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https://www.readbyqxmd.com/read/29135639/sleep-and-athletic-performance
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
https://www.readbyqxmd.com/read/28691581/a-shower-before-bedtime-may-improve-the-sleep-onset-latency-of-youth-soccer-players
#15
RANDOMIZED CONTROLLED TRIAL
Craig Whitworth-Turner, Rocco Di Michele, Ian Muir, Warren Gregson, Barry Drust
During the competitive season, soccer players are likely exposed to numerous factors that may disrupt the process of sleep. The current investigation looked to evaluate a practical sleep hygiene strategy (10-min showering at ∼40°C before lights out), within a group of 11 youth soccer players in comparison to normal sleeping conditions (control). Each condition consisted of three days within a randomised crossover trial design. Sleep information was collected using a commercial wireless bedside sleep monitor...
October 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28682806/cognitive-resilience-and-psychological-responses-across-a-collegiate-rowing-season
#16
Morgan R Shields, M Alison Brooks, Kelli F Koltyn, Jee-Seon Kim, Dane B Cook
INTRODUCTION: Student-athletes face numerous challenges across their competitive season. Although mood states have been previously studied, little is known about adaptations in other psychological responses, specifically cognition. The purpose of this study was to characterize cognitive function, mood, sleep, and stress responses at select time points of a season in collegiate rowers. It was hypothesized that during baseline, typical training, and recovery, athletes would show positive mental health profiles, in contrast to decreases in cognition with increases in negative mood and measurements of stress during peak training...
November 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28674597/sleep-hygiene-education-improves-sleep-indices-in-elite-female-athletes
#17
Shannon O'Donnell, Matthew W Driller
The importance of sleep in providing psychophysiological recovery in elite athletes is often overlooked. In other populations (eg shift workers and adolescent students), sleep hygiene education may serve to acutely improve sleep indices. However, this is yet to be examined in an elite athlete setting. Therefore, the aim of the current study was to evaluate the effect of a sleep hygiene education session on sleep indices in elite athletes. The study involved 26 elite female netball athletes performing one week of baseline sleep monitoring (PRE), followed by a sleep hygiene education session and a further week of sleep monitoring (POST) in a single group, pre- post design...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28673415/sleep-recovery-and-performance-in-sports
#18
REVIEW
Raman K Malhotra
Poor sleep can lead to decreases in performance and recovery for athletes. Sleep disorders and symptoms are commonly seen in athletes, and may be unrecognized. It is important to educate athletes on adequate duration, quality, and timing of sleep. Interventions may include changes to practice times or careful planning for travel to games in different time zones. It is important to screen and treat sleep disorders such as sleep apnea and insomnia that are seen in some athletes. In patients who suffer concussion, it is important to address sleep issues, as poor sleep can prolong or exacerbate other concussion symptoms...
August 2017: Neurologic Clinics
https://www.readbyqxmd.com/read/28642676/international-society-of-sports-nutrition-position-stand-protein-and-exercise
#19
REVIEW
Ralf Jäger, Chad M Kerksick, Bill I Campbell, Paul J Cribb, Shawn D Wells, Tim M Skwiat, Martin Purpura, Tim N Ziegenfuss, Arny A Ferrando, Shawn M Arent, Abbie E Smith-Ryan, Jeffrey R Stout, Paul J Arciero, Michael J Ormsbee, Lem W Taylor, Colin D Wilborn, Doug S Kalman, Richard B Kreider, Darryn S Willoughby, Jay R Hoffman, Jamie L Krzykowski, Jose Antonio
The International Society of Sports Nutrition (ISSN) provides an objective and critical review related to the intake of protein for healthy, exercising individuals. Based on the current available literature, the position of the Society is as follows:An acute exercise stimulus, particularly resistance exercise, and protein ingestion both stimulate muscle protein synthesis (MPS) and are synergistic when protein consumption occurs before or after resistance exercise.For building muscle mass and for maintaining muscle mass through a positive muscle protein balance, an overall daily protein intake in the range of 1...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28597081/effects-of-bright-and-blue-light-on-acoustic-reaction-time-and-maximum-handgrip-strength-in-male-athletes-a-randomized-controlled-trial
#20
Raphael Knaier, Juliane Schäfer, Anja Rossmeissl, Christopher Klenk, Henner Hanssen, Christoph Höchsmann, Christian Cajochen, Arno Schmidt-Trucksäss
PURPOSE: To assess which type of evening light exposure has the greatest effect on reaction time and maximum handgrip strength. These were pre-specified secondary outcomes in a trial which primarily investigated the influence of light on cycling performance. METHODS: Seventy-four male athletes were allocated at random to either bright light (BRIGHT), monochromatic blue light (BLUE), or a control condition (CONTROL). Light exposure lasted for 60 min and started 17 h after the individual midpoint of sleep...
August 2017: European Journal of Applied Physiology
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