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https://www.readbyqxmd.com/read/29140183/full-title-examining-the-presence-of-back-pain-in-competitive-athletes-a-focus-on-stress-and-recovery
#1
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
#2
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/29129022/heat-acclimation-decay-and-re-induction-a-systematic-review-and-meta-analysis
#3
REVIEW
Hein A M Daanen, Sebastien Racinais, Julien D Périard
BACKGROUND: Although the acquisition of heat acclimation (HA) is well-documented, less is known about HA decay (HAD) and heat re-acclimation (HRA). The available literature suggests 1 day of HA is lost following 2 days of HAD. Understanding this relationship has the potential to impact upon the manner in which athletes prepare for major competitions, as a HA regimen may be disruptive during final preparations (i.e., taper). OBJECTIVE: The aim of this systematic review and meta-analysis was to determine the rate of HAD and HRA in three of the main physiological adaptations occurring during HA: heart rate (HR), core temperature (T c), and sweat rate (SR)...
November 11, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29124507/pre-performance-physiological-state-heart-rate-variability-as-a-predictor-of-shooting-performance
#4
E Ortega, C J K Wang
Heart rate variability (HRV) is commonly used in sport science for monitoring the physiology of athletes but not as an indicator of physiological state from a psychological perspective. Since HRV is established to be an indicator of emotional responding, it could be an objective means of quantifying an athlete's subjective physiological state before competition. A total of 61 sport shooters participated in this study, of which 21 were novice shooters, 19 were intermediate shooters, and 21 were advanced level shooters...
November 10, 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/29119418/low-level-laser-therapy-improves-the-vo2-kinetics-in-competitive-cyclists
#5
Fábio J Lanferdini, Renata L Krüger, Bruno M Baroni, Caetano Lazzari, Pedro Figueiredo, Alvaro Reischak-Oliveira, Marco A Vaz
Some evidence supports that low-level laser therapy (LLLT) reduces neuromuscular fatigue, so incrementing sports performance. A previous randomized controlled trial of our group showed increased exercise tolerance in male competitive cyclists treated with three different LLLT doses (3, 6, and 9 J/diode; or 135, 270, and 405 J/thigh) before time-to-exhaustion cycling tests. Now, the present study was designed to evaluate the effects of these LLLT doses on the VO2 kinetics of athletes during cycling tests. Twenty male competitive cyclists (29 years) participated in a crossover, randomized, double-blind, and placebo-controlled trial...
November 9, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29112054/lower-extremity-stiffness-considerations-for-testing-performance-enhancement-and-injury-risk
#6
Jon Brazier, Sean Maloney, Chris Bishop, Paul J Read, Anthony N Turner
Brazier, J, Maloney, S, Bishop, C, Read, PJ, and Turner, AN. Lower extremity stiffness: considerations for testing, performance enhancement, and injury risk. J Strength Cond Res XX(X): 000-000, 2017-Force-deformation characteristics of the lower limb have been associated with athletic performance and may modulate the risk of injury. Despite these known associations, measurements of lower extremity stiffness are not commonly administered by strength and conditioning coaches. This review provides an overview of the available literature pertaining to the effects of lower extremity stiffness on physical performance and injury risk...
November 1, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29105628/enhanced-physical-endurance-and-improved-memory-performance-following-taurine-administration-in-rats
#7
Irfan Sajid, Saara Ahmad, Shaista Emad, Zehra Batool, Saima Khaliq, Lubna Anis, Saiqa Tabassum, Syeda Madiha, Laraib Liaquat, Sadia Sadir, Tahira Perveen, Saida Haider
Energy drinks enhance physical endurance and cognitive ability. The ingredients present in these drinks are considered as ergogenic and have memory boosting effects. In the present study effects of taurine administration for one week was monitored on physical exercise and memory performance in rats. Animals were divided into two groups namely control and test. Taurine was injected intraperitoneally to the test group at the dose of 100mg/kg. After one week of treatment rats were subjected to physical exercise and memory task...
September 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29099652/impact-of-short-compared-to-long-haul-international-travel-on-the-sleep-and-wellbeing-of-national-wheelchair-basketball-athletes
#8
Heidi R Thornton, Joanna Miller, Lee Taylor, Charli Sargent, Michele Lastella, Peter M Fowler
Currently, very little is known about the impact of short- or long-haul air travel on the sleep and wellbeing of wheelchair basketball athletes. Eleven national wheelchair basketball athletes wore actigraphy monitors prior, during, and after air travel to the United Kingdom. Upon arrival, participants rated their subjective jet-lag, fatigue, and vigor. Individuals traveled to the United Kingdom from different locations in Australia, the United States, and Europe and were categorised according to travel length [LONG (up to 30...
November 3, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29095037/the-heat-strain-of-various-athletic-surfaces-a-comparison-between-observed-and-modeled-wet-bulb-globe-temperatures
#9
J Luke Pryor, Riana R Pryor, Andrew Grundstein, Douglas J Casa
CONTEXT:   The National Athletic Trainers' Association recommends using onsite wet-bulb globe temperature (WBGT) measurement to determine whether to modify or cancel physical activity. However, not all practitioners do so and instead they may rely on the National Weather Service (NWS) to monitor weather conditions. OBJECTIVE:   To compare regional NWS WBGT estimates with local athletic-surface readings and compare WBGT measurements among various local athletic surfaces...
November 2, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/29091465/validity-of-the-online-athlete-management-system-to-assess-training-load
#10
Miranda J Menaspà, Paolo Menaspà, Sally A Clark, Maurizio Fanchini
PURPOSE: The aim of this study was to validate the quantification of training load (s-RPE) in an Australian Olympic squad (women's water polo), assessed with the use of a modified RPE scale collected via a newly developed online system (Athlete Management System, AMS). METHODS: Sixteen elite women water polo players (age 26 ± 3 y, height 1.78 ± 0.05 m, body mass 75.5 ± 7.1 kg) participated in the study. Thirty training sessions were monitored, for a total of 303 individual sessions...
November 1, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29074477/sport-sex-and-age-increase-risk-of-illness-at-the-rio-2016-summer-paralympic-games-a-prospective-cohort-study-of-51-198-athlete-days
#11
Wayne Derman, Martin P Schwellnus, Esme Jordaan, Phoebe Runciman, Cheri Blauwet, Nick Webborn, Jan Lexell, Peter Van de Vliet, Yetsa Tuakli-Wosornu, James Kissick, Jaap Stomphorst
OBJECTIVE: To describe the epidemiology of illness at the Rio 2016 Summer Paralympic Games. METHODS: A total of 3657 athletes from 78 countries, representing 83.5% of all athletes at the Games, were monitored on the web-based injury and illness surveillance system (WEB-IISS) over 51 198 athlete days during the Rio 2016 Summer Paralympic Games. Illness data were obtained daily from teams with their own medical support through the WEB-IISS electronic data capturing systems...
October 26, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29072537/sleep-training-load-and-performance-in-elite-female-gymnasts
#12
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/29072031/wellness-muscle-soreness-and-neuromuscular-performance-during-a-training-week-in-volleyball-athletes
#13
Francisco Tavares, Mário Simões, Bruno Matos, Tiaki B Smith, Matthew Driller
BACKGROUND: The purpose of the current study is to analyse the acute effects of volleyball training and to compare the responses of different perceptual and neuromuscular measures to overall training load. METHODS: The training load, wellness, neuromuscular performance and perceptual measures of soreness of 13 highly-trained volleyball athletes (18 ± 1 years; 187.1 ± 7.0 cm; 84.3 ± 10.3 kg) representing the Portugal under-19 national team were monitored during a training week...
October 24, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29071115/acceptability-and-perceptions-of-end-users-towards-an-online-sports-health-surveillance-system
#14
Saulo Delfino Barboza, Caroline Silveira Bolling, Joske Nauta, Willem van Mechelen, Evert Verhagen
AIM: To describe the acceptability and the perceptions of athletes and staff members (ie, end-users) towards an online sports-health surveillance system. METHODS: A pilot study with a mixed-methods approach was pursued. Descriptive analysis was conducted to present the adherence of judo (n=34), swimming (n=21) and volleyball (n=14) athletes to an online registration of their sport exposure and any health complaints between April 2014 and January 2015. End-users' perceptions towards the system were investigated qualitatively with semistructured interviews (n=21)...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29068864/monitoring-training-load-in-handcycling-a-case-study
#15
Sebastian Zeller, Thomas Abel, Heiko K Strueder
Zeller, S, Abel, T, and Strueder, HK. Monitoring training load in handcycling: a case study. J Strength Cond Res 31(11): 3094-3100, 2017-The aim of this study was to analyze the training intensity distribution (TID) and the total training load (TTL) for the first time in handcycling of a multiple female Paralympic medalist (lesion level: L2-3 incomplete, ASIA C, classification: WH5). This study focuses on the preparation and the competitive period of the 2015 season. The athlete completed 194 handcycling training sessions in a time of 433:53 hours, covering a total distance of 10...
November 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29060581/evidence-of-brain-functional-deficits-following-sport-related-mild-traumatic-brain-injury
#16
Tamanna Tabassum Khan Munia, Ali Haider, Reza Fazel-Rezai
Sport related mild traumatic brain injury (mTBI), generally known as a concussion, is a worldwide critical public health concern nowadays. Despite growing concern emphasized by scientific research and recent media presentation regarding mTBI and its effect in athletics life, the management, and prevention of mTBI are still not properly done. The evaluation mainly hampered due to the lack of proper knowledge, subjective nature of assessment tools including the fact that the brain functional deficits after mTBI can be mild or hidden...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29051906/intra-articular-physeal-fractures-of-the-distal-femur-a-frequently-missed-diagnosis-in-adolescent-athletes
#17
Andrew T Pennock, Henry B Ellis, Samuel C Willimon, Charles Wyatt, Samuel E Broida, M Morgan Dennis, Tracey Bastrom
BACKGROUND: Intra-articular physeal fractures of the distal femur are an uncommon injury pattern, with only a few small case series reported in the literature. PURPOSE: To pool patients from 3 high-volume pediatric centers to better understand this injury pattern, to determine outcomes of surgical treatment, and to assess risk factors for complications. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: A multicenter retrospective review of all patients presenting with an intra-articular physeal fracture between 2006 and 2016 was performed...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29045316/understanding-the-relationship-between-coach-and-athlete-perceptions-of-training-intensity-in-youth-sport
#18
Sean Scantlebury, Kevin Till, Tom Sawczuk, Jonathon Weakley, Ben Jones
To alleviate issues arising from the over/under prescription of training load, coaches must ensure that desired athlete responses to training are being achieved. The present study aimed to assess the level of agreement between the coach intended (pre-session) and observed (post-session) rating of perceived exertion (RPE), with athlete RPE during different training intensities (easy, moderate, hard). Coach intended RPE was taken prior to all field based training sessions over an 8 week in-season period. Following training, all coaches and athletes, whom were participants in hockey, netball, rugby and soccer were asked to provide an RPE measure for the completed session...
October 16, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29045074/detection-of-autologous-blood-transfusions-using-a-novel-dried-blood-spot-method
#19
Holly D Cox, Geoffrey D Miller, Auriella Lai, Dan Cushman, Daniel Eichner
In doping control laboratories, autologous blood transfusions are currently detected using an indirect method that monitors changes in an athlete's hemoglobin concentration [Hb] and reticulocyte percent (Ret%) over time. The method is limited by the need for a phlebotomist to collect venous blood and the limited blood stability which requires temperature-controlled shipment and analysis within 72 hours. These limitations significantly reduce the number of samples collected from each athlete and thus the utility of the method...
October 16, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/29043512/comparisons-of-perceived-training-doses-in-champion-collegiate-level-male-and-female-cross-country-runners-and-coaches-over-the-course-of-a-competitive-season
#20
Kyle R Barnes
BACKGROUND: Session rating of perceived exertion (sRPE) is a practical tool for coaches to assess internal training load of their athletes. In a sport like cross-country running, that is individual in nature, but has a team training and competition component, information about the association between external and internal load is lacking. Furthermore, there is a need for studies that examine perception of training doses across multiple training cycles including the competitive season as well as between male and female athletes...
October 17, 2017: Sports Medicine—Open
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