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https://www.readbyqxmd.com/read/29313445/body-composition-metabolism-sleep-psychological-and-eating-patterns-of-overtraining-syndrome-results-of-the-eros-study-eros-profile
#1
Flavio A Cadegiani, Claudio E Kater
Overtraining syndrome (OTS) is caused by an imbalance between training, nutrition and resting, and leads to decreased performance and fatigue; however, the precise underlying triggers of OTS remain unclear. This study investigated the body composition, metabolism, eating, sleeping patterns and mood states among participants with OTS. Selected participants were divided into OTS-affected athletes (OTS, n = 14), healthy athletes (ATL, n = 25), and healthy non-physically active controls (NCS, n = 12). Compared to ATL, OTS showed decreased sleep quality (p = 0...
January 9, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29247273/live-high-train-low-guided-by-daily-heart-rate-variability-in-elite-nordic-skiers
#2
Laurent Schmitt, Sarah J Willis, Anthony Fardel, Nicolas Coulmy, Gregoire P Millet
PURPOSE: To analyze if live high-train low (LHTL) effectiveness is improved when daily training is guided by heart rate variability (HRV). METHODS: Twenty-four elite Nordic skiers took part in a 15-day LHTL study and were randomized into a HRV-guided training hypoxic group (H-HRV, n = 9, sleeping in normobaric hypoxia, FiO2 = 15.0%) and two predefined training groups sleeping either in hypoxia (H, n = 9, FiO2 = 15.0%) or normoxia (N, n = 6). HRV and training loads (TL) were recorded daily...
December 15, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29198093/-strenuous-and-prolonged-exercise-and-upper-respiratory-tract-infection-treatment-or-threat
#3
REVIEW
Danit Atias-Varon, Yuval Heled
Prolonged and strenuous exercise may lead to changes in the immune system function and to temporary suppression in defense against pathogens. These changes likely increase the risk of those engaging in prolonged and strenuous physical activity to develop upper respiratory tract infection and to reduce the level of performance. On the other hand, it appears that moderate physical activity reduces the risk of upper respiratory tract infection. Various populations, such as professional athletes and soldiers in combat units, who engage in daily strenuous exercise, may therefore be a high risk group...
November 2017: Harefuah
https://www.readbyqxmd.com/read/29189340/influence-of-postconcussion-sleep-duration-on-concussion-recovery-in-collegiate-athletes
#4
Nicole L Hoffman, Michelle L Weber, Steven P Broglio, Michael McCrea, Thomas W McAllister, Julianne D Schmidt
OBJECTIVE: To determine whether decreased sleep duration postconcussion influences days to asymptomatic and assessment of performance throughout recovery. DESIGN: Prospective. SETTING: Institutional Clinical Research Laboratory. PATIENTS: Four hundred twenty-three collegiate athletes were diagnosed with concussion. INTERVENTIONS: Multidimensional concussion assessment battery was conducted at baseline, within 24 to 48 hours, daily [2-4 days postinjury (PI); symptoms only], once asymptomatic, and after return-to-play...
November 16, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29187343/an-ehealth-application-of-self-reported-sports-related-injuries-and-illnesses-in-paralympic-sport-pilot-feasibility-and-usability-study
#5
Kristina Fagher, Jenny Jacobsson, Örjan Dahlström, Toomas Timpka, Jan Lexell
BACKGROUND: Sport participation is associated with a risk of sports-related injuries and illnesses, and Paralympic athletes' additional medical issues can be a challenge to health care providers and medical staff. However, few prospective studies have assessed sports-related injuries and illnesses in Paralympic sport (SRIIPS) over time. Advances in mobile phone technology and networking systems offer novel opportunities to develop innovative eHealth applications for collection of athletes' self-reports...
November 29, 2017: JMIR Human Factors
https://www.readbyqxmd.com/read/29161185/medications-for-sleep-schedule-adjustments-in-athletes
#6
Matthew B Baird, Irfan M Asif
CONTEXT: Sleep schedule adjustments are common requirements of modern-day athletes. Many nonpharmacologic and pharmacologic strategies exist to facilitate circadian rhythm shifts to maximize alertness and performance during competition. This review summarizes the evidence for commonly used pharmacologic agents and presents recommendations for the sports medicine provider. EVIDENCE ACQUISITION: MEDLINE searches were performed using the following keywords: sleep aids, circadian rhythm adjustment, athletes and sleep, caffeine and sports, melatonin and athletes, and sleep aids and sports...
November 1, 2017: Sports Health
https://www.readbyqxmd.com/read/29135639/sleep-and-athletic-performance
#7
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/29120225/descriptive-values-for-dancers-on-baseline-concussion-tools
#8
Lauren McIntyre, Marc Campo
CONTEXT:   Capturing baseline data before a concussion can be a valuable tool in individualized care. However, not all athletes, including dancers, have access to baseline testing. When baseline examinations were not performed, clinicians consult normative values. Dancers are unique athletes; therefore, describing values specific to dancers may assist those working with these athletes in making more informed decisions. OBJECTIVE:   To describe values for key concussion measures of dancers...
November 9, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/29114564/the-effect-of-pretest-exercise-on-baseline-computerized-neurocognitive-test-scores
#9
Alec Pawlukiewicz, Aaron M Yengo-Kahn, Gary Solomon
Background: Baseline neurocognitive assessment plays a critical role in return-to-play decision making following sport-related concussions. Prior studies have assessed the effect of a variety of modifying factors on neurocognitive baseline test scores. However, relatively little investigation has been conducted regarding the effect of pretest exercise on baseline testing. Purpose/Hypothesis: The aim of our investigation was to determine the effect of pretest exercise on baseline Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT) scores in adolescent and young adult athletes...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29072537/sleep-training-load-and-performance-in-elite-female-gymnasts
#10
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
#11
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/29031461/sleep-sport-and-the-brain
#12
Shona L Halson, Laura E Juliff
The recognition that sleep is one of the foundations of athlete performance is increasing both in the elite athlete arena as well as applied performance research. Sleep, as identified through sleep deprivation and sleep extension investigations, has a role in performance, illness, injury, metabolism, cognition, memory, learning, and mood. Elite athletes have been identified as having poorer quality and quantity of sleep in comparison to the general population. This is likely the result on training times, competition stress/anxiety, muscle soreness, caffeine use, and travel...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/28977294/sleep-quality-and-its-association-with-psychological-symptoms-in-adolescent-athletes
#13
Gabriel Cordeiro Gomes, Muana Hiandra Pereira Dos Passos, Hítalo Andrade Silva, Valéria Mayaly Alves de Oliveira, Wbinayara Alves Novaes, Ana Carolina Rodarti Pitangui, Rodrigo Cappato de Araújo
OBJECTIVE: To verify the prevalence of poor sleep quality and its association with personal characteristics and symptoms of depression, anxiety and stress in amateur adolescent athletes. METHODS: 309 adolescent athletes aged between 10 and 19 years were enrolled. Data collection included: a structured questionnaire, with personal information; the Pittsburgh Sleep Quality Index (PSQI); and the Depression, Anxiety and Stress Scale (DASS-21). Results are described in mean and standard deviation (numeric variables) and absolute and relative frequencies (categorical variables)...
July 2017: Revista Paulista de Pediatria: Orgão Oficial da Sociedade de Pediatria de São Paulo
https://www.readbyqxmd.com/read/28931975/correlation-between-sleep-and-psychological-mood-states-in-female-wheelchair-basketball-players-on-a-japanese-national-team
#14
Kenji Tsunoda, Hirotaka Mutsuzaki, Kazushi Hotta, Yukiyo Shimizu, Naruki Kitano, Yasuyoshi Wadano
[Purpose] Although some studies suggest the importance of getting adequate sleep for enhancing mood, there is not yet sufficient evidence on the relationship between sleep and mood states in athletes, especially for athletes with physical disability. The purpose of this study is to reveal relationships between sleep and psychological mood states in female wheelchair basketball players. [Subjects and Methods] Seventeen female wheelchair basketball players (30.9 ± 9.4 years old) on a Japanese national team participated...
September 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28886473/strategies-for-injury-prevention-in-brazilian-football-perceptions-of-physiotherapists-and-practices-of-premier-league-teams
#15
Maurício Couto Meurer, Marcelo Faria Silva, Bruno Manfredini Baroni
OBJECTIVES: To describe the physiotherapists perceptions and the current practices for injury prevention in elite football (soccer) clubs in Brazil. DESIGN: Cross-sectional study. SETTING: Group of Science in Sports & Exercise, Federal University of Healthy Sciences of Porto Alegre (Brazil). PARTICIPANTS: 16 of the 20 football clubs involved in the Brazilian premier league 2015. MAIN OUTCOME MEASURES: Physiotherapists answered a structured questionnaire...
November 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28870119/a-history-of-concussions-is-associated-with-symptoms-of-common-mental-disorders-in-former-male-professional-athletes-across-a-range-of-sports
#16
Vincent Gouttebarge, Haruhito Aoki, Michael Lambert, William Stewart, Gino Kerkhoffs
OBJECTIVE: Recent reports suggest that exposure to repetitive concussions in sports is associated with an increased risk of symptoms of distress, anxiety and depression, sleep disturbance or substance abuse/dependence (typically referred as symptoms of common mental disorders[CMD]) and of later development of neurodegenerative disease, in particular chronic traumatic encephalopathy (CTE). The primary aim of this study was to explore the relationship between sports career-related concussions and the subsequent occurrence of symptoms of CMD among former male professional athletes retired from football (soccer), ice hockey and rugby (union)...
September 13, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28826314/a-prospective-cohort-study-on-symptoms-of-common-mental-disorders-among-dutch-elite-athletes
#17
Vincent Gouttebarge, Ruud Jonkers, Maarten Moen, Evert Verhagen, Paul Wylleman, Gino Kerkhoffs
OBJECTIVE: Scientific knowledge about symptoms of common mental disorders in elite sports is scarce. Consequently, the objectives of the study were to (i) establish the 12-month incidence of symptoms of common mental disorders (CMD; distress, anxiety/depression, sleep disturbance, adverse alcohol use, eating disorders) among Dutch elite athletes and (ii) explore their potential association with several stressors (being injured, recent life events, career dissatisfaction). METHODS: A prospective cohort study with a 12-month follow-up period was conducted...
August 28, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28818999/short-term-arrival-strategies-for-endurance-exercise-performance-at-moderate-altitude
#18
Joshua L Foss, Keren Constantini, Timothy D Mickleborough, Robert F Chapman
For sea level-based endurance athletes who compete at moderate and high altitudes, many are not logistically able to arrive at altitude weeks prior to the event to fully acclimatize. For those who can only arrive at altitude the night before competition, we asked if there is a physiological and performance advantage in reducing altitude exposure time to two hours prior to competition. On three separate visits, ten cyclists completed overnight laboratory exposures of: 1) a 14-hour exposure to normobaric hypoxia (16...
August 17, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28810965/the-benefits-and-risks-of-energy-drinks-in-young-adults-and-military-service-members
#19
Julianne Manchester, Inbal Eshel, Donald W Marion
INTRODUCTION: Energy drinks (EDs) have become an integral part of the young adult, athletic, and military culture. Many athletes are convinced that EDs enhance performance, and service members as well as college students frequently use EDs as stimulants to counter sleep deprivation, or to improve academic performance. However, concerns have been raised by some military leaders about potential adverse effects of EDs. MATERIALS AND METHODS: A needs assessment survey of a convenience sample of military health care providers was conducted and identified EDs as a top knowledge need for those providers working in the area of traumatic brain injury (TBI)...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28754605/train-hard-sleep-well-perceived-training-load-sleep-quantity-and-sleep-stage-distribution-in-elite-level-athletes
#20
Melanie Knufinke, Arne Nieuwenhuys, Sabine A E Geurts, Els I S Møst, Kamiel Maase, Maarten H Moen, Anton M L Coenen, Michiel A J Kompier
OBJECTIVES: Sleep is essential for recovery and performance in elite athletes. While it is generally assumed that exercise benefits sleep, high training load may jeopardize sleep and hence limit adequate recovery. To examine this, the current study assessed objective sleep quantity and sleep stage distributions in elite athletes and calculated their association with perceived training load. DESIGN: Mixed-methods. METHODS: Perceived training load, actigraphy and one-channel EEG recordings were collected among 98 elite athletes during 7 consecutive days of regular training...
July 12, 2017: Journal of Science and Medicine in Sport
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