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https://www.readbyqxmd.com/read/27918662/effects-of-a-two-week-high-intensity-training-camp-on-sleep-activity-of-professional-rugby-league-athletes
#1
Heidi R Thornton, Grant M Duthie, Nathan W Pitchford, Jace A Delaney, Dean T Benton, Ben J Dascombe
PURPOSE: To investigate the effects of a training camp on the sleep characteristics of professional rugby league players compared to a home period. METHODS: During a seven-day home and 13-day camp period, time in bed (TIB), total sleep time (TST), sleep efficiency (SE) and wake after sleep onset (WASO) were measured using wristwatch actigraphy. Subjective wellness and training loads (TL) were also collected. Differences in sleep and TL between the two periods and the effect of daytime naps on night time sleep were examined using linear mixed models...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27917815/sleep-quality-differs-between-athletes-and-non-athletes
#2
Havva Demirel
PURPOSE: Sufficient sleep or sleep of sufficient quality is essential for the health of children, adolescents and adults, as sleep influences almost all dimensions of life. The purpose of this study was to investigate the possible positive effects of sportsmanship on sleep quality and to assess the possible differences in sleep quality between athletes and non-athletes. METHODS: Sedentary or non-athletes subjects (n=103) and athletes (n=93) participated in this study...
December 1, 2016: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/27909225/recovery-of-the-immune-system-after-exercise
#3
Jonathan M Peake, Oliver Neubauer, Neil P Walsh, Richard J Simpson
The notion that prolonged, intense exercise causes an 'open window' of immunodepression during recovery after exercise is well accepted. Repeated exercise bouts or intensified training without sufficient recovery may increase the risk of illness. However, except for salivary IgA, clear and consistent markers of this immunodepression remain elusive. Exercise increases circulating neutrophil and monocyte counts, and reduces circulating lymphocyte count during recovery. This lymphopenia results from preferential egress of lymphocyte subtypes with potent effector functions (e...
December 1, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27906554/sleep-quality-and-high-intensity-interval-training-at-two-different-times-of-day-a-crossover-study-on-the-influence-of-the-chronotype-in-male-collegiate-soccer-players
#4
Jacopo A Vitale, Matteo Bonato, Letizia Galasso, Antonio La Torre, Giampiero Merati, Angela Montaruli, Eliana Roveda, Franca Carandente
The influence of the chronotype on the sleep quality in male collegiate soccer players in response to acute high intensity interval training (HIIT) performed at two different times of day was evaluated. The sleep quality was poorer in the morning-type than in the evening-type players after the evening HIIT session, whereas no significant changes in the sleep quality of the two chronotypes after the morning HIIT session was observed. The results suggest that an athlete's chronotype should be taken into account when scheduling training sessions and to promote faster recovery processes...
December 1, 2016: Chronobiology International
https://www.readbyqxmd.com/read/27900583/does-elite-sport-degrade-sleep-quality-a-systematic-review
#5
REVIEW
Luke Gupta, Kevin Morgan, Sarah Gilchrist
BACKGROUND: Information on sleep quality and insomnia symptomatology among elite athletes remains poorly systematised in the sports science and medicine literature. The extent to which performance in elite sport represents a risk for chronic insomnia is unknown. OBJECTIVES: The purpose of this systematic review was to profile the objective and experienced characteristics of sleep among elite athletes, and to consider relationships between elite sport and insomnia symptomatology...
November 29, 2016: Sports Medicine
https://www.readbyqxmd.com/read/27894209/the-prevalence-and-risk-indicators-of-symptoms-of-common-mental-disorders-among-current-and-former-dutch-elite-athletes
#6
Vincent Gouttebarge, Ruud Jonkers, Maarten Moen, Evert Verhagen, Paul Wylleman, Gino Kerkhoffs
The aim of the study was to determine the prevalence and comorbidity of symptoms of common mental disorders (distress, anxiety/depression, sleep disturbance, eating disorders, adverse alcohol use) among current and former Dutch elite athletes, and to explore the inference between potential risk indicators (severe injury, surgery, life events, sport career dissatisfaction, social support) and the outcomes measures under investigation. Cross-sectional analyses were conducted on baseline questionnaires from an ongoing prospective cohort study among 203 current and 282 former elite Dutch athletes (response rate: 28% among current athletes and 95% among former athletes)...
November 29, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27780874/data-mining-in-the-exploration-of-stressors-among-ncaa-student-athletes
#7
Seunghyun Hwang, Youngjun Choi
Collegiate student athletes face psychological stressors in adjusting to campus life. This study used preexisting, nationally representative data administered by the National Collegiate Athletic Association for student athletes in 2010 to explore the conjunctive relationships among demographics, personal characteristics, social contexts, and physical condition in predicting perceived stress. The number of valid samples was 19,967 from 609 member institutions. A data mining methodology (i.e., SEARCH) was applied to model the distribution of the perceived stress...
December 2016: Psychological Reports
https://www.readbyqxmd.com/read/27768512/heart-rate-variability-during-deep-sleep-offers-a-time-efficient-alternative-to-morning-supine-measurements-a-study-in-world-class-alpine-skiers
#8
David Herzig, Moreno Testorelli, Daniela Schäfer Olstad, Daniel Erlacher, Peter Achermann, Prisca Eser, Matthias Wilhelm
BACKGROUND/AIM: There is increasing popularity for athletes to use heart rate variability (HRV) to tailor training. A time-efficient method is HRV assessment during deep sleep. The aim was to validate the selection of deep sleep segments identified by RR-intervals with simultaneous electroencephalography (EEG) recordings and to compare HRV parameters of these segments with those of standard morning supine measurements. METHODS: In 11 world class alpine- skiers, RR-intervals were monitored during ten nights and simultaneous EEGs were recorded in 2-4 nights...
September 26, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27761664/increasing-performance-of-professional-soccer-players-and-elite-track-and-field-athletes-with-peak-performance-training-and-biofeedback-a-pilot-study
#9
Noortje H Rijken, Remko Soer, Ewold de Maar, Hilco Prins, Wouter B Teeuw, Jan Peuscher, Frits G J Oosterveld
The aim of this pilot study was to investigate the effects of an intervention consisting of mental coaching combined with either electro encephalogram (EEG) alpha power feedback or heart rate variability (HRV) feedback on HRV, EEG outcomes and self-reported factors related to stress, performance, recovery and sleep quality in elite athletes. A prospective pilot study was performed with two distinct cohorts. Soccer players were provided with four sessions of mental coaching combined with daily HRV biofeedback (Group A); track and field athletes were provided with four sessions of mental coaching in combination with daily neurofeedback (Group B)...
December 2016: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/27736255/assessing-the-measurement-sensitivity-and-diagnostic-characteristics-of-athlete-monitoring-tools-in-national-swimmers
#10
Stephen Crowcroft, Erin McCleave, Katie Slattery, Aaron J Coutts
PURPOSE: To assess measurement sensitivity and diagnostic characteristics of athlete monitoring tools to identify performance change. METHODS: Fourteen nationally competitive swimmers (11 males, 3 females, age: 21.2 ± 3.2 y) recorded daily monitoring over 15 months. The "Self-report" group (n=7) reported general health, energy levels, motivation, stress, recovery, soreness and wellness. The "Combined" group (n=7) recorded sleep quality, perceived fatigue, total quality recovery (TQR) and heart rate variability measures...
October 13, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27718590/experiences-with-and-perceptions-of-workplace-bullying-among-athletic-trainers-in-the-secondary-school-setting
#11
William A Pitney, Celest Weuve, Stephanie M Mazerolle
CONTEXT: Workplace bullying (WPB) has recently received much attention in society. Research on WPB in athletic training practice settings is limited. OBJECTIVE: To determine the prevalence of WPB in the secondary school setting and explore the factors related to it. DESIGN: Mixed-methods study. SETTING: Secondary school. PATIENTS OR OTHER PARTICIPANTS: A total of 567 athletic trainers (women = 322 [56...
September 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27686114/working-with-sports-organizations-and-teams
#12
David R McDuff, Michelle Garvin
Athletes and coaches at all competitive levels will utilize sports performance and psychiatric services at very high rates if the services are offered on-site and free of charge and are broad in scope and culturally sensitive. Services should be available throughout the team year and cover areas such as team building, mental preparation, stress control, substance prevention, sleep and energy regulation, injury recovery, crisis intervention, and mental disorder treatment. The staff offering these services should be diverse by gender, profession, and culture, and the fees should be paid by the organization...
August 9, 2016: International Review of Psychiatry
https://www.readbyqxmd.com/read/27670523/knowledge-beliefs-and-attitudes-of-muslim-footballers-towards-ramadan-fasting-during-the-london-2012-olympics-a-cross-sectional-study
#13
Abdulaziz Farooq, Christopher P Herrera, Yacine Zerguini, Fuad Almudahka, Karim Chamari
OBJECTIVES: Muslims observe fasting during the month of Ramadan by abstaining from eating and drinking from dawn to sunset. Available literature shows that although several studies have been conducted on athletes to determine the effects of Ramadan fasting in terms of physical fitness and performance, little data are available regarding the knowledge, beliefs and attitudes of athletes (particularly footballers) towards Ramadan fasting during high-level competitions. This study explored the knowledge, beliefs and attitudes towards Ramadan fasting among football players participating in the London 2012 Olympics football tournament...
2016: BMJ Open
https://www.readbyqxmd.com/read/27638079/posttraumatic-dizziness-and-vertigo
#14
M Szczupak, M E Hoffer, S Murphy, C D Balaban
Traumatic brain injury is an increasingly common public health issue, with the mild variant most clinically relevant for this chapter. Common causes of mild traumatic brain injury (mTBI) include motor vehicle accidents, athletics, and military training/deployment. Despite a range of clinically available testing platforms, diagnosis of mTBI remains challenging. Symptoms are primarily neurosensory, and include dizziness, hearing problems, headaches, cognitive, and sleep disturbances. Dizziness is nearly universally present in all mTBI patients, and is the easiest symptom to objectify for diagnosis...
2016: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27607589/assessing-the-effects-of-a-new-cervical-pillow-on-pain-and-sleep-quality-in-recreational-athletes-with-chronic-mechanical-neck-pain-a-preliminary-comparative-study
#15
Alessandra Di Cagno, Carlo Minganti, Federico Quaranta, Eugenio M Pistone, Federica Fagnani, Giovanni Fiorilli, Arrigo Giombini
BACKGROUND: The aim of this intervention study was to determine the effects of a new experimental cervical pillow, on symptomatic adults affected by chronic mechanical neck pain. METHODS: Twelve recreational athletes of both sexes (mean age 40.5 years; range 35-55), affected by grade II chronic mechanical neck pain, were evaluated with a daily diary type of self- report questionnaire, which incorporated an 11-point Numerical Rating Pain Scale, to collect the primary outcome measures of pre and post-sleep neck pain and with the Neck Pain Disability Scale...
September 8, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27605919/the-origins-of-mental-toughness-prosocial-behavior-and-low-internalizing-and-externalizing-problems-at-age-5-predict-higher-mental-toughness-scores-at-age-14
#16
Dena Sadeghi Bahmani, Martin Hatzinger, Markus Gerber, Sakari Lemola, Peter J Clough, Sonja Perren, Kay von Klitzing, Agnes von Wyl, Edith Holsboer-Trachsler, Serge Brand
BACKGROUND: The concept of mental toughness (MT) has gained increasing importance among groups other than elite athletes by virtue of its psychological importance and explanatory power for a broad range of health-related behaviors. However, no study has focused so far on the psychological origins of MT. Therefore, the aims of the present study were: to explore, to what extent the psychological profiles of preschoolers aged five were associated with both (1) MT scores and (2) sleep disturbances at age 14, and 3) to explore possible gender differences...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27603761/psychological-and-physiological-markers-of-stress-in-concussed-athletes-across-recovery-milestones
#17
Michael G Hutchison, Lynda Mainwaring, Arrani Senthinathan, Nathan Churchill, Scott Thomas, Doug Richards
BACKGROUND: Sport-related concussions are associated with a range of physical, cognitive, and behavioral disturbances that are highly variable across individuals. Much remains unknown about the effects of sport concussion, and changes in markers of psychological and physiological stress over the recovery timeline. OBJECTIVE: To examine psychological (mood, stress, sleep quality, and symptoms) and physiological (heart rate variability and salivary cortisol) measures in concussed athletes over clinical recovery milestones...
September 6, 2016: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/27601449/young-female-handball-players-and-sport-specialisation-how-do-they-cope-with-the-transition-from-primary-school-into-a-secondary-sport-school
#18
Elsa Kristiansen, Trine Stensrud
OBJECTIVE: The aim of the present study was to examine how six young female handball players (aged 13-14 years) perceived the transition from primary school to a sport-specialised secondary school. METHODS: Physical and physiological data as well as data from questionnaires were collected at baseline and after the first year at the sport school, and qualitative interviews were performed retrospectively after the first year at school. RESULTS: Evidence of competition-related stressors, organisational stressors (sport and school balance) and personal stressors (social life and sport balance, lack of sleep and severe injuries) was found...
September 6, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27584536/the-impact-of-training-load-on-sleep-parameters-in-elite-athletes-3862-board-301-june-4-9-30-am-11-00-am
#19
Melanie Knufinke, Arne Nieuwenhuys, Sabine A E Geurts, Els Møst, Tim R M Leufkens, Kamiel Maase, Maarten H Moen, Anton M L Coenen, Michiel A J Kompier
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27574901/a-novel-sleep-optimisation-programme-to-improve-athletes-well-being-and-performance
#20
Emer Van Ryswyk, Richard Weeks, Laura Bandick, Michaela O'Keefe, Andrew Vakulin, Peter Catcheside, Laura Barger, Andrew Potter, Nick Poulos, Jarryd Wallace, Nick A Antic
OBJECTIVES: To improve well-being and performance indicators in a group of Australian Football League (AFL) players via a six-week sleep optimisation programme. DESIGN: Prospective intervention study following observations suggestive of reduced sleep and excessive daytime sleepiness in an AFL group. METHODS: Athletes from the Adelaide Football Club were invited to participate if they had played AFL senior-level football for 1-5 years, or if they had excessive daytime sleepiness (Epworth Sleepiness Scale [ESS] >10), measured via ESS...
August 30, 2016: European Journal of Sport Science
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