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https://www.readbyqxmd.com/read/29144831/attention-deficit-hyperactivity-disorder-unique-considerations-in-athletes
#1
Chaney G Stewman, Catherine Liebman, Laura Fink, Brad Sandella
CONTEXT: Attention deficit hyperactivity disorder (ADHD) is a common psychiatric condition in the general population, with evidence suggesting that it may be more common among athletes. EVIDENCE ACQUISITION: Literature searches were performed on PubMed, MEDLINE, and Cochrane databases for the years 2000 to 2016 utilizing the following key search terms: ADHD, ADD, guidelines, diagnosis, athlete, sports, treatment, pharmacotherapy, stimulants, risk, cardiovascular effects, concussion, and traumatic brain injury (TBI)...
November 1, 2017: Sports Health
https://www.readbyqxmd.com/read/29140186/acute-effect-of-two-self-myofascial-release-protocols-on-hip-and-ankle-range-of-motion
#2
Amandda de Souza, Cristiano Gomes Sanchotene, Cristiano Moreira da Silva Lopes, Jader Alfredo Beck, Affonso Celso Kulevicz da Silva, Suzana Matheus Pereira, Caroline Ruschel
CONTEXT: Self-myofascial release (SMR) is an intervention popularly used by rehabilitation, fitness, and sports professionals to improve recovery and performance. In SMR, the athlete/patient himself applies pressure to the muscle and fascia, using various tools such as balls, rods, foam rolls and massagers. OBJECTIVE: This study aimed to evaluate the acute effect of two SMR protocols (short- and long-term) of the posterior thigh and calf muscles on hip and ankle range of motion (ROM) in physically active men...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29140183/full-title-examining-the-presence-of-back-pain-in-competitive-athletes-a-focus-on-stress-and-recovery
#3
Jahan Heidari, Johanna Belz, Monika Hasenbring, Jens Kleinert, Claudia Levenig, Michael Kellmann
Context - Explanatory approaches for back pain (BP) in athletes focus on biomechanical factors while neglecting psychological perspectives. Psychological factors have gained importance in the prediction of injuries in athletes and BP in the general population, with stress and recovery emerging as central risk factors. However, scarce evidence exists regarding the role of these aspects for the prevalent burden of back pain (BP). Objective - To investigate the association between stress and recovery parameters and the presence of BP...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29135639/sleep-and-athletic-performance
#4
Andrew M Watson
Sleep is an essential component of health and well-being, with significant impacts on physical development, emotional regulation, cognitive performance, and quality of life. Along with being an integral part of the recovery and adaptive process between bouts of exercise, accumulating evidence suggests that increased sleep duration and improved sleep quality in athletes are associated with improved performance and competitive success. In addition, better sleep may reduce the risk of both injury and illness in athletes, not only optimizing health but also potentially enhancing performance through increased participation in training...
November 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/29129021/the-effect-of-natural-or-simulated-altitude-training-on-high-intensity-intermittent-running-performance-in-team-sport-athletes-a-meta-analysis
#5
REVIEW
Michael J Hamlin, Catherine A Lizamore, Will G Hopkins
BACKGROUND: While adaptation to hypoxia at natural or simulated altitude has long been used with endurance athletes, it has only recently gained popularity for team-sport athletes. OBJECTIVE: To analyse the effect of hypoxic interventions on high-intensity intermittent running performance in team-sport athletes. METHODS: A systematic literature search of five journal databases was performed. Percent change in performance (distance covered) in the Yo-Yo intermittent recovery test (level 1 and level 2 were used without differentiation) in hypoxic (natural or simulated altitude) and control (sea level or normoxic placebo) groups was meta-analyzed with a mixed model...
November 11, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29111625/performance-and-reliability-of-the-y-balance-testtm-in-high-school-athletes
#6
Laura J Smith, James R Creps, Ryan Bean, Becky Rodda, Bara Alsalaheen
BACKGROUND: Lower extremity injuries account for 32.9% of the overall injuries in high school athletes. Previous research has suggested that asymmetry greater than 4cm using the Y-Balance TestTM Lower Quarter (YBT-LQ) in the anterior direction is predictive of non- contact injuries in adults and collegiate athletes. The prevalence of asymmetries or abnormal YBT-LQ performance is not well documented for adolescents. The primary purposes of this study are: 1) to characterize the prevalence of YBT-LQ asymmetries and performance in a cross-sectional sample of adolescents, 2) to examine possible differences in performance on the YBT-LQ between male and female adolescents, and 3) to describe the test-retest reliability of the YBT-LQ in a subsample of adolescents...
November 7, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29098657/post-exercise-ingestion-of-carbohydrate-protein-and-water-a-systematic-review-and-meta-analysis-for-effects-on-subsequent-athletic-performance
#7
REVIEW
Danielle McCartney, Ben Desbrow, Christopher Irwin
BACKGROUND: Athletes may complete consecutive exercise sessions with limited recovery time between bouts (e.g. ≤ 4 h). Nutritional strategies that optimise post-exercise recovery in these situations are therefore important. OBJECTIVE: This two-part review investigated the effect of consuming carbohydrate (CHO) and protein with water (W) following exercise on subsequent athletic (endurance/anaerobic exercise) performance. DATA SOURCES: Studies were identified by searching the online databases SPORTDiscus, PubMed, Web of Science and Scopus...
November 2, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29093794/minimally-invasive-versus-conventional-repair-of-spondylolysis-in-athletes-a-review-of-outcomes-and-return-to-play
#8
REVIEW
John Paul G Kolcun, Lee Onn Chieng, Karthik Madhavan, Michael Y Wang
Spondylolysis from pars fracture is a common injury among young athletes, which can limit activity and cause chronic back pain. While current literature has examined the relative benefits of surgical and conservative management of these injuries, no study has yet compared outcomes between conventional direct repair of pars defects and modern minimally invasive procedures. The goals of surgery are pain resolution, return to play at previous levels of activity, and a shorter course of recovery. In this review, the authors have attempted to quantify any differences in outcome between patients treated with conventional or minimally invasive techniques...
October 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/29091524/postural-control-and-head-impact-exposure-in-youth-football-players-comparison-of-the-balance-error-scoring-system-and-a-force-plate-protocol
#9
Eamon T Campolettano, Gunnar Brolinson, Steven Rowson
Postural control testing is often used by clinicians and athletic trainers to assess the health of athletes during recovery from a concussion. Characterization of postural control as a clinical tool for use with youth athletes is limited though. The objective of this study was to compare performance on the Balance Error Scoring System (BESS) and a force plate protocol at the beginning and end of a season of football within a cohort of 34 healthy youth football players (average age of 9.9 ± 0.6 years). A secondary aim was to investigate if changes in measures of balance from the postseason to the preseason were correlated with head impact exposure...
November 1, 2017: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/29084097/differential-effects-of-different-warm-up-protocols-on-repeated-sprints-induced-muscle-damage
#10
Che-Hsiu Chen, Xin Ye, Yi-Tse Wang, Yung-Sheng Chen, Wei-Chin Tseng
The purpose of this investigation was to examine whether adding a set of hamstring resistance exercise or dynamic stretching to a regular running-based warm-up before a bout of repeated sprints provides protective effects against the sprinting-induced muscle damage. Twelve elite tennis players participated in this study. After the familiarization, subjects completed 3 separate randomly sequenced experimental visits, during which 3 different warm-up interventions were performed before the muscle-damaging protocol (12 sets of 30-m maximal repeated sprints): 5 minutes of running (control); control with single leg slide curl (SLC); and control with active hamstring stretching (AHS)...
October 27, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29083355/neuromuscular-recovery-in-acl-reconstruction-with-bone-tendon-patellar-bone-and-semitendinosus-gracilis-autograft
#11
Andrea Pasquini, Marco Jacopetti, Francesco Pogliacomi, Ileana Ramazzina, Cosimo Costantino
OBJECTIVE: Several different types of grafts have been used in ACL rupture. The purpose of the study was to compare the recovery of lower limbs muscle strength and proprioception in athletes, who underwent ACL reconstruction with Bone-Patellar-Tendon-Bone (BPTB) versus semitendinosus and gracilis (HS) autografts. METHODS: We enrolled 30 male amateur athletes. Each patient was evaluated by isokinetic test, triaxial accelerometer test and balance test with stabilometric platform...
October 18, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29082055/quadriceps-tendon-rupture-in-an-adolescent-athlete
#12
William A Zuke, Beatrice Go, Alexander E Weber, Brian Forsythe
Quadriceps tendon rupture is an uncommon injury that usually occurs in middle-aged and elderly men with a history of chronic illnesses. We report the case of a 17-year-old healthy adolescent male baseball player who sustained this injury as a result of sudden deceleration in his left knee. He initially reported to the emergency department and then presented to our practice, where he was diagnosed with a quadriceps tendon tear. Preoperatively, he was unable to perform a single straight-leg raise. During surgical repair, the free edge of the quadriceps tendon was mobilized and anchored into the superior pole of the patella, followed by sutures to ensure reinforcement of the quadriceps footprint...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/29077022/effects-of-creatine-supplementation-on-muscle-strength-and-optimal-individual-post-activation-potentiation-time-of-the-upper-body-in-canoeists
#13
Chia-Chi Wang, Shu-Cheng Lin, Shu-Ching Hsu, Ming-Ta Yang, Kuei-Hui Chan
Creatine supplementation reduces the impact of muscle fatigue on post-activation potentiation (PAP) of the lower body, but its effects on the upper body remain unknown. This study examined the effects of creatine supplementation on muscle strength, explosive power, and optimal individual PAP time of the upper body during a set of complex training bouts in canoeists. Seventeen male high school canoeists performed a bench row for one repetition at maximum strength and conducted complex training bouts to determine the optimal individual timing of PAP and distance of overhead medicine ball throw before and after the supplementation...
October 27, 2017: Nutrients
https://www.readbyqxmd.com/read/29076961/six-sessions-of-sprint-interval-training-improves-running-performance-in-trained-athletes
#14
Jerome Koral, Dustin J Oranchuk, Roberto Herrera, Guillaume Y Millet
Sprint interval training (SIT) is gaining popularity with endurance athletes. Various studies have shown that SIT allows similar or greater endurance, strength, and power performance improvements than traditional endurance training, but demands less time and volume. One of the main limitations in SIT research is that most studies were performed in a laboratory using expensive treadmills or ergometers. The aim of this study was to assess the performance effects of a novel short term and highly accessible training protocol based on maximal shuttle runs in the field (SIT-F)...
October 20, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29072537/sleep-training-load-and-performance-in-elite-female-gymnasts
#15
J Dumortier, A Mariman, J Boone, L Delesie, E Tobback, D Vogelaers, J G Bourgois
Training load (TL) and recovery should be in optimal balance to obtain maximal performance gains. We aimed to study sleep as a recovery technique and its relationship with TL and performance in elite athletes. Twenty-six elite female artistic gymnasts were divided into an under 13 (n = 6), an under 14 (n = 6), a junior (n = 7; 14-15y) and a senior (=World Championship (WC) competitors, n = 7; ≥16y) category. Sleep, through sleep logs, and training parameters, using the session Rate of Perceived Exertion (sRPE) scale, were monitored to calculate total sleep time (TST), sleep efficiency (SE), TL, monotony and strain...
October 26, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/29068603/differences-in-echocardiography-blood-pressure-stroke-volume-maximal-power-and-profile-of-genes-related-to-cardiac-hypertrophy-in-elite-road-cyclists
#16
Grażyna Janikowska, Aleksandra Żebrowska, Aleksandra Kochańska-Dziurowicz, Urszula Mazurek
BACKGROUND: Regular and moderate exercise is beneficial for improving the efficiency of the heart, but high-intensity physical activity may result in cardiac changes. OBJECTIVES: This study focuses on the identification of the differences in echocardiography and blood variables before exercise, as well as the genes associated with cardiac hypertrophy at rest and in response to graded exercise test. MATERIAL AND METHODS: The study group was made up of 28 road cyclists...
September 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29065805/acute-white-matter-abnormalities-in-sports-related-concussion-a-diffusion-tensor-imaging-study-from-the-ncaa-dod-care-consortium
#17
Sourajit Mitra Mustafi, Jaroslaw Harezlak, Kevin M Koch, Andrew S Nencka, Timothy Meier, John D West, Christopher C Giza, John DiFiori, Kevin K Guskiewicz, Jason Mihalik, Stephen M LaConte, Stefan M Duma, Steven P Broglio, Andrew J Saykin, Michael McCrea, Thomas McAllister, Yu-Chien Wu
Sport-related concussion (SRC) is an important public health issue. While standardized assessment tools are useful in the clinical management of acute concussion, the underlying pathophysiology of SRC and the time course of physiological recovery after injury remain unclear. In this study, we used diffusion tensor imaging (DTI) to detect white-matter alterations in football players within 48 hours after SRC. As part of the NCAA-DoD CARE Consortium study of SRC, 30 American football players diagnosed with acute concussion, and 28 matched controls received clinical assessments and underwent advanced MRI scans...
October 25, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29060128/acute-effects-of-incremental-exercise-on-central-hemodynamics-in-young-basketball-athletes
#18
Yahui Zhang, Lin Qi, Lisheng Xu, Yang Yao, Wenlong Lv, Chenglin Du
Acute effects of competitive sports on central hemodynamics are controversial. This study was aimed to evaluate acute effects of incremental exercise on central hemodynamics in young basketball athletes during 1-hour recovery. Fifteen young basketball athletes and fifteen controls underwent the acquisition of peripheral and central blood pressure before exercise and at 0, 5, 10, 15, 20, 30, 40, 50, 60 min after incremental exercise. The incremental exercise was performed by Bruce test. Aortic systolic pressure (ASP), sub-endocardial viability ratio and stroke volume were significantly higher in athletes at all time points measured before and after exercise (P<;0...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29035607/accuracy-of-w-recovery-kinetics-in-high-performance-cyclists-modelling-intermittent-work-capacity
#19
Jason C Bartram, Dominic Thewlis, David T Martin, Kevin I Norton
PURPOSE: With knowledge of an individual's critical power (CP) and W' the SKIBA 2 model provides a framework with which to track W' balance during intermittent high intensity work bouts. There are fears the time constant controlling the recovery rate of W' (τW') may require refinement to enable effective use in an elite population. METHODS: Four elite endurance cyclists completed an array of intermittent exercise protocols to volitional exhaustion. Each protocol lasted approximately 3...
October 16, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29035595/the-influence-of-physical-qualities-on-activity-profiles-of-female-australian-football-match-play
#20
Georgia M Black, Tim J Gabbett, Rich D Johnston, Michael H Cole, Geraldine Naughton, Brian Dawson
PURPOSE: The rapid transition of female Australian football players from amateur to semi-elite competitions has the potential for athletes to be underprepared for match-play. To gain an understanding the match demands of female football, the aims of this study were three-fold: (1) to highlight the physical qualities that discriminate selected and non-selected female Australian Football players, (2) to investigate activity profiles of female Australian Football players, and (3) to gain an understanding of the influence of physical qualities on running performance in female Australian Football match-play...
October 16, 2017: International Journal of Sports Physiology and Performance
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