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https://www.readbyqxmd.com/read/28421004/neurosensory-and-cognitive-modifications-in-europe-s-toughest-randoraid-competition-the-transpyr%C3%A3-n%C3%A3-a-extreme-study
#1
Alessandro Tonacci, Simona Mrakic-Sposta, Kristian Ujka, Francesco Sansone, Alice Ferrisi, Guido Giardini, Raffaele Conte, Lorenza Pratali
Introduction: Given the wide proliferation of ultra-long endurance races, it is important to understand the physiological response of the athletes to improve their safety. We evaluated the cognitive and neurosensory effects on ultra-endurance athletes during the Transpyrénéa (866 Km, 65,000 m positive slope), held on the French Pyrenees. Materials and Methods: 40 athletes were enrolled (age 43.8 ± 8.8 years; 36 males). Olfactory and cognitive tests were performed before the race (T0, n = 40), at 166 kms (T1, n = 28), at 418 kms (T2, n = 20), and after the race (T3, 866 kms, n = 13)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28398168/pre-game-perceived-wellness-highly-associates-with-match-running-performances-during-an-international-field-hockey-tournament
#2
Mohammed Ihsan, Frankie Tan, Sofyan Sahrom, Hui Cheng Choo, Michael Chia, Abdul Rashid Aziz
This study examined the associations between pre-game wellness and changes in match running performance normalised to either (i) playing time, (ii) post-match RPE or (iii) both playing time and post-match RPE, over the course of a field hockey tournament. Twelve male hockey players were equipped with global positioning system (GPS) units while competing in an international tournament (six matches over 9 days). The following GPS-derived variables, total distance (TD), low-intensity activity (LIA; <15 km/h), high-intensity running (HIR; >15 km/h), high-intensity accelerations (HIACC; >2 m/s(2)) and decelerations (HIDEC; >-2 m/s(2)) were acquired and normalised to either (i) playing time, (ii) post-match RPE or (iii) both playing time and post-match RPE...
June 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28385561/a-multifactorial-evaluation-of-illness-risk-factors-in-athletes-preparing-for-the-summer-olympic-games
#3
Michael K Drew, Nicole Vlahovich, David Hughes, Renee Appaneal, Kirsten Peterson, Louise Burke, Bronwen Lundy, Mary Toomey, David Watts, Gregory Lovell, Stephan Praet, Shona Halson, Candice Colbey, Silvia Manzanero, Marijke Welvaert, Nic West, David B Pyne, Gordon Waddington
OBJECTIVES: Illness can disrupt training and competition performance of athletes. Few studies have quantified the relative contribution of the known medical, behavioural and lifestyle risk factors. DESIGN: Cross-sectional. METHODS: Olympic athletes from 11 sports (n=221) were invited to complete questionnaires administered nine months before the Rio 2016 Olympic Games. These included the Depression, Anxiety and Stress Questionnaire (DASS-21), Perceived Stress Scale (PSS), Dispositional Resilience Scale (DRS), Recovery-Stress Questionnaire (REST-Q-52 item), Low Energy in Females Questionnaire (LEAF-Q), a modified Personal and Household Hygiene questionnaire, Epworth Sleepiness Scale, Pittsburgh Sleep Quality Index, and custom-made questionnaires on probiotic usage and travel...
March 21, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28334382/concussion-like-symptom-reporting-in-non-concussed-collegiate-athletes
#4
Breton M Asken, Aliyah R Snyder, James R Clugston, Leslie S Gaynor, Molly J Sullan, Russell M Bauer
Objective: Non-concussed individuals may report a variety of concussion-like symptoms even in the absence of a diagnosed brain injury. Previous studies described concussion-like symptom reporting in adolescent athletes. This study provides complementary data on concussion-like symptoms in collegiate athletes. Methods: We analyzed baseline symptom scales from 738 collegiate athletes (452 men and 286 women) who completed either the Sport Concussion Assessment Tool, 3 Symptom Evaluation (S3SE; n = 377) or the Post-Concussion Scale (PCS; n = 361) and determined if subjects met criteria for diagnosis of International Classification of Diseases 10th Revision (ICD-10) postconcussional syndrome...
March 10, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28328717/perceived-sleep-quality-mood-states-and-their-relationship-with-performance-among-brazilian-elite-athletes-during-a-competitive-period
#5
Ricardo Brandt, Guilherme G Bevilacqua, Alexandro Andrade
Brandt, R, Bevilacqua, GG, and Andrade, A. Perceived sleep quality, mood states, and their relationship with performance among Brazilian elite athletes during a competitive period. J Strength Cond Res 31(4): 1033-1039, 2017-We described the perceived sleep quality and mood states of elite athletes during a competitive period, and clarified their relationship to athletes' sport performance. Participants were 576 Brazilian elite athletes (404 men and 172 women) of individual and team sports. Mood states were evaluated using the Brunel Mood Scale, whereas perceived sleep quality was evaluated using a single question ("How would you evaluate the quality of your sleep in the last few days?")...
April 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28306130/brain-connectivity-is-altered-by-extreme-physical-exercise-during-non-rem-sleep-and-wakefulness-indications-from-eeg-and-fmri-studies
#6
D Menicucci, C Gentili, A Piarulli, M Laurino, S Pellegrini, F Mastorci, R Bedini, D Montanaro, L Sebastiani, A Gemignani
Brain connectivity is associated to behavioral states (e.g. wake, sleep) and modified by physical activity although, to date, it is not clear which components (e.g. hypothalamus-pituitary-adrenal axis hormones, cytokines) associated to the exercise are involved. In this pilot study, we used extreme exercise (UltraTriathlon) as a model to investigate physical-activity-related changes of brain connectivity. We studied post-race brain synchronization during wakefulness and sleep as well as possible correlations between exercise-related cytokines/hormones and synchronization features...
December 1, 2016: Archives Italiennes de Biologie
https://www.readbyqxmd.com/read/28303338/blood-glucose-kinetics-and-physiological-changes-in-a-type-1-diabetic-finisher-of-the-ultraman-triathlon-a-case-study
#7
Christopher W Bach, Daniel A Baur, William S Hyder, Michael J Ormsbee
PURPOSE: To investigate the blood glucose kinetics and physiological effects experienced by a type 1 diabetic (T1D) finisher of a 3-day, multi-stage ultra endurance triathlon consisting of a 10 km swim and 144.8 km bike (stage 1), a 275.4 km bike (stage 2), and an 84.4 km run (stage 3). METHODS: The athlete self-monitored blood glucose (SMBG) levels via fingerstick blood draw and hand-held glucometer. Researchers evaluated blood glucose kinetics via a continuous glucose monitoring device...
March 16, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28296943/new-approaches-to-determine-fatigue-in-elite-athletes-during-intensified-training-resting-metabolic-rate-and-pacing-profile
#8
Amy L Woods, Laura A Garvican-Lewis, Bronwen Lundy, Anthony J Rice, Kevin G Thompson
BACKGROUND: Elite rowers complete a high volume of training across a number of modalities to prepare for competition, including periods of intensified load, which may lead to fatigue and short-term performance decrements. As yet, the influence of substantial fatigue on resting metabolic rate (RMR) and exercise regulation (pacing), and their subsequent utility as monitoring parameters, has not been explicitly investigated in elite endurance athletes. METHOD: Ten National-level rowers completed a four-week period of intensified training...
2017: PloS One
https://www.readbyqxmd.com/read/28287684/the-value-of-sleep-on-athletic-performance-injury-and-recovery-in-the-young-athlete
#9
Elizabeth A Copenhaver, Alex B Diamond
Adequate sleep can easily become compromised as student-athletes try to balance the multiple demands on their time. People with sleep deficiency are at increased risk for acute illnesses, traumatic sports injuries, and development of chronic diseases. Training sessions or competitions during extremely early or late hours can interfere with circadian and homeostatic rhythms. Adjusting the training schedule to improve sleep duration has a significantly positive impact on several aspects of athletic performance...
March 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28282750/evening-electronic-device-use-the-effects-on-alertness-sleep-and-next-day-physical-performance-in-athletes
#10
Maddison J Jones, Peter Peeling, Brian Dawson, Shona Halson, Joanna Miller, Ian Dunican, Michael Clarke, Carmel Goodman, Peter Eastwood
The aim of the present study was to investigate the influence of different types of tasks performed with or without an electronic device (tablet) on pre-sleep alertness, subsequent sleep quality and next-day athletic performance. Eight highly trained netball players attended a sleep laboratory for pre-sleep testing, polysomnographic sleep monitoring and next-day physical performance testing on 5 separate occasions (1 familiarisation and 4 experimental sessions). For 2 h prior to bedtime, athletes completed cognitively stimulating tasks (puzzles) or passive tasks (reading) with or without a tablet...
February 14, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28279844/practices-attitudes-towards-recovery-in-elite-asian-uk-adolescent-athletes
#11
Andrew M Murray, Anthony P Turner, John Sproule, Marco Cardinale
OBJECTIVES: Assess current practice and attitudes towards recovery in adolescent athletes. DESIGN: Questionnaires were administered either via print or online questionnaire. PARTICIPANTS: Athletes and coaches from within Asia were surveyed (n = 112 & 53), with a comparative sample in the UK (n = 53 & 8). MAIN OUTCOME MEASURES: The approaches and attitudes to recovery in both training and competition. RESULTS: Adolescent athletes perceive a variety of recovery modalities as important, though prioritise active recovery, nutrition and sleep...
December 23, 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28277424/comparing-performance-during-morning-vs-afternoon-training-sessions-in-intercollegiate-basketball-players
#12
Aaron D Heishman, Michael A Curtis, Ethan Saliba, Robert J Hornett, Steven K Malin, Arthur L Weltman
Time of day is a key factor that influences the optimization of athletic performance. Intercollegiate coaches oftentimes hold early morning strength training sessions for a variety of factors including convenience. However, few studies have specifically investigated the effect of early morning vs. late afternoon strength training on performance indices of fatigue. This is athletically important because circadian/ultradian rhythms and alterations in sleep patterns can impact training ability. Therefore, the purpose of the present study was to examine the effects of morning vs...
March 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28271579/self-reported-sleep-quantity-quality-and-sleep-hygiene-in-elite-athletes
#13
Melanie Knufinke, Arne Nieuwenhuys, Sabine A E Geurts, Anton M L Coenen, Michiel A J Kompier
Sleep is essential for recovery and performance in elite athletes. While actigraphy-based studies revealed suboptimal sleep in athletes, information on their subjective experience of sleep is scarce. Relatively unexplored is also the extent to which athletes' sleep is adversely affected by environmental conditions and daytime behaviours, that is sleep hygiene. This study aimed to provide insight in sleep quantity, quality and its putative association with sleep hygiene. Participants were 98 elite (youth) athletes competing at the highest (inter-)national level...
March 8, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28266824/cardiovascular-disease-update-bradyarrhythmias
#14
Craig Barstow, Johnathan D McDivitt
Bradyarrhythmia (bradycardia) is a heart rate lower than 60 beats/min. It can be due to sinus, atrial, or junctional bradycardia or to a problem with the conduction system (eg, an atrioventricular block). Asymptomatic bradycardia is common, especially among trained athletes or during sleep. Bradycardia symptoms can include syncope, dizziness, chest pain, dyspnea, or fatigue. It is important to determine during the evaluation if bradycardia is the cause of the patient's symptoms. In the acute setting, symptomatic patients should be treated with atropine...
March 2017: FP Essentials
https://www.readbyqxmd.com/read/28253061/a-comparative-study-of-sleep-and-mood-between-young-elite-athletes-and-age-matched-controls
#15
Anette Harris, Hilde Gundersen, Pia Mørk Andreassen, Eirunn Thun, Bjørn Bjorvatn, Ståle Pallesen
BACKGROUND: Sleep and mood have seldom been compared between elite athletes and non-elite athletes, although potential differences suggest that physical activity may affect these parameters. This study aims to explore whether adolescent elite athletes differ from controls in terms of sleep, positive affect (PA) and negative affect (NA). METHODS: Forty-eight elite athletes and 26 controls participating in organized and non-organized sport completed a questionnaire, and a seven-day sleep diary...
March 2, 2017: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/28213614/reproductive-dysfunction-and-associated-pathology-in-women-undergoing-military-training
#16
REVIEW
Robert M Gifford, R M Reynolds, J Greeves, R A Anderson, D R Woods
INTRODUCTION: Evidence from civilian athletes raises the question of whether reproductive dysfunction may be seen in female soldiers as a result of military training. Such reproductive dysfunction consists of impaired ovulation with or without long-term subfertility. METHODS: A critical review of pertinent evidence following an extensive literature search. RESULTS: The evidence points towards reduced energy availability as the most likely explanation for exercise-induced reproductive dysfunction...
February 17, 2017: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/28207969/multiple-factors-explain-injury-risk-in-adolescent-elite-athletes-applying-a-biopsychosocial-perspective
#17
P von Rosen, A Frohm, A Kottorp, C Fridén, A Heijne
Many risk factors for injury are presented in the literature, few of those are however consistent and the majority is associated with adult and not adolescent elite athletes. The aim was to identify risk factors for injury in adolescent elite athletes, by applying a biopsychosocial approach. A total of 496 adolescent elite athletes (age range 15-19), participating in 16 different sports, were monitored repeatedly over 52 weeks using a valid questionnaire about injuries, training exposure, sleep, stress, nutrition, and competence-based self-esteem...
February 16, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28190825/excessive-game-playing-is-associated-with-poor-toothbrushing-behavior-among-athletic-children-a-cross-sectional-study-in-miyagi-japan
#18
Masahiro Tsuchiya, Haruki Momma, Takuya Sekiguchi, Kaoru Kuroki, Kenji Kanazawa, Makoto Watanabe, Yoshihiro Hagiwara, Ryoichi Nagatomi
Dental problems among athletes have been cautioned due to negative impacts not only on their oral health but also on athletic performance. Acquirement of appropriate oral health behavior mainly composed of toothbrushing in childhood can be one of the most important strategies for advancing children's athletic possibilities. Although habits of screen viewing, including game playing, and TV viewing have direct impacts on children's health and behavioral development, little is known about the association between these habits and toothbrushing frequency...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28169152/sleep-patterns-and-match-performance-in-elite-australian-basketball-athletes
#19
Craig Staunton, Brett Gordon, Edhem Custovic, Jonathan Stanger, Michael Kingsley
OBJECTIVES: To assess sleep patterns and associations between sleep and match performance in elite Australian female basketball players. DESIGN: Prospective cohort study. METHODS: Seventeen elite female basketball players were monitored across two consecutive in-season competitions (30 weeks). Total sleep time and sleep efficiency were determined using triaxial accelerometers for Baseline, Pre-match, Match-day and Post-match timings. Match performance was determined using the basketball efficiency statistic (EFF)...
January 24, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28167303/psychological-and-lifestyle-factors-that-influence-the-serial%C3%A2-reporting-of-postconcussion-like-symptoms-in-a-nonconcussed-population
#20
Arun Prasad Balasundaram, Josie Athens, Anthony Gerard Schneiders, Paul McCrory, Stephen John Sullivan
BACKGROUND: Symptoms related to concussion are generally found to be nonspecific in nature, as they are also reported by nonconcussed individuals. What is currently not known is whether the symptoms vary over time, and whether they are also influenced by a multitude of factors. OBJECTIVE: The aim of this study was to investigate the potential influence of psychological, lifestyle, and situational factors on the change in postconcussion-like symptoms reported over 7 consecutive days in a cohort of normal individuals...
February 4, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
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