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https://www.readbyqxmd.com/read/28648027/-sirt1-signaling-pathway-mediated-the-protective-effects-on-myocardium-of-rats-after-endurance-training-and-acute-exhaustive-exercise
#1
X Y Li, X Han, H M Zhang, H Tan, S F Han
Objective: To detect the expression of SIRT1 and Ac-FOXO1 in rats after endurance training and acute exhaustive exercise, and explicit the myocardial protective effect of SIRT1. Methods: Rats were randomly divided into four groups: control group(n=20), exhaustive exercise group (E group, n=20), exhaustive exercise group + endurance training (TE group, n=18), exhaustive exercise group + endurance training + selective SIRT1 inhibitor (TSE group, n=17). The Control and E groups were fed routinely for 5 weeks. The TE and TSE groups were subjected to swimming exercise for 5 weeks for endurance exercising...
June 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28647868/effects-of-high-altitude-exposure-on-supraspinal-fatigue-and-corticospinal-excitability-and-inhibition
#2
Mathieu Marillier, Pierrick J Arnal, Thibault Le Roux Mallouf, Thomas Rupp, Guillaume Y Millet, Samuel Verges
PURPOSE: While acute hypoxic exposure enhances exercise-induced central fatigue and can alter corticospinal excitability and inhibition, the effect of prolonged hypoxic exposure on these parameters remains to be clarified. We hypothesized that 5 days of altitude exposure would (i) normalize exercise-induced supraspinal fatigue during isolated muscle exercise to sea level (SL) values and (ii) increase corticospinal excitability and inhibition. METHODS: Eleven male subjects performed intermittent isometric elbow flexions at 50% of maximal voluntary contraction to task failure at SL and after 1 (D1) and 5 (D5) days at 4350 m...
June 24, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28647809/left-ventricles-of-aging-athletes-better-untwisters-but-not-more-relaxed-during-exercise
#3
Claire Maufrais, G Doucende, T Rupp, M Dauzat, P Obert, S Nottin, I Schuster
OBJECTIVE: With an aging population and the increasing prevalence of heart failure with preserved ejection fraction, developing strategies to prevent diastolic dysfunction is crucial. Regular endurance training has been suggested to be one such strategy. However, the underlying mechanisms of training, including the effect on left ventricular (LV) untwist, which promotes LV filling, are unclear and studies exploring the heart during exercise in the aging heart are lacking. METHODS: Cardiopulmonary exercise testing with speckle tracking echocardiography was realized in male subjects: 16 young athletes (YA), 19 young controls (YC), 22 middle-aged athletes (MA) with a lifelong history of endurance training, and 20 middle-aged controls (MC)...
June 24, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28647747/comparing-the-effects-of-mindfulness-based-cognitive-therapy-and-sleep-psycho-education-with-exercise-on-chronic-insomnia-a-randomised-controlled-trial
#4
Samuel Yeung-Shan Wong, De-Xing Zhang, Carole Chi-Kwan Li, Benjamin Hon-Kei Yip, Dicken Cheong-Chun Chan, Yuet-Man Ling, Cola Siu-Lin Lo, Doris Mei-Sum Woo, Yu-Ying Sun, Helen Ma, Winnie Wing-Sze Mak, Ting Gao, Tatia Mei-Chun Lee, Yun-Kwok Wing
BACKGROUND: Mindfulness-based cognitive therapy (MBCT) is a potential treatment for chronic insomnia. We evaluated the efficacy of MBCT for insomnia (MBCT-I) by comparing it with a sleep psycho-education with exercise control (PEEC) group. METHODS: Adults with chronic primary insomnia (n = 216) were randomly allocated to the MBCT-I or PEEC group. The MBCT-I included mindfulness and psycho-education with cognitive and behavioural components under cognitive behavioural therapy for insomnia...
June 24, 2017: Psychotherapy and Psychosomatics
https://www.readbyqxmd.com/read/28647322/hand-therapy-interventions-outcomes-and-diagnoses-evaluated-over-the-last-10-years-a-mapping-review-linking-research-to-practice
#5
Sandy C Takata, Emily T Wade, Shawn C Roll
STUDY DESIGN: Mapping review. INTRODUCTION: Although published literature and evidence to support medical practice is becoming more abundant, it is not known how well available evidence supports the full spectrum of hand therapy practice. PURPOSE OF THE STUDY: The aim of this mapping review was to identify strengths and/or gaps in the available literature as compared with the hand therapy scope of practice to guide future research. METHODS: A systematic search and screening was conducted to identify evidence published from 2006 to 2015...
June 21, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28647310/effect-of-a-web-based-positive-psychology-intervention-on-prenatal-well-being-a-case-series-study
#6
Giulia Corno, Ernestina Etchemendy, Macarena Espinoza, Rocío Herrero, Guadalupe Molinari, Alba Carrillo, Constance Drossaert, Rosa Maria Baños
BACKGROUND: Detrimental effects of women's negative feelings during pregnancy have been extensively examined and documented, but research on the influence of positive feelings and protective factors on their prenatal mental health is scarce. Evidence from the positive psychology field has shown that practicing some brief positive exercises, called positive psychology interventions, can maximize well-being by increasing positive emotions, engagement, and meaning. AIM: The aim of this study is to examine the effect of a positive psychology web-based intervention on indices of women's prenatal well-being...
June 21, 2017: Women and Birth: Journal of the Australian College of Midwives
https://www.readbyqxmd.com/read/28647284/the-effects-of-high-intensity-interval-training-on-muscle-size-and-quality-in-overweight-and-obese-adults
#7
Malia N M Blue, Abbie E Smith-Ryan, Eric T Trexler, Katie R Hirsch
OBJECTIVES: Despite growing popularity of high intensity interval training (HIIT) for improving health and fitness, limited data exist identifying the effects of HIIT on muscle characteristics. The purpose of the current study was to investigate the effects of a 3-week HIIT intervention on muscle size and quality in overweight and obese men and women. DESIGN: Randomized controlled trial. METHODS: Forty-four overweight and obese men and women (mean±SD; age: 35...
June 8, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28647283/optimal-cooling-strategies-for-players-in-australian-tennis-open-conditions
#8
Grant P Lynch, Julien D Périard, Babette M Pluim, John R Brotherhood, Ollie Jay
OBJECTIVES: We compared the utility of four cooling interventions for reducing heat strain during simulated tennis match-play in an environment representative of the peak conditions possible at the Australian Open (45°C, <10% RH, 475W/m(2) solar radiation). DESIGN: Nine trained males undertook four trials in a climate chamber, each time completing 4 sets of simulated match-play. METHODS: During ITF-mandated breaks (90-s between odd-numbered games; 120-s between sets), either iced towels (ICE), an electric fan (FANdry), a fan with moisture applied to the skin (FANwet), or ad libitum 10°C water ingestion only (CON) was administered...
May 25, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28647194/prediction-of-6-minute-walk-performance-in-patients-with-peripheral-artery-disease
#9
Xi Chen, Julie A Stoner, Polly S Montgomery, Ana I Casanegra, Federico Silva-Palacios, Sixia Chen, Amanda E Janitz, Andrew W Gardner
BACKGROUND: Peripheral artery disease (PAD) is a highly prevalent disease that impairs walking ability. Walking tests, such as the 6-minute walk test (6MWT) and 4-meter walk test, are commonly used to assess exercise endurance and ambulatory function over a short distance, respectively. The 6MWT performance is predictive of PAD severity and disease outcomes, but it is not feasible in many clinical settings because it requires a long walkway to serve as the test route and lengthens clinic visits...
June 21, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28646860/effect-of-exercising-at-minimum-recommendations-of-the-multiple-sclerosis-exercise-guideline-combined-with-structured-education-or-attention-control-education-secondary-results-of-the-step-it-up-randomised-controlled-trial
#10
Susan Coote, Marcin Uszynski, Matthew P Herring, Sara Hayes, Carl Scarrott, John Newell, Stephen Gallagher, Aidan Larkin, Robert W Motl
BACKGROUND: Recent exercise guidelines for people with multiple sclerosis (MS) recommend a minimum of 30 min moderate intensity aerobic exercise and resistance exercise twice per week. This trial compared the secondary outcomes of a combined 10-week guideline based intervention and a Social Cognitive Theory (SCT) education programme with the same exercise intervention involving an attention control education. METHODS: Physically inactive people with MS, scoring 0-3 on Patient Determined Disease Steps Scale, with no MS relapse or change in MS medication, were randomised to 10-week exercise plus SCT education or exercise plus attention control education conditions...
June 24, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28646841/effect-of-extracorporeal-shock-wave-therapy-on-lower-limb-spasticity-in-stroke-patients
#11
Parisa Taheri, Babak Vahdatpour, Maryam Mellat, Fereshteh Ashtari, Mojtaba Akbari
BACKGROUND: This study aims to evaluate the effect of extracorporeal shock wave therapy (ESWT) on lower limb spasticity in stroke patients. METHODS: Twenty-eight eligible patients with ankle plantar flexor spasticity were randomly assigned to two groups. ESWT group received 1 session per week for 3 weeks of ESWT along with oral anti-spastic medications and stretching exercises. The control group received only oral anti-spastic medications and stretching exercises similar to ESWT group...
June 2017: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/28646812/oral-consumption-of-vitamin-k2-for-8-weeks-associated-with-increased-maximal-cardiac-output-during-exercise
#12
Brian K McFarlin, Andrea L Henning, Adam S Venable
Background • Vitamin K1 and K2 are not typically common in a Western diet because they are found in a variety of fermented foods. Vitamin K2 in particular has been demonstrated to restore mitochondrial function and has a key role in production of mitochondrial adenosine triphosphate. Thus, it is reasonable to speculate that dietary supplementation with vitamin K2 could increase the function of muscle with high mitochondrial content (ie, skeletal and cardiac muscle). Objective • The purpose of this study was to determine if 8 wk of dietary supplementation with Vitamin K2 could alter cardiovascular responses to a graded cycle ergometer test...
July 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28646597/a-contrast-enhanced-ultrasonographic-study-about-the-impact-of-long-term-exercise-training-on-mammary-tumor-vascularization
#13
Ana I Faustino-Rocha, Adelina Gama, Paula A Oliveira, Katrien Vanderperren, Jimmy H Saunders, Maria J Pires, Rita Ferreira, Mário Ginja
OBJECTIVES: This study aimed to evaluate the impact of long-term exercise training on the vascularization of rat mammary tumors. METHODS: Female rats were divided into 4 groups: N-methyl-N-nitrosourea (MNU) treated sedentary, MNU treated exercised, control sedentary, and control exercised. Tumor development was induced in the MNU groups by MNU administration. Exercised groups were trained for 35 weeks. Tumor vascularization was evaluated by pulsed Doppler and contrast-enhanced ultrasonography...
June 24, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28646563/cohesive-network-reconfiguration-accompanies-extended-training
#14
Qawi K Telesford, Arian Ashourvan, Nicholas F Wymbs, Scott T Grafton, Jean M Vettel, Danielle S Bassett
Human behavior is supported by flexible neurophysiological processes that enable the fine-scale manipulation of information across distributed neural circuits. Yet, approaches for understanding the dynamics of these circuit interactions have been limited. One promising avenue for quantifying and describing these dynamics lies in multilayer network models. Here, networks are composed of nodes (which represent brain regions) and time-dependent edges (which represent statistical similarities in activity time series)...
June 24, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28646355/racial-disparities-in-menu-labeling-usage-analysis-of-the-2012-behavioral-risk-factor-surveillance-system-brfss-sugar-sweetened-beverage-and-menu-labeling-module
#15
Sufana Shikdar, Sumihiro Suzuki
OBJECTIVES: Race/ethnic disparities in obesity are widely reported and are often attributed to diet-related factors, such as menu-labeling usage. We aimed to determine whether racial difference exists in menu-labeling usage. METHODS: Data from the 2012 Behavioral Risk Factor Surveillance System were used. Menu labeling was measured from the Sugar-Sweetened Beverages and Menu Labeling module administered in 18 states. We stratified the population into four race/ethnic categories: non-Hispanic whites (reference, n = 66,019, 63%), non-Hispanic blacks (n = 13,623, 13%), Hispanics (n = 14,671, 14%), and others (n = 7336, 7%)...
June 23, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28646302/t-regulatory-cells-exhibit-a-biphasic-response-to-prolonged-endurance-exercise-in-humans
#16
Tom Clifford, Matthew J Wood, Philip Stocks, Glyn Howatson, Emma J Stevenson, Catharien M U Hilkens
PURPOSE: T-regulatory cells (Tregs) are a sub-population of lymphocytes that act to suppress aberrant immune responses. We investigated changes in the numbers of naïve and terminally differentiated Tregs in the peripheral blood to establish their role in the immuno-suppressive response to prolonged exercise. METHODS: Blood was drawn from seventeen experienced runners (age 40 ± 12 years; height 1.75 ± 0.08 m; mass 71.4 ± 10.8 kg) before, ~1 h after (POST-1h), and on the day following the marathon (POST-1d)...
June 23, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28646223/regular-exercise-participation-improves-genomic-stability-in-diabetic-patients-an-exploratory-study-to-analyse-telomere-length-and-dna-damage
#17
Ivan Dimauro, Antonella Sgura, Monica Pittaluga, Fiorenza Magi, Cristina Fantini, Rosa Mancinelli, Antonio Sgadari, Stefania Fulle, Daniela Caporossi
Physical activity has been demonstrated to be effective in the prevention and treatment of different chronic conditions, including type 2 diabetes (T2D). In particular, several studies highlighted how the beneficial effects of physical activity may be related to the stability of the DNA molecule, such as longer telomeric ends. Here we analyze the effect of exercise training on telomere length, spontaneous and H2O2-induced DNA damage, as well as the apoptosis level in leukocytes from untrained or trained T2D patients vs...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28646182/high-intensity-interval-training-improves-mitochondrial-function-and-suppresses-thrombin-generation-in-platelets-undergoing-hypoxic-stress
#18
Li-Hua Wu, Shao-Chiang Chang, Tieh-Cheng Fu, Ching-Hui Huang, Jong-Shyan Wang
This study elucidates how high-intensity interval training (HIT) and moderate-intensity continuous training (MCT) affect mitochondrial functionality and thrombin generation (TG) in platelets following hypoxic exercise (HE, 100 W under 12% O2 for 30 min). Forty-five healthy sedentary males were randomized to engage either HIT (3-minute intervals at 40% and 80%VO2max, n = 15) or MCT (sustained 60%VO2max, n = 15) for 30 minutes/day, 5 days/week for 6 weeks, or to a control group (CTL, n = 15) that did not received exercise intervention...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28646104/self-help-approach-to-graded-exercise-may-help-chronic-fatigue-syndrome
#19
Susan Mayor
No abstract text is available yet for this article.
June 22, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28646028/exercise-is-good-for-the-heart-but-the-intensity-matters
#20
Xing Zhang, Feng Gao
Not applicable.
June 23, 2017: American Journal of Physiology. Heart and Circulatory Physiology
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