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sleep loss and exercise performance

Ting Zhang, Li Cai, Lu Ma, Jin Jing, Yajun Chen, Jun Ma
BACKGROUND: Childhood obesity has become a public health concern in many countries. In Southern China, the prevalence of childhood obesity increased from 6.2 to 7.5 % between 2007 and 2011. This study aimed to report the current prevalence of overweight and obesity, analyzed the early life and behavioral determinants of obesity, and investigated the weight-loss practices among Chinese children in Guangzhou. METHODS: Three thousand seven hundred sixty-six primary school students aged 7-12 years were recruited in Guangzhou, China in 2013...
September 9, 2016: BMC Public Health
Rachael A Evans, Thomas E Dolmage, Priscila G Robles, Dina Brooks, Roger S Goldstein
To inform recommendations for the exercise component of a healthy lifestyle intervention for adults with obesity and treated obstructive sleep apnoea (OSA), we investigated the total energy expenditure (EE) and cardiorespiratory response to weight-supported (cycling) and unsupported (walking) exercise. Individuals with treated OSA and a body mass index (BMI) > 30 kg/m(2)performed an incremental cardiopulmonary exercise test on a cycle ergometer and a treadmill to determine the peak oxygen uptake[Formula: see text] Participants subsequently completed two endurance tests on each modality, matched at 80% and 60% of the highest[Formula: see text]determined by the incremental tests, to intolerance...
April 13, 2016: Chronic Respiratory Disease
Pierrick J Arnal, Thomas Lapole, Mégane Erblang, Mathias Guillard, Cyprien Bourrilhon, Damien Léger, Mounir Chennaoui, Guillaume Y Millet
PURPOSE: This study aimed to investigate the effects of six nights of sleep extension on motor performance and associated neuromuscular function before and after one night of total sleep deprivation (TSD). METHODS: Twelve healthy men participated in two experimental conditions (randomized crossover design): extended sleep (EXT, 9.8 ± 0.1 h time in bed) and habitual sleep (HAB, 8.2 ± 0.1 h time in bed). In each condition, subjects performed six nights of either EXT or HAB at home followed by an assessment of motor performance and neuromuscular function at baseline (D0) and after one night of TSD, i...
August 2016: Medicine and Science in Sports and Exercise
Matias Noll, Ivan Silveira de Avelar, Georgia Cristina Lehnen, Marcus Fraga Vieira
Most studies on the prevalence of back pain have evaluated it in developed countries (Human Development Index--HDI > 0.808), and their conclusions may not hold for developing countries. The aim of this study was to identify the prevalence of back pain in representative Brazilian athletes from public high schools. This cross-sectional study was performed during the state phase of the 2015 Jogos dos Institutos Federais (JIF), or Federal Institutes Games, in Brazil (HDI = 0.744), and it enrolled 251 athletes, 173 males and 78 females (14-20 years old)...
2016: PloS One
Mohamed Arbi Mejri, Narimen Yousfi, Thouraya Mhenni, Amel Tayech, Omar Hammouda, Tarak Driss, Anis Chaouachi, Nizar Souissi
Athletes and coaches believe that adequate sleep is essential for peak performance. There is ample scientific evidence which support the conclusion that sleep loss seems to stress many physiological functions in humans. The aim of this study was to determine the effect of one night's sleep deprivation on intermittent exercise performance in the evening of the following day. Ten male Taekwondo players performed the Yo-Yo intermittent recovery test (YYIRT) in three sleep conditions (reference sleep night [RN], partial sleep deprivation at the beginning of night [PSDBN], partial sleep deprivation at the end of night [PSDEN]) in a counterbalanced order, allowing a recovery period ≥36 hr in between them...
February 2016: Journal of Exercise Rehabilitation
William M Adams, Yuri Hosokawa, Robert A Huggins, Stephanie M Mazerolle, Douglas J Casa
CONTEXT: Evidence-based best practices for the recognition and treatment of exertional heat stroke (EHS) indicate that rectal thermometry and immediate, aggressive cooling via cold-water immersion ensure survival from this medical condition. However, little is known about the recovery, medical follow-up, and return to activity after an athlete has suffered EHS. OBJECTIVE: To highlight the transfer of evidenced-based research into clinical practice by chronicling the treatment, recovery, and return to activity of a runner who suffered an EHS during a warm-weather road race...
August 2016: Journal of Sport Rehabilitation
Teresa J Sakraida, Mary T Weber
PURPOSE: This study aimed to assess the relationship of depressive symptoms with self-management by adults with type 2 diabetes mellitus and chronic kidney disease. DESIGN AND METHODS: Using a descriptive correlational design, participants completed Beck's Depression Inventory (BDI-II) and Summary of Diabetes Self-Care Activities measure. FINDINGS: Reported were energy loss, sleep change, and fatigue. Performed less were exercise, physical activity, eating vegetables, and blood checks...
October 2016: Perspectives in Psychiatric Care
Hugh H K Fullagar, Rob Duffield, Sabrina Skorski, Aaron J Coutts, Ross Julian, Tim Meyer
While the effects of sleep loss on performance have previously been reviewed, the effects of disturbed sleep on recovery after exercise are less reported. Specifically, the interaction between sleep and physiological and psychological recovery in team-sport athletes is not well understood. Accordingly, the aim of the current review was to examine the current evidence on the potential role sleep may play in postexercise recovery, with a tailored focus on professional team-sport athletes. Recent studies show that team-sport athletes are at high risk of poor sleep during and after competition...
November 2015: International Journal of Sports Physiology and Performance
Hon K Yuen, Melissa A Cunningham
Among the host of distressing pathophysiological and psychosocial symptoms, fatigue is the most prevalent complaint in patients with systemic lupus erythematosus (SLE). This review is to update the current findings on non-pharmacological, pharmacological, and modality strategies to manage fatigue in patients with SLE and to provide some recommendations on optimal management of fatigue based on the best available evidence. We performed a systematic literature search of the PubMed and Scopus databases to identify publications on fatigue management in patients with SLE...
2014: Therapeutics and Clinical Risk Management
Hugh H K Fullagar, Sabrina Skorski, Rob Duffield, Daniel Hammes, Aaron J Coutts, Tim Meyer
Although its true function remains unclear, sleep is considered critical to human physiological and cognitive function. Equally, since sleep loss is a common occurrence prior to competition in athletes, this could significantly impact upon their athletic performance. Much of the previous research has reported that exercise performance is negatively affected following sleep loss; however, conflicting findings mean that the extent, influence, and mechanisms of sleep loss affecting exercise performance remain uncertain...
February 2015: Sports Medicine
Pooja Sachdev, Taffy Makaya, Sean S Marven, Roger Ackroyd, Jerry K Wales, Neil P Wright
BACKGROUND: Increasing numbers of severely obese young people undergo bariatric surgery in the USA with reports of substantial weight loss after 1 year. National Institute for Clinical Excellence 2006 suggests considering surgery for young people in 'exceptional circumstances'. We present six patients operated upon 2004-2012 at our centre in the UK. CASE SERIES: Six patients (4 male) aged 14-16 years (mean age 15.10) underwent surgery. Mean preoperative body mass index (BMI) was 62...
October 2014: Archives of Disease in Childhood
M Desplan, J Mercier, M Sabaté, G Ninot, C Prefaut, Y Dauvilliers
BACKGROUND: Exercise training may improve components of metabolic syndrome and obstructive sleep apnea syndrome (OSAS). The objective of our pilot randomized controlled study was to determine the benefits of a short intensive inpatient individualized exercise training (IET) program in sedentary untreated OSAS patients. METHODS: Twenty-two sedentary patients with moderate to severe OSAS were randomly assigned either to one-month education activity sessions (n=11; control group) or to inpatient rehabilitation program (n=11), including IET, education activities sessions, and dietary management...
August 2014: Sleep Medicine
Juarez I Castellar, César A Fernandes, C Eduardo Tosta
BACKGROUND: Breast cancer survivors frequently present long-lasting impairments, caused either by the disease or its treatment, capable of compromising their emotional health and quality of life. Meditation appears to be a valuable complementary measure for overcoming some of these impairments. The purpose of the present investigation was to assess the effect of pranic meditation on the quality of life and mental health of breast cancer survivors. DESIGN: This study was a prospective single-arm observational study using before and after measurements...
July 2014: Integrative Cancer Therapies
Cesar Diaz-Torne, Marian A Pou, Ivan Castellvi, Hector Corominas, William J Taylor
BACKGROUND: Appropriate evaluation of disease or treatment outcomes requires a good understanding of the aspects of the disease and its consequences that actually matter to patients. The OMERACT process has identified several domains of outcome measurement for chronic gout, but patient involvement has only been briefly described. OBJECTIVES: To make the results of patient involvement more explicit, the current study reports on an exercise carried out in the early part of the OMERACT domain identification process...
April 2014: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
Sarah Dempster, Rhiannon Britton, Andrew Murray, J S Costa R
The aims of this study were to assess the dietary intake and monitor self-reported recovery quality and clinical symptomology of a male ultra-endurance runner who completed a multiday ultra-endurance running challenge covering 4,254 km from North Scotland to the Moroccan Sahara desert over 78 consecutive days. Food and fluid intakes were recorded and analyzed through dietary analysis software. Body mass (BM) was determined before and after running each day, and before sleep. Clinical symptomology and perceived recovery quality were recorded each day...
October 2013: International Journal of Sport Nutrition and Exercise Metabolism
Prue Cormie, Nigel Spry, Kevin Jasas, Mikael Johansson, Ian F Yusoff, Robert U Newton, Daniel A Galvão
INTRODUCTION: Given the poor prognosis for patients diagnosed with pancreatic cancer, therapies that enhance the ability to tolerate adjuvant treatments, reduce the loss of physical functioning and optimize quality of life are critically important. Exercise may represent such a therapy; however, no previous research has investigated the potential impact of exercise on outcomes in pancreatic cancer patients. PURPOSE: This study aimed to determine the safety and efficacy of a 6-month supervised exercise program in a pancreatic cancer patient undergoing adjuvant treatment...
April 2014: Medicine and Science in Sports and Exercise
Nicholas R S Hall
Numerous lifestyle, emotional, and biological factors have been identified as risk factors for heart disease. These include socioeconomic status, early childhood and intimate partner abuse, disruption of sleep patterns, lack of exercise, and unhealthy food choices. Genetic and epigenetic factors are also critical components of the equation. A common denominator that links directly or indirectly all of these factors is inflammation. In some instances, the production of inflammatory molecules may precipitate the illness, while in others they may be produced in response to the underlying cause...
2013: Alternative Therapies in Health and Medicine
Andrew T Taylor
High-altitude illnesses encompass the pulmonary and cerebral syndromes that occur in non-acclimatized individuals after rapid ascent to high altitude. The most common syndrome is acute mountain sickness (AMS) which usually begins within a few hours of ascent and typically consists of headache variably accompanied by loss of appetite, nausea, vomiting, disturbed sleep, fatigue, and dizziness. With millions of travelers journeying to high altitudes every year and sleeping above 2,500 m, acute mountain sickness is a wide-spread clinical condition...
January 2011: Rambam Maimonides Medical Journal
Roy J Shephard
The intermittent fasting of Ramadan could affect various aspects of body physiology and biochemistry important to athletic success. Much of the available information on this subject has been collected from sedentary subjects or low-level competitors, often without well matched controls. Other issues requiring clearer definition include the duration of fasting, the local environment, the timing of observations, and changes in training, diet and sleep patterns. Sleep may be shortened or made good with daytime naps...
December 2013: Sports Medicine
Sylwia Chwieśko-Minarowska, Łukasz Minarowski, Anna Kuryliszyn-Moskal, Jan Chwieśko, Elżbieta Chyczewska
The current treatment of obstructive sleep apnea syndrome (OSAS) focuses on alleviation of symptoms by increasing airway patency during sleep through positive airway pressure, oral appliances, changes in sleep position, weight loss, or surgical treatment. Continuous positive airway pressure (CPAP) is currently the treatment of choice and prevents upper airway obstruction, resulting in improved sleep architecture and daytime symptoms. Despite proven efficacy, adherence to CPAP treatment is still not efficient...
December 2013: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
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