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https://www.readbyqxmd.com/read/29334309/effects-of-resisted-sprint-training-on-sprinting-ability-and-change-of-direction-speed-in-professional-soccer-players
#1
Saulo Gil, Renato Barroso, Everton Crivoi do Carmo, Irineu Loturco, Ronaldo Kobal, Valmor Tricoli, Carlos Ugrinowitsch, Hamilton Roschel
Resisted sprint training consists of performing overloaded sprints, which may produce greater effects than traditional sprint training. We compared a resisted sprint training with overload control versus an unresisted sprint training program on performance in soccer players. Eighteen elite athletes were randomly assigned to resisted (RST) or unresisted sprint training protocol (UR). Before and after a 6-week training period, sprinting ability, change of direction speed (COD), vertical jumps (SJ and CMJ), mean power (MP) and mean propulsive power (MPP) at distinct loads were assessed...
January 15, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29332181/management-of-rotator-cuff-injuries-in-the-elite-athlete
#2
REVIEW
Leigh J Weiss, Dean Wang, Michael Hendel, Philip Buzzerio, Scott A Rodeo
PURPOSE OF REVIEW: Rotator cuff injuries are a common cause of pain and dysfunction for the elite athlete and can result in time loss from participation. This review highlights the current management of these injuries. RECENT FINDINGS: Conservative management of rotator cuff injuries continues to be the "gold standard" in the elite athlete. This includes a comprehensive rehabilitation program, anti-inflammatories, and corticosteroid injections. Newer treatment techniques such as intramuscular dry needling and the use of biologics such as platelet-rich plasma and stem cells demonstrate early promising results; however, these modalities require further investigation to determine their effectiveness...
January 13, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29330670/treatment-of-partial-thickness-rotator-cuff-tears-in-overhead-athletes
#3
REVIEW
Joseph N Liu, Grant H Garcia, Anirudh K Gowd, Brandon C Cabarcas, Michael D Charles, Anthony A Romeo, Nikhil N Verma
PURPOSE OF REVIEW: To review the etiology, classification, presentation, evaluation, treatment strategy, and outcomes in overhead athletes with partial thickness rotator cuff tears. RECENT FINDINGS: Despite advances in surgical repair techniques, return to play following surgical repair of partial rotator cuff tears remains modest at best. Overhead athletes may be particularly prone to rotator cuff pathology due to the supraphysiological strains within the tendon during the throwing motion, as well as mechanical stress with contact between the undersurface of the rotator cuff and the glenoid...
January 13, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29327827/differences-in-100-m-sprint-performance-and-skeletal-muscle-mass-between-elite-male-and-female-sprinters
#4
Takashi Abe, Scott J Dankel, Samuel L Buckner, Matthew B Jessee, Kevin T Mattocks, J Grant Mouser, Zachary W Bell, Jeremy P Loenneke
BACKGROUND: The sex difference in 100-m sprint performance between the world's best athletes is approximately 10%. We hypothesized that skeletal muscle mass (SM) relative to body mass may be a major factor contributing to this difference. The aim of this study was to examine the sex difference in absolute and relative SM and sprint performance in male and female sprinters. METHODS: We analyzed the SM of male (n=37) and female (n=26) 100-m sprinters; the sample was divided into two subgroups within each sex according to personal best 100-m time: 10...
January 10, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29327170/the-effects-of-a-single-session-of-spinal-manipulation-on-strength-and-cortical-drive-in-athletes
#5
Thomas Lykke Christiansen, Imran Khan Niazi, Kelly Holt, Rasmus Wiberg Nedergaard, Jens Duehr, Kathryn Allen, Paul Marshall, Kemal S Türker, Jan Hartvigsen, Heidi Haavik
PURPOSE: The primary purpose of this study was to investigate whether a single session of spinal manipulation (SM) increases strength and cortical drive in the lower limb (soleus muscle) of elite Taekwondo athletes. METHODS: Soleus-evoked V-waves, H-reflex and maximum voluntary contraction (MVC) of the plantar flexors were recorded from 11 elite Taekwondo athletes using a randomized controlled crossover design. Interventions were either SM or passive movement control...
January 11, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29326958/performance-and-return-to-sport-after-thumb-ulnar-collateral-ligament-repair-in-major-league-baseball-players
#6
Robert A Jack, Kyle R Sochacki, Bryce Gagliano, David M Lintner, Joshua D Harris, Patrick C McCulloch
Background: Acute ruptures of the ulnar collateral ligament (UCL) of the thumb are common injuries in sports. Surgical repair has yielded excellent results and high return-to-sport (RTS) rates in elite athletes. Purpose: To determine (1) the RTS rate in Major League Baseball (MLB) players following thumb UCL repair, (2) postoperative career length and games played per season, (3) pre- and postoperative performance, (4) postoperative performance compared with matched control players, and (5) whether dominant and nondominant hand injuries respond differently...
January 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29324575/the-relationship-between-tennis-serve-velocity-and-select-performance-measures
#7
Matthew J Hayes, Dirk R Spits, David G Watts, Vincent G Kelly
The purpose of this study was to determine if there was a relationship between tennis serve speed and isometric mid-thigh pull (IMTP) kinetic variables; countermovement jump height (CMJ Height), shoulder internal and external rotation strength and anthropometric measures in elite adolescent tennis players. Twenty-one elite junior tennis players from the Tennis Australia National Academy were recruited for this study (male, n = 12, female, n = 9). Correlations between the performance variables and peak tennis serve speed were calculated using a Pearson's product-moment correlation coefficient...
January 10, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29315832/a-valid-and-reliable-method-to-measure-jump-specific-training-and-competition-load-in-elite-volleyball-players
#8
Christopher Skazalski, Rod Whiteley, Clint Hansen, Roald Bahr
PURPOSE: Use of a commercially available wearable device to monitor jump load with elite volleyball players has become common practice. The purpose of this study was to evaluate the validity and reliability of this device, the Vert, to count jumps and measure jump height with professional volleyball players. METHODS: Jump count accuracy was determined by comparing jumps recorded by the device to jumps observed through systematic video analysis of three practice sessions and two league matches performed by a men's professional volleyball team...
January 6, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29315568/cryotherapy-not-as-cool-as-it-seems
#9
Shamara Nadarajah, Ramya Ariyagunarajah, Eric D Jong
In elite sports, a significant concern for many athletes is the ability to completely recover from prolonged exhaustive exercise. Athletes make use of numerous techniques to accelerate the healing process, priming their body for future events. Among the most common is the notion of muscle cooling, widely known as cryotherapy. This article is protected by copyright. All rights reserved.
January 6, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29315106/zurich-to-berlin-where-are-we-now-with-the-concussion-in-sport-group
#10
Margaret E Pusateri, Brandon J Hockenberry, Christopher A McGrew
The Concussion in Sport Group recently published its highly anticipated fifth consensus statement on sports-related concussion. The latest iteration features a new organizational format-the "11 Rs" and has input from a wider range of health care professionals, organizations, and experts in the field from both the sport concussion area and from related areas outside of sport. The stated objective of this current document is to "build on the principles outlined in previous statements and develop further conceptual understanding of sports-related concussion...
January 2018: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/29310525/proactive-and-reactive-motor-inhibition-in-top-athletes-versus-nonathletes
#11
Damien Brevers, Etienne Dubuisson, Fabien Dejonghe, Julien Dutrieux, Mathieu Petieau, Guy Cheron, Paul Verbanck, Jennifer Foucart
We examined proactive (early restraint in preparation for stopping) and reactive (late correction to stop ongoing action) motor response inhibition in two groups of participants: professional athletes ( n = 28) and nonathletes ( n = 25). We recruited the elite athletes from Belgian national taekwondo and fencing teams. We estimated proactive and reactive inhibition with a modified version of the stop-signal task (SST) in which participants inhibited categorizing left/right arrows. The probability of the stop signal was manipulated across blocks of trials by providing probability cues from the background computer screen color (green = 0%, yellow =17%, orange = 25%, red = 33%)...
January 1, 2018: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/29308848/test-retest-reliability-and-criterion-validity-of-a-new-taekwondo-anaerobic-intermittent-kick-test
#12
Amel Tayech, Mohamed A Mejri, Helmi Chaabene, Mehdi Chaouachi, David G Behm, Anis Chaouachi
BACKGROUND: The aim of this study was to determine the relative and absolute test-retest reliability and criterion validity of a new Taekwondo anaerobic intermittent kick test (TAIKT). METHODS: Twenty Tunisian elite Taekwondo athletes participated in this study (15 males and 5 females). Participants performed the TAIKT and the Running-based Anaerobic Sprint Test (RAST), twice (test and retest), on separate occasions three-week apart. Peak heart rate (HRpeak), blood lactate concentration [La־], and rating of perceived exertion (RPE) were measured during each session...
January 4, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29308847/comprehensive-overview-of-haemoglobin-mass-and-blood-volume-in-elite-athletes-across-a-wide-range-of-different-sporting-disciplines
#13
Irina Zelenkova, Sergey Zotkin, Pavel Korneev, Sergey Koprov, Alexandr Grushin
BACKGROUND: Comparison of total haemoglobin mass (tHb-mass) and blood volume (BV) across elite athletes different sporting specialisations. METHODS: 222 members of Russian national teams from 12 different disciplines and non Olympic competitive season for tHb-mass, BV, plasma volume (PV), haemoglobin concentration (Hb), and hematocrit level (Hct) determination. tHb-mass measurements were performed using CO-rebreathing technique, alongside Hb and Hct (capillary blood)...
January 4, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29308845/physiological-and-technical-commitment-during-a-300-m-in-line-skating-trial-in-athletes-of-different-age-categories
#14
Pietro L Invernizzi, Raffaele Scurati, Matteo Crotti, Andrea Bosio, Stefano Longo, Fabio Esposito
BACKGROUND: This study investigated the differences in strength, technique and time performance in in-line skaters of three age categories during a 300 m trial. Possible correlations among these variables were also assessed. METHODS: Thirty-six elite in-line skaters (Cadets, Juniors and Seniors, n=12 each; 14±1, 16±1, and 24±6 years of age, respectively) performed a 300-m trial on an outdoor oval track. Total time (Ttot), 100-m fractions and duration of each skating technique (initial acceleration phase, straight push and cross-over) were recorded...
January 4, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29305667/a-pilot-study-comparing-the-metabolic-profiles-of-elite-level-athletes-from-different-sporting-disciplines
#15
Fatima Al-Khelaifi, Ilhame Diboun, Francesco Donati, Francesco Botrè, Mohammed Alsayrafi, Costas Georgakopoulos, Karsten Suhre, Noha A Yousri, Mohamed A Elrayess
BACKGROUND: The outstanding performance of an elite athlete might be associated with changes in their blood metabolic profile. The aims of this study were to compare the blood metabolic profiles between moderate- and high-power and endurance elite athletes and to identify the potential metabolic pathways underlying these differences. METHODS: Metabolic profiling of serum samples from 191 elite athletes from different sports disciplines (121 high- and 70 moderate-endurance athletes, including 44 high- and 144 moderate-power athletes), who participated in national or international sports events and tested negative for doping abuse at anti-doping laboratories, was performed using non-targeted metabolomics-based mass spectroscopy combined with ultrahigh-performance liquid chromatography...
January 5, 2018: Sports Medicine—Open
https://www.readbyqxmd.com/read/29304983/editorial-commentary-mri-findings-are-only-one-part-of-the-equation-in-national-football-league-athletes-shoulder-instability-in-contact-athletes
#16
EDITORIAL
Jeremy M Burnham, James P Bradley
Shoulder instability is a common problem in contact sports such as the National Football League. Although many elite level football athletes will have shoulder magnetic resonance imaging (MRI) findings consistent with labral tearing on MRI, these imaging findings are not always correlated with symptomatic instability or functional limitations. It is crucial in all patients, not just National Football League athletes, to treat the patient, and not the MRI.
January 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29301454/association-between-coping-skills-past-injury-and-hip-pain-and-function-in-adolescent-elite-female-ballet-dancers
#17
Jessica Biernacki, Andrea Stracciolini, Kelsey Griffith, Pierre d'Hemecourt, Michael Owen, Dai Sugimoto
OBJECTIVES: The purpose of this study was to investigate the relationship between coping skills and current hip pain and function scores in ballet dancers. Secondly, we examined the relationship between coping skills and past injuries. Thirdly, we investigated the association between past injuries and current pain and function scores. METHODS: This was a cross-sectional observational study. Twenty-six young elite female dancers (mean age 15.9 years, range 14-17 years) participated...
January 5, 2018: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/29299978/psychological-support-for-sport-coaches-an-exploration-of-practitioner-psychologist-perspectives
#18
Sarah Kelly, Richard Thelwell, Jamie B Barker, Chris G Harwood
In the present study we add to the literature by exploring the degree to which UK practitioner psychologists perceive themselves able to support sport coaches, and how professional training prepares psychologists for coach work across performance domains. Ten participants comprising seven sport and exercise psychologists with Health Care Professions Council (HCPC) practitioner psychologist status and three trainee psychologists studying towards the British Psychological Society (BPS) qualification in sport and exercise psychology (QSEP) were individually interviewed...
January 4, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29299878/talent-identification-and-development-in-male-football-a-systematic-review
#19
REVIEW
Hugo Sarmento, M Teresa Anguera, Antonino Pereira, Duarte Araújo
BACKGROUND: Expertise has been extensively studied in several sports over recent years. The specificities of how excellence is achieved in Association Football, a sport practiced worldwide, are being repeatedly investigated by many researchers through a variety of approaches and scientific disciplines. OBJECTIVE: The aim of this review was to identify and synthesise the most significant literature addressing talent identification and development in football. We identified the most frequently researched topics and characterised their methodologies...
January 3, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29298754/correction-international-olympic-committee-consensus-statement-on-pain-management-in-elite-athletes
#20
(no author information available yet)
No abstract text is available yet for this article.
January 3, 2018: British Journal of Sports Medicine
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