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https://www.readbyqxmd.com/read/28818999/short-term-arrival-strategies-for-endurance-exercise-performance-at-moderate-altitude
#1
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/28812204/multivariable-adaptive-artificial-pancreas-system-in-type-1-diabetes
#2
REVIEW
Ali Cinar
PURPOSE OF REVIEW: The review summarizes the current state of the artificial pancreas (AP) systems and introduces various new modules that should be included in future AP systems. RECENT FINDINGS: A fully automated AP must be able to detect and mitigate the effects of meals, exercise, stress and sleep on blood glucose concentrations. This can only be achieved by using a multivariable approach that leverages information from wearable devices that provide real-time streaming data about various physiological variables that indicate imminent changes in blood glucose concentrations caused by meals, exercise, stress and sleep...
August 15, 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28811955/the-effects-of-group-based-versus-individual-based-tai-chi-training-on-nonmotor-symptoms-in-patients-with-mild-to-moderate-parkinson-s-disease-a-randomized-controlled-pilot-trial
#3
Jing Hui Yang, Ya Qun Wang, Sai Qing Ye, You Gen Cheng, Yu Chen, Xiao Zhen Feng
OBJECTIVE: To compare the effects of group-based and individual-based Tai Chi training on nonmotor symptoms in patients with mild to moderate Parkinson's disease. DESIGN: Randomized controlled pilot study. METHODS: 36 community-dwelling patients with Parkinson's disease (PD) were randomly assigned to either group-based training group (n = 19) or individual-based group (n = 17). Both groups received same content of Tai Chi training 3 times a week for 13 weeks...
2017: Parkinson's Disease
https://www.readbyqxmd.com/read/28809651/effectiveness-of-occupational-therapy-interventions-to-enhance-occupational-performance-for-adults-with-alzheimer-s-disease-and-related-major-neurocognitive-disorders-a-systematic-review
#4
Stacy Smallfield, Cindy Heckenlaible
OBJECTIVE: The purpose of this systematic review was to describe the evidence for the effectiveness of interventions designed to establish, modify, and maintain occupations for adults with Alzheimer's disease (AD) and related neurocognitive disorders. METHOD: Titles and abstracts of 2,597 articles were reviewed, of which 256 were retrieved for full review and 52 met inclusion criteria. U.S. Preventive Services Task Force levels of certainty and grade definitions were used to describe the strength of evidence...
September 2017: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
https://www.readbyqxmd.com/read/28808490/the-influence-of-intermittent-fasting-on-the-circadian-pattern-of-melatonin-while-controlling-for-caloric-intake-energy-expenditure-light-exposure-and-sleep-schedules-a-preliminary-report
#5
Aljohara S Almeneessier, Ahmed S Bahammam, Munir M Sharif, Salman A Bahammam, Samar Z Nashwan, Seithikurippu R Pandi Perumal, Daniel P Cardinali, Mohammad Alzoghaibi
AIMS: We hypothesized that if we control for food composition, caloric intake, light exposure, sleep schedule, and exercise, intermittent fasting would not influence the circadian pattern of melatonin. Therefore, we designed this study to assess the effect of intermittent fasting on the circadian pattern of melatonin. METHODS: Eight healthy volunteers with a mean age of 26.6 ± 4.9 years and body mass index of 23.7 ± 3.5 kg/m(2) reported to the Sleep Disorders Center (the laboratory) on four occasions: (1) adaptation, (2) 4 weeks before Ramadan while performing Islamic intermittent fasting for 1 week (fasting outside Ramadan [FOR]), (3) 1 week before Ramadan (nonfasting baseline [BL]), and (4) during the 2(nd) week of Ramadan while fasting (Ramadan)...
July 2017: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/28805568/complementary-and-alternative-medicine-and-exercise-in-nonmotor-symptoms-of-parkinson-s-disease
#6
Indu Subramanian
The use of complementary and alternative medicine (CAM) therapy in nonmotor symptoms (NMS) for Parkinson disease (PD) is growing worldwide. Well-performed, systematic evidence-based research is largely lacking in this area and many studies include various forms of CAM with small patient numbers and a lack of standardization of the approaches studied. Taichi, Qigong, dance, yoga, mindfulness, acupuncture, and other CAM therapies are reviewed and there is some evidence for the following: Taichi in sleep and PDQ39; dance in cognition, apathy, and a mild trend to improved fatigue; yoga in PDQ39; and acupuncture in depression, PDQ39, and sleep...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28803119/the-effects-of-low-intensity-cycling-on-cognitive-performance-following-sleep-deprivation
#7
Alexis B Slutsky, Jed A Diekfuss, James A Janssen, Nate T Berry, Chia-Hao Shih, Louisa D Raisbeck, Laurie Wideman, Jennifer L Etnier
This study examined the effect of 24h of sleep deprivation on cognitive performance and assessed the effect of acute exercise on cognitive performance following sleep deprivation. Young, active, healthy adults (n=24, 14 males) were randomized to control (age=24.7±3.7years, BMI=27.2±7.0) or exercise (age=25.3±3.3years, BMI=25.6±5.1) groups. Cognitive testing included a 5-min psychomotor vigilance task (PVT), three memory tasks with increasing cognitive load, and performance of the PVT a second time. On morning one, cognitive testing followed a typical night's sleep...
August 9, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28772197/effects-of-acute-physical-exercise-in-the-light-phase-of-sleep-in-rats-with-temporal-lobe-epilepsy
#8
Cristiano de Lima, Ricardo Mario Arida, Monica Levy Andersen, Daniel Ninello Polesel, Tathiana Aparecida Fernandes de Alvarenga, Rodrigo Luiz Vancini, Gabriela Matos, Sergio Tufik
OBJECTIVE: Our aim was to investigate the influence of an acute exercise session on sleep pattern in rats with temporal lobe epilepsy (TLE). METHODS: Twenty male Wistar rats were randomly assigned to 4 groups: control (C); acute exercise (EX); epilepsy (E) and epilepsy acute exercise (EEX). Two sleep electrocorticography recordings were performed during the light phase [baseline and day 2 (after the acute physical exercise session)]. After baseline recording, the exercise groups (EX and EEX) were submitted to an exercise session on a motor-driven treadmill at 12m/min for 30min...
July 21, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28760461/effect-of-dead-space-on-breathing-stability-at-exercise-in-hypoxia
#9
Eric Hermand, François J Lhuissier, Jean-Paul Richalet
Recent studies have shown that normal subjects exhibit periodic breathing when submitted to concomitant environmental (hypoxia) and physiological (exercise) stresses. A mathematical model including mass balance equations confirmed the short period of ventilatory oscillations and pointed out an important role of dead space in the genesis of these phenomena. Ten healthy subjects performed mild exercise on a cycloergometer in different conditions: rest/exercise, normoxia/hypoxia and no added dead space/added dead space (aDS)...
July 29, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28758507/changes-in-behaviors-and-outcomes-among-school-based-employees-in-a-wellness-program
#10
James LeCheminant, Ray M Merrill, Travis D Masterson
OBJECTIVE: To examine the health behavior changes and mental-health and job-related outcomes of school-based employees over 2 years while participating in a worksite wellness program. METHOD: All participants in this analysis (n = 1,873) were employees of a large public school district in the western United States and voluntarily enrolled in a comprehensive wellness program. Exercise level, fruit and vegetable consumption, restful sleep, smoking, alcohol consumption, self-rated health, mental health-related outcomes (stress, depression, life-satisfaction, and loneliness), and job-related outcomes (job performance, absenteeism, job-related satisfaction) are reported...
July 1, 2017: Health Promotion Practice
https://www.readbyqxmd.com/read/28754605/train-hard-sleep-well-perceived-training-load-sleep-quantity-and-sleep-stage-distribution-in-elite-level-athletes
#11
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/28738460/-association-between-sleep-and-leukocyte-telomere-length-in-middle-aged-and-older-adults
#12
H F Liu, F Li, Y H Wang, J H Chen, D X Peng, J Chen, L H Tan, X Mi, B H Zhao
Objective: To understand the association between peripheral leukocytes telomere length (TL) and sleep in middle-aged and old adults. Methods: A total of 176 middle-aged and old adults were investigated by using the Pittsburgh Sleep Quality Index and questionnaire. TL was measured by fluorescence quantitative PCR. The correlation and regression analysis between sleep and telomere length was performed. Results: TL had a mean T/S ratio of 0.995±0.23. There was a negative correlation between TL and age (r=-0.241, P=0...
July 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28718987/the-impact-of-exercise-on-sleep-in-adults-with-type-1-diabetes
#13
Ravi Reddy, Joseph El Youssef, Kerri Winters-Stone, Deborah Branigan, Joseph Leitschuh, Jessica Castle, Peter G Jacobs
The aim of this pilot study was to investigate the impact of exercise on sleep and nocturnal hypoglycemia in adults with type 1 diabetes (T1D). In a 3-week crossover trial, 10 adults with T1D were randomized to perform aerobic, resistance or no exercise. During each exercise week, participants completed two separate 45-minute exercise sessions at an academic medical center. Participants returned home and wore a continuous glucose monitor and a wrist based activity monitor to estimate sleep duration. Participants on average lost 70 (±49) minutes of sleep (p = 0...
July 18, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28695445/parental-and-child-factors-associated-with-under-estimation-of-children-with-excess-weight-in-spain
#14
Ingrid de Ruiter, Rocío Olmedo-Requena, José Juan Jiménez-Moleón
Objective Understanding obesity misperception and associated factors can improve strategies to increase obesity identification and intervention. We investigate underestimation of child excess weight with a broader perspective, incorporating perceptions, views, and psychosocial aspects associated with obesity. Methods This study used cross-sectional data from the Spanish National Health Survey in 2011-2012 for children aged 2-14 years who are overweight or obese. Percentages of parental misperceived excess weight were calculated...
July 10, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28693969/the-influence-of-physical-activity-in-water-on-sleep-quality-in-pregnant-women-a-randomised-trial
#15
R Rodriguez-Blanque, J C Sánchez-García, A M Sánchez-López, N Mur-Villar, M J Aguilar-Cordero
INTRODUCTION: Sleep is a physiological state of self-regulation. The international classification of sleep disorders now includes as a new category those occurring during pregnancy. Regular physical activity is known to improve the quality of life, one aspect of which is sleep quality. During pregnancy, physical activity is decreased but should not be eliminated, as studies have reported a high correlation between sleep disorders and the absence of physical activity. Regular physical exercise during pregnancy, whether performed in water or out of it, provides greater control of gestational weight gain...
July 7, 2017: Women and Birth: Journal of the Australian College of Midwives
https://www.readbyqxmd.com/read/28682936/effects-of-wearing-a-compression-garment-during-night-sleep-on-recovery-from-high-intensity-eccentric-concentric-quadriceps-muscle-fatigue
#16
Yohei Shimokochi, Satoshi Kuwano, Taichi Yamaguchi, Hiroyuki Abutani, Norihiro Shima
This study aimed to investigate the effects of wearing a compression garment (CG) during night sleep on muscle fatigue recovery after high-intensity eccentric and concentric knee extensor exercises. Seventeen college male students participated in two experimental sessions under CG and non-CG (NCG) wearing conditions. Before night sleep under CG or NCG wearing conditions, the subjects performed a fatiguing protocol consisting of 10 sets of 10 repetitions of maximal isokinetic eccentric and concentric knee extensor contractions, with 30-second rest intervals between the sets...
July 3, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28682806/cognitive-resilience-and-psychological-responses-across-a-collegiate-rowing-season
#17
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...
July 5, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28680341/effects-of-sleep-deprivation-on-cognitive-and-physical-performance-in-university-students
#18
Yusuf Patrick, Alice Lee, Oishik Raha, Kavya Pillai, Shubham Gupta, Sonika Sethi, Felicite Mukeshimana, Lothaire Gerard, Mohammad U Moghal, Sohag N Saleh, Susan F Smith, Mary J Morrell, James Moss
Sleep deprivation is common among university students, and has been associated with poor academic performance and physical dysfunction. However, current literature has a narrow focus in regard to domains tested, this study aimed to investigate the effects of a night of sleep deprivation on cognitive and physical performance in students. A randomized controlled crossover study was carried out with 64 participants [58% male (n = 37); 22 ± 4 years old (mean ± SD)]. Participants were randomized into two conditions: normal sleep or one night sleep deprivation...
2017: Sleep and Biological Rhythms
https://www.readbyqxmd.com/read/28676439/the-effect-of-stress-fracture-interventions-in-a-single-elite-infantry-training-unit-1983-2015
#19
Charles Milgrom, Aharon S Finestone
Stress fractures can be seen as an undesired byproduct of demanding physical training. The threshold value of stress that places an individual bone at high risk for stress fracture has not been identified. In a prospective study of stress fractures in 1983, a 31% incidence was found during demanding Israeli infantry basic training by bone scan criteria. Within a subgroup of these recruits, an elite infantry unit was found to have a 40% incidence. Since then and until 2015, eight additional induction companies of the same elite infantry unit were prospectively monitored for stress fractures during their basic training...
July 1, 2017: Bone
https://www.readbyqxmd.com/read/28660562/continuous-quantitative-monitoring-of-physical-activity-in-parkinson-s-disease-patients-by-using-wearable-devices-a-case-control-study
#20
Guoen Cai, Yujie Huang, Shan Luo, Zhirong Lin, Houde Dai, Qinyong Ye
The objective of this study was to explore the feasibility of using wearable devices to quantitatively measure the daily activity in patients with Parkinson's disease (PD) and to monitor medication-induced motor fluctuations. In this case-controlled study, we used monitored daily movement function in 21 patients with Parkinson's disease and 20 healthy volunteers. We analyzed the exercise types and sleep duration in the two groups and evaluated the correlation between daily movement function and age, gender, education, disease duration, Hohn-Yahr stage, UPDRS-II score, UPDRS-III score, and levodopa dose...
June 28, 2017: Neurological Sciences
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