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https://www.readbyqxmd.com/read/27926676/long-term-restoration-of-anterior-shoulder-stability-a-retrospective-analysis-of-arthroscopic-bankart-repair-versus-open-latarjet-procedure
#1
Stefan M Zimmermann, Max J Scheyerer, Mazda Farshad, Sabrina Catanzaro, Stefan Rahm, Christian Gerber
BACKGROUND: Various operative techniques are used for treating recurrent anterior shoulder instability, and good mid-term results have been reported. The purpose of this study was to compare shoulder stability after treatment with the 2 commonly performed procedures, the arthroscopic Bankart soft-tissue repair and the open coracoid transfer according to Latarjet. METHODS: A comparative, retrospective case-cohort analysis of 360 patients (364 shoulders) who had primary repair for recurrent anterior shoulder instability between 1998 and 2007 was performed...
December 7, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27926615/coronary-artery-evaluation-by-screening-echocardiogram-in-intercollegiate-athletes
#2
Walter J Hoyt, Peter N Dean, Daniel S Schneider, Mark R Conaway, Christopher M Kramer, Robert W Battle
INTRODUCTION: Coronary artery anomalies are the second most common congenital cause of sudden cardiac death (SCD) in young athletes. Some centers have advocated for limited transthoracic echocardiogram (TTE) protocols in the screening of college athletes, which may miss important causes of SCD. PURPOSE: The purpose of this study is to evaluate the ability of screening TTE to determine origin and proximal course of the coronary arteries in intercollegiate athletes...
December 6, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27923448/fit-with-good-fat-the-role-of-n-3-polyunsaturated-fatty-acids-on-exercise-performance
#3
REVIEW
Mariasole Da Boit, Angus M Hunter, Stuart R Gray
N-3 PUFA (n-3) polyunsaturated fatty acids (PUFA) are a family of fatty acids mainly found in oily fish and fish oil supplements. The effects of n-3 PUFA on health are mainly derived from its anti-inflammatory proprieties and its influence on immune function. Lately an increased interest in n-3 PUFA supplementation has reached the world of sport nutrition, where the majority of athletes rely on nutrition strategies to improve their training and performance. A vast amount of attention is paid in increasing metabolic capacity, delaying the onset of fatigue, and improving muscle hypertrophy and neuromuscular function...
January 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/27920330/treatment-of-insertional-achilles-pathology-with-dorsal-wedge-calcaneal-osteotomy-in-athletes
#4
Dimitrios Georgiannos, Vasilis Lampridis, Angelos Vasiliadis, Ilias Bisbinas
BACKGROUND: Insertional Achilles tendinopathy and retrocalcaneal bursitis is difficult to treat, and several operative techniques have been used after failure of conservative management. Dorsal wedge calcaneal osteotomy has been described for the treatment of insertional Achilles pathology. It was hypothesized that dorsal wedge calcaneal osteotomy would be an effective and safe method for the treatment of athletes with insertional Achilles pathology unrelieved by nonoperative measures...
December 5, 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/27918675/biomechanics-in-paralympics-implications-for-performance
#5
Floor Morriën, Matthew J D Taylor, Florentina J Hettinga
PURPOSE: To provide an overview of biomechanical studies in Paralympic research and their relevance for performance in Paralympic sports. METHODS: Search terms ' Paralympic Biomechanics', 'Paralympic Sport Performance', 'Paralympic Athlete Performance', and Paralympic Athlete' were entered into the electronic database PubMed. RESULTS: Thirty-four studies were included. Biomechanical studies in Paralympics mainly contributed to performance enhancement by technical optimization (n=32) and/or injury prevention (n=6)...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918666/quantification-of-training-and-competition-loads-in-endurance-sports-methods-and-applications
#6
Iñigo Mujika
Training quantification is basic to evaluate an endurance athlete's responses to the training loads, ensure adequate stress/recovery balance and determine the relationship between training and performance. Quantifying both external and internal workload is important, because the external workload does not measure the biological stress imposed by the exercise sessions. Generally used quantification methods include retrospective questionnaires, diaries, direct observation and physiological monitoring, often based on the measurement of oxygen uptake, heart rate and blood lactate concentration...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918664/modern-techniques-and-technologies-applied-to-training-and-performance-monitoring
#7
William A Sands, Ashley A Kavanaugh, Steven R Murray, Jeni R McNeal, Monèm Jemni
Athlete preparation and performance continues to increase in complexity and costs. Modern coaches are shifting from reliance on personal memory, experience, and opinion to evidence from collected training load data. Training load monitoring may hold vital information for developing systems of monitoring that follow the training process with such precision that both performance prediction and day-to-day management of training become an adjunct to preparation and performance. Time series data collection and analyses in sport are still in their infancy with considerable efforts being applied in "big-data" analytics and models of the appropriate variables to monitor and methods for doing so...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918661/how-does-a-short-interrupted-recovery-break-affect-performance-and-how-is-it-assessed-a-study-on-acute-effects
#8
Maximilian Pelka, Alexander Ferrauti, Tim Meyer, Mark Pfeiffer, Michael Kellmann
A recovery process with optimal prerequisites, which is interrupted, is termed disrupted recovery. Whether this process has an influence on performance-related factors needs to be investigated. Therefore, the aim of this study was to examine how a short disturbance of a recovery phase is assessed and whether subsequent repeated sprint performance is affected by it. A quasi-experimental 2x2-factors cross-over design with 34 sport science undergraduate students (age 20.3 ± 2.1) was applied. Factors were the type of intervention (power nap vs...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918655/activity-profiles-and-positional-differences-of-handball-players-during-the-world-championships-in-qatar-2015
#9
Marco Cardinale, Rodney Whiteley, Ahmed Abdelrahman Hosny, Nebojsa Popovic
PURPOSE: Handball is an Olympic sport played indoor by 6 court players and one goalkeeper with rolling substitutions. Limited data exist on elite players competing in a World Championship and virtually no information exits on the evolution of time-motion performance over the course of a long tournament. Therefore, the aim of this study was to analyze time motion characteristics of elite male handball players of the last World Championships played in Qatar in 2015. METHODS: 384 Players from 24 national teams were analyzed during 88 matches using a tracking camera system and a bespoke software (Prozone Handball V...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27914605/simultaneous-detection-of-recombinant-growth-hormones-in-equine-plasma-by-liquid-chromatography-high-resolution-tandem-mass-spectrometry-for-doping-control
#10
Kin-Sing Wong, George H M Chan, Emmie N M Ho, Terence S M Wan
Growth hormone (GH), or somatotropin, is a protein that may enhance physical performance and facilitate growth and wound healing. For this reason, growth hormones and their recombinant analogues are prohibited in human sports by the World Anti-Doping Agency (WADA) and in horseracing under Article 6 of the International Agreement on Breeding, Racing and Wagering published by the International Federation of Horse Racing Authorities (IFHA). Identifying the illicit use of GHs in both human athletes and racehorses is challenging, especially when differentiating between endogenous and exogenous GHs, and between analogues of GH from different species...
November 21, 2016: Journal of Chromatography. A
https://www.readbyqxmd.com/read/27914311/stepwatch-accuracy-during-walking-running-and-intermittent-activities
#11
Lindsay P Toth, David R Bassett, Scott E Crouter, Brittany S Overstreet, Samuel R LaMunion, Susan Park, Shahnawaz N Notta, Cary M Springer
INTRODUCTION: The purpose of this study was two-fold: 1) to investigate effects of cadence and sensitivity settings for the StepWatch (SW3) on step count accuracy over a wide range of ambulatory speeds, and 2) to compare the preprogrammed "quick start" settings to modified settings during intermittent lifestyle activities. METHODS: Part 1: Fifteen participants (18-57 years of age) performed two trials of treadmill walking and running at ten speeds ranging from 26...
November 21, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27914309/unique-approach-to-sensorimotor-training-with-a-new-device-combining-air-cushion-with-stochastic-translations-a-prospective-randomized-controlled-clinical-trial
#12
Christian Mittermaier, Maximilian Schindler, Benjamin Loader, Thomas Waldhoer, Clemens Ambrozy, Richard Crevenna, Karin Pieber
Sensorimotor training with a wide variety of available devices represents an important component in rehabilitation and prevention of different sports injuries and chronic diseases. The purpose of this study was to evaluate the effects of a sensorimotor training with a newly developed device, which consists of an instable platform moving on an air cushion, providing dynamic balance training by tilting and unanticipated stochastic translations on postural control. Seventy-two healthy young subjects were included in this prospective, randomized, controlled, and observer-blinded study...
November 25, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27913374/%C3%AE-alanine-efficacy-for-sports-performance-improvement-from-science-to-practice
#13
EDITORIAL
George P Nassis, Ben Sporer, Christos G Stathis
No abstract text is available yet for this article.
December 2, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27912252/impact-of-stretching-on-the-performance-and-injury-risk-of-long-distance-runners
#14
Claire Baxter, Lars R Mc Naughton, Andy Sparks, Lynda Norton, David Bentley
Stretching, either prior to exercise or at the end, or both, is typically carried out by all individuals undertaking sporting activity whether they be elite or recreational athletes. The many forms of stretching available to the athlete, either passive or active, have long been thought to improve performance, decrease injury and generally be advantageous to the athlete. This review examines the current state of the literature and evaluates what athletes can and should do with respect to this controversial topic...
December 2, 2016: Research in Sports Medicine
https://www.readbyqxmd.com/read/27910804/sudden-cardiac-death-a-nationwide-cohort-study-among-the-young
#15
Bjarke Risgaard
Sudden cardiac death (SCD) is a tragic event affecting millions of individuals worldwide. Although several studies have investigated the epidemiology of SCD, these studies may have been affected by reporting and referral biases, which are reflected in the very different incidence rates and causes of deaths that have previously been reported. Among SCD victims aged < 36 years, inherited cardiac diseases are well known to play an important role. However, the extent to which inherited cardiac diseases also play a role in SCD victims aged < 50 years has not been completely described...
December 2016: Danish Medical Journal
https://www.readbyqxmd.com/read/27909408/reliability-validity-and-usefulness-of-30-15-intermittent-fitness-test-in-female-soccer-players
#16
Nedim Čović, Eldin Jelešković, Haris Alić, Izet Rađo, Erduan Kafedžić, Goran Sporiš, Daniel T McMaster, Zoran Milanović
PURPOSE: The aim of this study was to examine the reliability, validity and usefulness of the 30-15IFT in competitive female soccer players. METHODS: Seventeen elite female soccer players participated in the study. A within subject test-retest study design was utilized to assess the reliability of the 30-15 intermittent fitness test (IFT). Seven days prior to 30-15IFT, subjects performed a continuous aerobic running test (CT) under laboratory conditions to assess the criterion validity of the 30-15IFT. End running velocity (VCT and VIFT), peak heart rate (HRpeak) and maximal oxygen consumption (VO2max) were collected and/or estimated for both tests...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27909377/association-between-body-composition-and-sport-injury-in-canadian-adolescents
#17
Allison M Ezzat, Amy Schneeberg, Mieke Koehoorn, Carolyn A Emery
Purpose: To examine the association between overweight or obesity and sport injury in a population-based sample of Canadian adolescents. Methods: Cross-sectional analyses were performed using the Canadian Community Health Survey (2009-2010), a nationally representative sample (n=12,407) of adolescents aged 12-19 years. Body composition was quantified using BMI, grouping participants into healthy weight, overweight, or obese. The outcome of interest was acute or repetitive strain injury sustained during sport in the previous year...
2016: Physiotherapy Canada. Physiothérapie Canada
https://www.readbyqxmd.com/read/27908650/musculoskeletal-conditions-in-a-pediatric-population-with-ehlers-danlos-syndrome
#18
Courtney M Stern, Michael J Pepin, Joan M Stoler, Dennis E Kramer, Samantha A Spencer, Cynthia J Stein
OBJECTIVE: To describe musculoskeletal conditions in children with Ehlers-Danlos syndrome (EDS). STUDY DESIGN: A retrospective medical record review was performed, which evaluated 205 patients with EDS (ages 6-19 years) seen in sports medicine or orthopedic clinic at a large pediatric hospital over a 5-year period. RESULTS: Female (n = 147) and male (n = 57) patients were identified (mean age 12.7 years). The most common EDS subtype (55...
November 28, 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27906965/do-elite-and-amateur-soccer-players-outperform-non-athletes-on-neurocognitive-functioning-a-study-among-8-12-year-old-children
#19
Lot Verburgh, Erik J A Scherder, Paul A M Van Lange, Jaap Oosterlaan
AIM: Research suggested a positive association between physical fitness and neurocognitive functioning in children. Aim of the present study is to investigate possible dose-response relationships between diverse daily physical activities and a broad range of neurocognitive functions in preadolescent children. Furthermore, the relationship between several sedentary behaviours, including TV-watching, gaming and computer time, and neurocognitive functioning will be investigated in this group of children...
2016: PloS One
https://www.readbyqxmd.com/read/27905859/baseline-neurocognitive-performance-and-clearance-for-athletes-to-return-to-contact
#20
Breton M Asken, James R Clugston, Aliyah R Snyder, Russell M Bauer
CONTEXT:  Computerized neurocognitive assessments are commonly used to manage sport-related concussion. Variations in baseline performance may influence neurocognitive performance after injury as well as the amount of time needed for an athlete to be cleared for return to sport participation. OBJECTIVE:  To investigate the relationship between mean baseline Immediate Post-Concussion Assessment and Cognitive Test (ImPACT) scores and postconcussion reliable decline as well as the association between postconcussion cognitive decline and days missed after injury...
December 1, 2016: Journal of Athletic Training
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