang, Yannis Pitsiladis
While the influence of nature (genes) and nurture (environment) on elite sporting performance remains difficult to precisely determine, the dismissal of either as a contributing factor to performance is unwarranted. It is accepted that a complex interaction of a combination of innumerable factors may mold a talented athlete into a champion. The prevailing view today is that understanding elite human performance will require the deciphering of two major sources of individual differences, genes and the environment...
November 14, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29143592/col5a1-gene-variants-previously-associated-with-reduced-soft-tissue-injury-risk-are-associated-with-elite-athlete-status-in-rugby
#4
Shane M Heffernan, Liam P Kilduff, Robert M Erskine, Stephen H Day, Georgina K Stebbings, Christian J Cook, Stuart M Raleigh, Mark A Bennett, Guan Wang, Malcolm Collins, Yannis P Pitsiladis, Alun G Williams
BACKGROUND: Two common single nucleotide polymorphisms within the COL5A1 gene (SNPs; rs12722 C/T and rs3196378 C/A) have previously been associated with tendon and ligament pathologies. Given the high incidence of tendon and ligament injuries in elite rugby athletes, we hypothesised that both SNPs would be associated with career success. RESULTS: In 1105 participants (RugbyGene project), comprising 460 elite rugby union (RU), 88 elite rugby league athletes and 565 non-athlete controls, DNA was collected and genotyped for the COL5A1 rs12722 and rs3196378 variants using real-time PCR...
November 14, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29141464/understanding-posttraumatic-growth-of-paratriathletes-with-acquired-disability
#5
Chris Hammer, Leslie Podlog, Ross Wadey, Nick Galli, Anjali J Forber-Pratt, Maria Newton, Morgan Hall, Lindsey Greviskes
PURPOSE: To examine the relevance of key components of Organismic Valuing Theory of Growth through Adversity in understanding posttraumatic growth amongst paratriathletes with acquired disability. METHODS: Semi-structured interviews informed by organismic valuing theory of growth through adversity were conducted with 14 elite paratriathletes (eight male, six female). To increase the likelihood that participants had experienced posttraumatic growth, a short form of the Posttraumatic Growth Inventory was completed prior to interview participation...
November 15, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29140178/infraspinatus-cross-sectional-area-and-shoulder-range-of-motion-change-following-live-game-baseball-pitching
#6
Brett S Pexa, Eric D Ryan, Elizabeth E Hibberd, Elizabeth Teel, Terri Jo Rucinski, Joseph B Myers
CONTEXT: Following a baseball pitching bout, changes can occur to glenohumeral range of motion that could be linked to injury. These effects are in part due to the posterior shoulder's eccentric muscle activity, which can disrupt muscle contractile elements and lead to changes in muscle cross sectional area (CSA), as measured by ultrasound. OBJECTIVE: To assess changes in muscle CSA, and range of motion immediately before and after pitching, and days 1-5 following pitching...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29140170/clinical-diagnostic-tests-versus-mri-diagnosis-of-acl-tears
#7
Megan P Brady, Windee Weiss
CLINICAL SCENARIO: A common injury among elite, recreational, and youth athletes is the anterior cruciate ligament (ACL) tear.(1) Approximately 200,000 ACL injuries occur every year.(2) The gold standard in ACL injury evaluation is diagnostic arthroscopy,(3,4) however the diagnostic accuracy of clinical diagnostic tests and magnetic resonance imaging (MRI) is debatable.(1,3-6) Due to the frequency of knee injury,(3) MRI is a common diagnostic tool used for imaging and diagnosis(5). ACL tears are also diagnosed using clinical diagnostic tests...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29140147/sprint-running-performance-and-technique-changes-in-athletes-during-periodized-training-an-elite-training-group-case-study
#8
Ian N Bezodis, David G Kerwin, Stephen-Mark Cooper, Aki I T Salo
PURPOSE: To understand how training periodization influences sprint performance and key step characteristics over an extended training period in an elite sprint training group. METHODS: Four sprinters were studied during five months of training. Step velocities, step lengths and step frequencies were measured from video of the maximum velocity phase of training sprints. Bootstrapped mean values were calculated for each athlete for each session and 139 within-athlete, between-session comparisons were made with a repeated measures ANOVA...
November 15, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29135275/the-effects-of-playing-multiple-high-school-sports-on-national-basketball-association-players-propensity-for-injury-and-athletic-performance
#9
Caitlin Rugg, Adarsh Kadoor, Brian T Feeley, Nirav K Pandya
BACKGROUND: Athletes who specialize in their sport at an early age may be at risk for burnout, overuse injury, and reduced attainment of elite status. Timing of sport specialization has not been studied in elite basketball athletes. HYPOTHESIS: National Basketball Association (NBA) players who played multiple sports during adolescence would be less likely to experience injury and would have higher participation rates in terms of games played and career length compared with single-sport athletes...
November 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29129460/the-association-of-novel-polymorphisms-with-stress-fracture-injury-in-elite-athletes-further-insights-from-the-sfea-cohort
#10
Ian Varley, David C Hughes, Julie P Greeves, Trent Stellingwerff, Craig Ranson, William D Fraser, Craig Sale
OBJECTIVES: To determine, in conjunction with a wider investigation, whether 11 genetic variants in the vicinity of vitamin D, collagen and Wnt signalling pathways were associated with stress fracture injury in the Stress Fracture Elite Athlete (SFEA) cohort. DESIGN: Genotype-phenotype association study. METHODS: Self-reported stress fracture history and demographic data were recorded in 518 elite athletes, 449 male and 69 female (mean age 24...
November 7, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29128143/influence-of-type-of-sport-on-cardiac-repolarization-assessed-by-electrocardiographic-t-wave-morphology-combination-score
#11
Susanne Glasius Tischer, Claus Graff, Christina Ellervik, Eva Prescott, Jørgen K Kanters, Hanne Kruuse Rasmusen
INTRODUCTION: Interpreting repolarization changes in the electrocardiograms of athletes present a clinical challenge. AIM: Assessment of cardiac repolarization by T-wave morphology using the Morphology Combination Score (MCS), and evaluate how this quantitative description of T-wave morphology was influenced by the sport performed. MATERIALS AND METHODS: Digital electrocardiograms of 469 young elite athletes were analyzed for T-wave asymmetry, flatness and notching, and combined in the MCS...
September 29, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29127266/injuries-in-female-and-male-elite-taekwondo-athletes-a-10-year-prospective-epidemiological-study-of-1466-injuries-sustained-during-250-000-training-hours
#12
Ki Jun Park, Brian Byung Song
OBJECTIVES: We aimed to determine the injury patterns associated with training activities in elite South Korean taekwondo athletes training for the Olympic Games. METHODS: We collected data prospectively from 2007 to 2016 at the Korea National Training Center in Seoul, South Korea. A sports injury was defined as acute or chronic musculoskeletal signs and symptoms due to taekwondo activities during training sessions. Athletes were assessed by an on-site sports medicine specialist...
November 10, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29127265/mortality-and-health-related-habits-in-900-finnish-former-elite-athletes-and-their-brothers
#13
Titta Katariina Kontro, Seppo Sarna, Jaakko Kaprio, Urho M Kujala
BACKGROUND: There is conflicting evidence on the associations between participation in vigorous sports, health habits, familial factors and subsequent mortality. We investigated all-cause mortality and health-related behaviour among former elite athletes and their brothers. METHODS: The mortality of Finnish male former elite athletes, who had represented Finland between 1920 and 1965 (n=900) and their age-matched brothers (n=900), was followed from the time when athlete started an elite athlete career until 31 December 2015...
November 10, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29124974/media-portrayal-of-elite-athletes-with-disability-a-systematic-review
#14
Leanne Rees, Priscilla Robinson, Nora Shields
BACKGROUND: The media plays an important role in shaping society's beliefs about disability and sport. The aim of this systematic review is to identify how elite athletes with disability are portrayed in the media. METHOD: Six electronic databases were searched from 2001 to March 2017 for quantitative or qualitative content analysis of media coverage of elite athletes with disability: SportsDiscus, CINAHL, PsychInfo, Medline 1996-, Embase, and Proquest. Quality assessment and data extraction were performed by two independent assessors...
November 10, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29120989/validity-and-reliability-of-a-new-test-of-planned-agility-in-elite-taekwondo-athletes
#15
Helmi Chaabene, Yassine Negra, Laura Capranica, Raja Bouguezzi, Younés Hachana, Mohamed Ali Rouahi, Bessem Mkaouer
This study aimed to examine the validity, reliability, and sensitivity of a new test of planned agility in elite taekwondo athletes and to establish its relationship with sprint-time, jumping ability, and dynamic balance. Twenty-seven (20 males and 7 females) taekwondo athletes participated to this study. They performed taekwondo-specific agility test (TSAT) in two occasions (i.e., test-retest). Additionally, they performed jumping ability (i.e., squat jump, countermovement jump, standing long jump, and three-hop jump), sprint-time (5-m and 20-m dash), and dynamic balance (i...
November 6, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29117452/influence-of-population-size-density-and-proximity-to-talent-clubs-on-the-likelihood-of-becoming-elite-youth-athlete
#16
Niels N Rossing, Diana Stentoft, Alexander Flattum, Jean Côté, Dan S Karbing
Previous studies have found significant differences in the likelihood of becoming an elite athlete depending on community population sizes and densities, an effect known as the place of early development, or birthplace effect. However, the results have not been consistent between sports or European countries. Since both professional and voluntary clubs are vital to the talent development systems in Europe, the proximity of an athlete's place of early development to the location of talent clubs may be an important predictor of the likelihood of becoming an elite athlete...
November 8, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29111631/physical-performance-characteristics-between-male-and-female-youth-surfing-athletes
#17
Bruno A Ferreira da Silva, Filipe M Clemente
BACKGRAUND: Despite some knowledge about the fitness levels of elite surfers, there is limited published research examining gender differences, particularly in young athletes. The purpose of this study was to describe and compare the sex differences in physical performance characteristics of elite youth surfers. It was also aimed to study the association between physical performance variables. METHODS: This longitudinal prospective study was based on a total of twenty male and female youth surfers performed a battery of physical performance tests: anthropometrics, weight-bearing dorsiflexion test, Functional Movement Screen, lower extremity dynamic stability, lower limb dynamic strength, paddling and apnea test...
November 7, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29109688/weak-relationships-between-stint-duration-physical-and-skilled-match-performance-in-australian-football
#18
David M Corbett, Alice J Sweeting, Sam Robertson
Australian Rules football comprises physical and skilled performance for more than 90 min of play. The cognitive and physiological fatigue experienced by participants during a match may reduce performance. Consequently, the length of time an athlete is on the field before being interchanged (known as a stint), is a key tactic which could maximize the skill and physical output of the Australian Rules athlete. This study developed two methods to quantify the relationship between athlete time on field, skilled and physical output...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29106897/estimation-and-validation-of-spatio-temporal-parameters-for-sprint-running-using-a-radio-based-tracking-system
#19
Thomas Seidl, Daniel Linke, Martin Lames
Spatio-temporal parameters like step length, step frequency and ground contact time are directly related to sprinting performance. There is still a lack of knowledge, however, on how these parameters interact. Recently, various algorithms for the automatic detection of step parameters during sprint running have been presented which have been based on data from motion capture systems, video cameras, opto-electronic systems or Inertial measurement units. However, all of these methods suffer from at least one of the following shortcomings: they are (a) not applicable for more than one sprinter simultaneously, (b) only capable of capturing a small volume or (c) do not provide accurate spatial parameters...
October 12, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29100249/longer-telomere-length-in-elite-master-sprinters-relationship-to-performance-and-body-composition
#20
Herbert Gustavo Simoes, Caio Victor Sousa, Thiago Dos Santos Rosa, Samuel da Silva Aguiar, Lysleine Alves Deus, Erica Carine Campos Caldas Rosa, Angelica Amorim Amato, Rosangela Vieira Andrade
Emergent evidence suggests that the long-term healthy lifestyle of master athletes may attenuate aging. We compared telomere length (TL) of high-level master sprinters and non-athlete age-matched controls, and analyzed the relationships of TL with performance and body fat. Elite master sprinters (n=11; aged 50.1±9.2yrs) and healthy untrained controls (n=10; aged 45.4±10.9yrs) had blood samples collected for biochemical and biomolecular analyses. Master sprinters had longer TL, lower body fat and BMI, and a better lipid profile than age-matched controls (p<0...
November 3, 2017: International Journal of Sports Medicine
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