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https://www.readbyqxmd.com/read/28822962/glucose-transporter-4-glut4-deficient-hearts-develop-maladaptive-hypertrophy-in-response-to-physiologic-or-pathologic-stresses
#1
Adam Raymond Wende, Jaetaek Kim, William Holland, Benjamin E Wayment, Brian T O'Neill, Joseph Tuinei, Manoja K Brahma, Mark E Pepin, Mark A McCrory, Ivan Luptak, Ganesh V Halade, Sheldon E Litwin, E Dale Abel
Pathological cardiac hypertrophy may be associated with reduced expression of the GLUT4 glucose transporter in contrast to exercise-induced cardiac hypertrophy, where GLUT4 levels are increased. However, mice with cardiac specific deletion of GLUT4 (G4H-/-) have normal cardiac function in the unstressed state. This study tested the hypothesis that cardiac GLUT4 is required for myocardial adaptations to hemodynamic demands. G4H-/- and control littermates (Con) were subjected to either a pathological model of left ventricular pressure overload (transverse aortic constriction; TAC) or a physiological model of endurance exercise (swim training)...
August 19, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28822956/a-novel-web-support-intervention-to-promote-recovery-following-anterior-cruciate-ligament-reconstruction-a-pilot-randomised-controlled-trial
#2
Pazit Levinger, Karen Hallam, Darren Fraser, Rebecca Pile, Clare Ardern, Brett Moreira, Simon Talbot
BACKGROUND: Self-efficacy is positively associated with adherence behaviours and rehabilitation outcomes following Anterior Cruciate Ligament (ACL) reconstruction. An internet resource can be an effective way to provide information, goal setting, patient monitoring and hence support overall self-management. PURPOSE: This study examined the feasibility of a three month 'internet-based intervention' (mobile-oriented site) to enhance recovery for patients following ACL reconstruction...
June 8, 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28822763/activating-transcription-factor-3-regulates-chemokine-expression-in-contracting-c2c12-myotubes-and-in-mouse-skeletal-muscle-after-eccentric-exercise
#3
R Fernández-Verdejo, A M Vanwynsberghe, T Hai, L Deldicque, M Francaux
Activating transcription factor (ATF) 3 regulates chemokine expression in various cell types and tissues. Herein, we studied this regulation in contracting muscle cells in vitro, and in skeletal muscle after muscle-damaging exercise in vivo. C2C12 myotubes with normal or low ATF3 levels (atf3_siRNA) were electrically stimulated (EPS). Also, ATF3-knockout (ATF3-KO) and control mice ran downhill until exhaustion, and muscles were analyzed post-exercise. EPS increased ATF3 levels in myotubes (P < 0.01). Chemokine C-C motif ligand (ccl) 2 mRNA increased post-EPS, but atf3_siRNA attenuated the response (P < 0...
August 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28822756/differences-in-psychosocial-and-behavioral-variables-by-dietary-screening-tool-risk-category-in-older-adults
#4
Geoffrey W Greene, Ingrid Lofgren, Chelsea Paulin, Mary L Greaney, Phillip G Clark
BACKGROUND: The Dietary Screening Tool (DST) has been validated as a dietary screening instrument for older adults defining three categories of potential nutritional risk based on DST score cutoffs. Previous research has found that older adults classified as being "at risk" differed from those categorized as being "not at risk" for a limited number of health-related variables. The relationship between risk categories and a wide variety of variables has not yet been explored. This research will contribute to an increased understanding of clustering of multiple health concerns in this population...
August 17, 2017: Journal of the Academy of Nutrition and Dietetics
https://www.readbyqxmd.com/read/28822657/a-systematic-review-of-muscle-morphology-and-function-in-intermittent-claudication
#5
REVIEW
Amy E Harwood, Stephanie King, Joshua Totty, George E Smith, Natalie Vanicek, Ian C Chetter
OBJECTIVE: Intermittent claudication (IC) is frequently associated with deterioration in walking capacity and physical function, and it can often result in an impairment in balance. Whereas supervised exercise is recommended by the National Institute for Health and Care Excellence as the first-line treatment, the mechanism behind walking improvement is poorly understood. The existing literature suggests that there may be some physiologic change to the skeletal muscle contributing to the functional impairment, but these data are conflicting...
August 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28822591/physical-and-psychological-effects-of-qigong-exercise-in-community-dwelling-older-adults-an-exploratory-study
#6
Pei-Shiun Chang, M Tish Knobf, Byeonsang Oh, Marjorie Funk
Older adults need exercise programs that correspond to age-related changes. The purpose of this study was to explore preliminary effects of an 8-week Qigong exercise intervention on the physical ability, functional and psychological health, and spiritual well-being of community-dwelling older adults. Forty-five community-dwelling adults with the mean age of 74.8 years participated a 1-h Health Qigong exercise session twice weekly for 8 weeks. The majority were female (84%) and white (91%), and lived with their spouse (49%)...
August 16, 2017: Geriatric Nursing
https://www.readbyqxmd.com/read/28822530/application-of-exercise-ecg-stress-test-in-the-current-high-cost-modern-era-healthcare-system
#7
REVIEW
Gaurang Nandkishor Vaidya
Exercise electrocardiogram (ECG) tests boasts of being more widely available, less resource intensive, lower cost and absence of radiation. In the presence of a normal baseline ECG, an exercise ECG test is able to generate a reliable and reproducible result almost comparable to Technitium-99m sestamibi perfusion imaging. Exercise ECG changes when combined with other clinical parameters obtained during the test has the potential to allow effective redistribution of scarce resources by excluding low risk patients with significant accuracy...
July 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28822516/comparison-of-yoga-and-walking-exercise-on-cardiac-time-intervals-as-a-measure-of-cardiac-function-in-elderly-with-increased-pulse-pressure
#8
Satish Gurunathrao Patil, Shankargouda S Patil, Manjunatha R Aithala, Kusal Kanti Das
OBJECTIVE: Arterial aging along with increased blood pressure(BP) has become the major cardiovascular(CV) risk in elderly. The aim of the study was to compare the effects of yoga program and walking-exercise on cardiac function in elderly with increased pulse pressure (PP). METHODS: An open label, parallel-group randomized controlled study design was adopted. Elderly individuals aged ≥60 years with PP≥60mmHg were recruited for the study. Yoga (study) group (n=30) was assigned for yoga training and walking (exercise) group (n=30) for walking with loosening practices for one hour in the morning for 6days in a week for 3 months...
July 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28822513/frequency-and-predictors-of-non-adherence-to-lifestyle-modifications-and-medications-after-coronary-artery-bypass-grafting-a-cross-sectional-study
#9
Muhammad Armughan Ali, Javeria Yasir, Rida Noor Sherwani, Marium Fareed, Fizza Arshad, Fareeha Abid, Ramsha Arshad, Safana Ismail, Sarim Ahmed Khan, UroojJamal Siddiqui, Marium Gul Muhammad, Kaneez Fatima
BACKGROUND: Non-adherence to dietary recommendations, exercise and prescribed drug regimens, in coronary heart disease (CHD) patients following coronary artery bypass grafting (CABG), is a major health care issue worldwide. AIMS AND OBJECTIVES: The primary objective of this study was to investigate the frequency and predictors of non-adherence to lifestyle changes and medication among CHD patients after undergoing CABG surgery. METHOD: The sample of this cross sectional descriptive study was 265 patients who underwent isolated primary CABG...
July 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28822448/-warning-symptoms-of-asthma-attack-and-asthma-self-management-a-national-asthma-control-survey-from-china
#10
J T Lin, W Q Wang, X Zhou, C Z Wang, M Huang, S X Cai, P Chen, Q C Lin, J Y Zhou, Y H Gu, Y D Yuan, D J Sun, X H Yang, L Yang, J M Huo, Z C Chen, P Jiang, J Zhang, X W Ye, H G Liu, H P Tang, R Y Liu, C T Liu, W Zhang, C P Hu, Y Q Chen, X J Liu, L M Dai, W Zhou, Y J Huang, J Y Xu
Objective: To investigate warning symptoms of asthma attack and evaluate asthma self-management status of asthma patients in urban China. Methods: A multi-center, cross-sectional, questionnaire-based survey was carried out from 30 general hospitals dispersed in 30 provinces of mainland China (except for Tibet) during Oct 2015 to May 2016. Information of frequency and warning symptoms of asthma attack, the time from warning symptoms to asthma attack, the impact of asthma attack and asthma self-management were collected from asthma patients of outpatient department...
August 8, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28822327/improvements-in-balance-control-in-individuals-with-pcs-detected-following-vestibular-training-a-case-study
#11
Alyssa Prangley, Mathew Aggerholm, Michael Cinelli
Concussed individuals have been found to experience balance deficits in the anterior-posterior (AP) direction as indicated by greater Center of Pressure (COP) displacement and velocity. One possible reason for this change in balance control could be due to damage to the lateral vestibulospinal tract which sends signals to control posterior muscles, specifically ankle extensors leading to compensatory torques about the ankle. The purpose of the study was to quantify balance assessments in individuals experiencing persistent post-concussion symptoms (PCS) to determine balance control changes following a vestibular training intervention...
August 8, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28822267/a-similar-pro-anti-inflammatory-cytokine-balance-is-present-in-the-airways-of-competitive-athletes-and-non-exercising-asthmatics
#12
Marcin Kurowski, Janusz Jurczyk, Agnieszka Olszewska-Ziąber, Marzanna Jarzębska, Hubert Krysztofiak, Marek L Kowalski
PURPOSE: Intensive exercise modifies airway inflammation and infection susceptibility. We aimed to determine the effect of exercise on pro- and anti-inflammatory cytokine (TNF-α, IL-1ra, IL-10) and innate immunity protein (HSPA1, sCD14) levels in exhaled breath condensate (EBC) and nasal secretions of competitive athletes, non-exercising asthmatics and healthy controls (HC). MATERIAL AND METHODS: The study group consisted of 15 competitive athletes (five speed skaters and ten swimmers) aged 15-25...
August 16, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28822213/liberia-national-disaster-preparedness-coordination-exercise-implementing-lessons-learned-from-the-west-african-disaster-preparedness-initiative
#13
Melinda J Morton Hamer, Paul L Reed, Jane D Greulich, Charles W Beadling
OBJECTIVE: In light of the recent Ebola outbreak, there is a critical need for effective disaster management systems in Liberia and other West African nations. To this end, the West Africa Disaster Preparedness Initiative held a disaster management exercise in conjunction with the Liberian national government on November 24-25, 2015. DESIGN: During this tabletop exercise (TTX), interactions within and between the 15 counties and the Liberian national government were conducted and observed to refine and validate the county and national standard operating procedures (SOPs)...
January 2017: American Journal of Disaster Medicine
https://www.readbyqxmd.com/read/28822212/comparison-of-start-and-salt-triage-methodologies-to-reference-standard-definitions-and-to-a-field-mass-casualty-simulation
#14
Salvatore Silvestri, Adam Field, Neal Mangalat, Tory Weatherford, Christopher Hunter, Zoe McGowan, Zachary Stamile, Trevor Mattox, Tanner Barfield, Aarian Afshari, George Ralls, Linda Papa
OBJECTIVES: We compared Sort, Assess, Lifesaving Intervention, Treatment/Transport (SALT) and Simple Triage and Rapid Treatment (START) triage methodologies to a published reference standard, and evaluated the accuracy of the START method applied by emergency medical services (EMS) personnel in a field simulation. DESIGN: Simulated mass casualty incident (MCI). Paramedics trained in START triage assigned each victim to green (minimal), yellow (delayed), red (immediate), or black (dead) categories...
January 2017: American Journal of Disaster Medicine
https://www.readbyqxmd.com/read/28822210/evaluation-of-the-association-between-disaster-training-and-confidence-in-disaster-response-among-graduate-medical-trainees-a-cross-sectional-study
#15
Andrew Grock, Adam R Aluisio, Elizabeth Abram, Patricia Roblin, Bonnie Arquilla
OBJECTIVE: Disasters by definition overwhelm the resources of a hospital and may require a response from a range of practitioners. Disaster training is part of emergency medicine (EM) resident curricula, but less emphasized in other training programs. This study aimed to compare disaster educational training and confidence levels among resident trainees from multiple specialties. DESIGN: A structured questionnaire assessed graduate medical training in disaster education and self-perceived confidence in disaster situations...
January 2017: American Journal of Disaster Medicine
https://www.readbyqxmd.com/read/28822112/effectiveness-of-resistance-circuit-based-training-for-maximum-oxygen-uptake-and-upper-body-one-repetition-maximum-improvements-a-systematic-review-and-meta-analysis
#16
REVIEW
Francisco Antonio Muñoz-Martínez, Jacobo Á Rubio-Arias, Domingo Jesús Ramos-Campo, Pedro E Alcaraz
BACKGROUND: It is well known that concurrent increases in both maximal strength and aerobic capacity are associated with improvements in sports performance as well as overall health. One of the most popular training methods used for achieving these objectives is resistance circuit-based training. OBJECTIVE: The objective of the present systematic review with a meta-analysis was to evaluate published studies that have investigated the effects of resistance circuit-based training on maximum oxygen uptake and one-repetition maximum of the upper-body strength (bench press exercise) in healthy adults...
August 18, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28822025/cardiovascular-health-in-st-louis-bosnian-americans
#17
Maximillian T Bourdillon, Asad S Akhter, Dejan Vrtikapa, Amer Avdagic, Marc A McNeese, Richard Lee, Dawn S Hui
In Bosnia and Herzegovina, cardiovascular disease accounts for nearly 50% of deaths. Cardiovascular health of resettled Bosnian-Americans has not been well-characterized. Our study aimed to quantify cardiovascular risk in Bosnian-Americans in St. Louis, the largest non-European center of resettlement. Seven community screenings focused on Bosnian-Americans were held. Cardiovascular risk was calculated to stratify individuals into low (<10%), moderate (10-20%), and high (>20%) risk. Those with self-reported coronary heart disease (CHD) or risk equivalent were considered high-risk...
August 18, 2017: Journal of Immigrant and Minority Health
https://www.readbyqxmd.com/read/28821576/effect-of-a-behavioral-intervention-strategy-for-adoption-and-maintenance-of-a-physically-active-lifestyle-the-italian-diabetes-and-exercise-study-ides-2-a-randomized-controlled-trial
#18
Stefano Balducci, Valeria D'Errico, Jonida Haxhi, Massimo Sacchetti, Giorgio Orlando, Patrizia Cardelli, Martina Vitale, Lucilla Bollanti, Francesco Conti, Silvano Zanuso, Antonio Nicolucci, Giuseppe Pugliese
OBJECTIVE: Adherence to physical activity (PA) recommendations is hampered by the lack of effective strategies to promote behavior change. The Italian Diabetes and Exercise Study_2 is a randomized controlled trial evaluating a novel behavioral intervention strategy for increasing PA and decreasing sedentary time (SED-time) in patients with type 2 diabetes. RESEARCH DESIGN AND METHODS: The study randomized 300 physically inactive and sedentary patients with type 2 diabetes 1:1 to receive theoretical and practical counseling once yearly for 3 years (intervention group [INT]) or standard care (control group [CON])...
August 18, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28821569/elevated-temperature-and-acclimation-time-affect-metabolic-performance-in-the-heavily-exploited-nile-perch-of-lake-victoria
#19
Elizabeth A Nyboer, Lauren J Chapman
Increasing water temperatures due to anthropogenic climate change are predicted to negatively impact the aerobic metabolic performance of aquatic ectotherms. Specifically, it has been hypothesized that thermal increases result in reductions in aerobic scope (AS), which lead to decreases in energy available for essential fitness and performance functions. Consequences of warming are anticipated to be especially severe for warm-adapted tropical species as they are thought to have narrow thermal windows and limited plasticity for coping with elevated temperatures...
August 18, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28821541/targeting-mir-423-5p-reverses-exercise-training-induced-hcn4-channel-remodeling-and-sinus-bradycardia
#20
Alicia D'Souza, Charles M Pearman, Yanwen Wang, Shu Nakao, Sunil Jit R Logantha, Charlotte Cox, Hayley J Bennett, Yu Zhang, Anne Berit Johnsen, Nora Linscheid, Pi C Poulsen, Jonathan Elliott, Jessica Coulson, Jamie S McPhee, Abigail C Robertson, Paula A da Costa Martins, Ashraf Kitmitto, Ulrik Wisloff, Elizabeth J Cartwright, Oliver Monfredi, Alicia Lundby, Halina Dobrzynski, Delvac Oceandy, Gwilym M Morris, Mark R Boyett
Rationale: Downregulation of the pacemaking ion channel, HCN4, and the corresponding ionic current, If, underlies exercise training-induced sinus bradycardia in rodents. If this occurs in humans, it could explain the increased incidence of bradyarrhythmias in veteran athletes and it will be important to understand the underlying processes. Objective: To test the role of HCN4 in the training-induced bradycardia in human athletes and investigate the role of micro-RNAs (miRs) in the repression of HCN4. Methods and Results: As in rodents, the intrinsic heart rate was significantly lower in human athletes than non-athletes and in all subjects the rate-lowering effect of the HCN selective blocker, ivabradine, was significantly correlated with the intrinsic heart rate, consistent with HCN repression in athletes...
August 17, 2017: Circulation Research
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