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Aerobic training

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https://www.readbyqxmd.com/read/28104751/exercise-training-decreases-nadph-oxidase-activity-and-restores-skeletal-muscle-mass-in-heart-failure-rats
#1
Telma F Cunha, Luiz Roberto Grassman Bechara, Aline V N Bacurau, Paulo R Jannig, Vanessa Azevedo Voltarelli, Paulo M Dourado, Andrea R Vasconcelos, Cristóforo Scavone, Julio C B Ferreira, Patricia C Brum
We have recently demonstrated that NADPH oxidase hyperactivity, NF-κB activation and increased p38 phosphorylation lead to atrophy of glycolytic muscle in heart failure (HF). Aerobic exercise training (AET) is an efficient strategy to counteract skeletal muscle atrophy in this syndrome. Therefore, we tested whether AET would regulate muscle redox balance and protein degradation by decreasing NADPH oxidase hyperactivity, reestablishing NF-κB signaling, p38 phosphorylation and proteasome activity in plantaris muscle of myocardial infarcted-induced HF (MI) rats...
January 19, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28102113/comparison-of-the-effects-on-dynamic-balance-and-aerobic-capacity-between-objective-and-subjective-methods-of-high-intensity-robot-assisted-gait-training-in-chronic-stroke-patients-a-randomized-controlled-trial
#2
Young-Hyeon Bae, Suck Min Lee, Mansoo Ko
BACKGROUND: Robot-assisted gait training (RAGT) is effective for improving dynamic balance and aerobic capacity, but previous RAGT method does not set suitable training intensity. Recently, high-intensity treadmill gait training at 70% of heart rate reserve (HRR) was used for improving aerobic capacity and dynamic balance. PURPOSE: This study was designed to compare the effectiveness between objective and subjective methods of high-intensity RAGT for improving dynamic balance and aerobic capacity in chronic stroke...
January 19, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28099192/aerobic-exercise-training-in-very-severe-chronic-obstructive-pulmonary-disease-a-systematic-review-and-meta-analysis
#3
Mara Paneroni, Carla Simonelli, Michele Vitacca, Nicolino Ambrosino
OBJECTIVE: To evaluate the effectiveness of exercise training in patients with very severe chronic obstructive pulmonary disease (COPD). DESIGN: We searched MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, and Cumulative Index to Nursing and Allied Health Literature databases using the following as search terms: COPD, Chronic Obstructive Pulmonary Disease, Exercise, and Pulmonary Rehabilitation. We included randomized controlled trials (RCTs) of subjects with forced expiratory volume in the first second of less than 35% of the predicted normal value enrolled in in-patient, outpatient, or home- or community-based training programs lasting at least 4 weeks with respect to usual care...
January 17, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28096432/effects-of-activity-genetic-selection-and-their-interaction-on-muscle-metabolic-capacities-and-organ-masses-in-mice
#4
Scott A Kelly, Fernando R Gomes, Erik M Kolb, Jessica L Malisch, Theodore Garland
Chronic voluntary exercise elevates total daily energy expenditure (DEE) and food consumption, potentially resulting in organ compensation supporting nutrient extraction/utilization. Additionally, species with naturally higher DEE often have larger processing organs, which may represent genetic differences and/or phenotypic plasticity. We tested for possible adaptive changes in organ masses of 4 replicate lines of house mice selected (37 generations) for high running (HR lines) compared with 4 non-selected control (C) lines...
January 17, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28095104/the-relative-efficacy-of-land-based-and-water-based-exercise-training-on-macro-and-micro-vascular-functions-in-older-patients-with-type-2-diabetes
#5
Saowaluck Suntraluck, Hirofumi Tanaka, Daroonwan Suksom
Microvascular and macrovascular dysfunction plays an important role in the pathogenesis of diabetic vascular disease. Twenty-nine older patients with type 2 diabetes were randomly assigned into the land-based (LB; n=14) or water-based (WB; n=15) groups. Both groups completed supervised aerobic cycling exercises 3 times per week for 12 weeks. The WB group performed cycling exercise training in warm water (36°C) immersed to the hip level. After 12 weeks, blood glucose concentration and insulin resistance did not change but hemoglobin A1c levels decreased (P<0...
January 17, 2017: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/28095075/a-pilot-study-using-entropy-as-a-non-invasive-assessment-of-running
#6
Andrew M Murray, Joong Hyun Ryu, John Sproule, Anthony P Turner, Phil Graham-Smith, Marco Cardinale
PURPOSE: Running performance is influenced by the interaction of biomechanical and physiological factors. Miniaturised accelerometers worn by the athlete can be used to quantify mechanical aspects of running and be used as a non-invasive tool to assess training status and progression. The aim of this study was to define and validate a method to assess running regularity and allow the estimation of an individual's V̇O2 and/or blood lactate [La]b based on data collected with accelerometers and heart rate (HR)...
January 17, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28095061/methods-of-monitoring-training-load-and-their-relationships-to-changes-in-fitness-and-performance-in-competitive-road-cyclists
#7
Dajo Sanders, Grant Abt, Matthijs K Hesselink, Tony Myers, Ibrahim Akubat
PURPOSE: The aim of this study was to assess the dose-response relationships between different training load methods and aerobic fitness and performance in competitive road cyclists. METHOD: Training data from 15 well-trained competitive cyclists were collected during a 10-week (December - March) pre-season training period. Before and after the training period, participants underwent a laboratory incremental exercise test with gas exchange and lactate measures and a performance assessment using an 8-min time trial (8MT)...
January 17, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28093924/effects-of-an-adapted-cardiac-rehabilitation-programme-on-arterial-stiffness-in-patients-with-type-2-diabetes-without-cardiac-disease-diagnosis
#8
Anka P Brozic, Susan Marzolini, Jack M Goodman
PURPOSE: To determine the effects of a 12-week cardiac rehabilitation programme of aerobic and resistance exercise training on arterial stiffness, peak calf vasodilatory reserve, and haemostatic markers in patients with type 2 diabetes. METHODS: Observational cohort study examining effects of 12 weeks of exercise training in 23 subjects (13 men, 10 women; mean age of 56.1 ± 10.1 years) with type 2 diabetes mellitus. Subjects performed exercise training for 12 weeks [aerobic training 5 days/week, 70%-75% peak cardiovascular fitness (VO2peak) and resistance training 2-3 days/week, 60% of one repetition maximum]...
January 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28092795/moderate-aerobic-exercise-training-for-improving-reproductive-function-in-infertile-patients-a-randomized-controlled-trial
#9
Behzad Hajizadeh Maleki, Bakhtyar Tartibian
This study investigated for the first time the changes in seminal markers of inflammation, oxidative stress status, semen parameters, sperm DNA integrity as well as pregnancy rate following 24weeks of moderate aerobic exercise in infertile patients. A total of 1026 sedentary men (aged 25-40years) attending the infertility clinic with history of more than one year of infertility, were screened and 419 were randomized to either exercise (EX, n=210) or non-exercise (NON-EX, n=209) groups. Exercise training favorably attenuated seminal markers of both inflammation (IL-1β, IL-6, IL-8, and TNF-α) and oxidative stress (ROS, MDA, 8-Isoprostane) as well as enhanced antioxidant defense system (SOD, catalase and TAC) (P<0...
January 13, 2017: Cytokine
https://www.readbyqxmd.com/read/28090141/do-maximal-aerobic-power-and-blood-lactate-concentration-affect-specific-judo-fitness-test-performance-in-female-judo-athletes
#10
H Garbouj, M A Selmi, R Haj Sassi, M Haj Yahmed, K Chamari, A Chaouachi
The Special Judo Fitness Test (SJFT) has become the test most widely used by coaches and physical trainers for assessment of competitors' judo-specific physical aptitude and training programme prescription. The aim of this study was to investigate the relationship between the SJFT performance indices and both maximal aerobic power and the level of blood lactate concentrations in female judo athletes. Seventeen female judokas (age: 21.9±1.6 years, body mass: 74.6±27.4 kg, height: 164.5±8.6 cm; BMI: 27.1±8...
December 2016: Biology of Sport
https://www.readbyqxmd.com/read/28089898/exercise-guidelines-to-promote-cardiometabolic-health-in-spinal-cord-injured-humans-time-to-raise-the-intensity
#11
Tom E Nightingale, Richard S Metcalfe, Niels Bj Vollaard, James L J Bilzon
Spinal cord injury (SCI) is a life changing event that, as a result of paralysis, negatively influences habitual levels of physical activity and hence cardiometabolic health. Performing regular structured exercise therefore appears extremely important in persons with SCI. However, exercise options are mainly limited to the upper-body, which involves a smaller activated muscle mass compared to the mainly leg-based activities commonly performed by non-disabled individuals. Current exercise guidelines for SCI focus predominantly on relative short durations of moderate-intensity aerobic arm cranking exercise, yet contemporary evidence suggests this is not sufficient to induce meaningful improvements in risk factors for the prevention of cardiometabolic disease in this population...
January 12, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28089610/epidemiology-of-physical-activity-and-exercise-training-in-the-united-states
#12
REVIEW
Peter T Katzmarzyk, I-Min Lee, Corby K Martin, Steven N Blair
The purpose of this review was to provide an overview of the descriptive epidemiology of physical activity (PA) and exercise training in the United States. Overall, there is a low prevalence of meeting the current PA guidelines in all age, sex and race/ethnic groups. Among adults the prevalence of meeting the aerobic component of the guidelines is approximately 51%, whereas the prevalence of meeting both the aerobic and muscle-strengthening guidelines is approximately 23%. Approximately 27% of high school students meet the aerobic component of the pediatric guidelines (60minutes of daily moderate-to-vigorous activity), and the proportion of youth meeting the guidelines decreases with advancing age...
January 12, 2017: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/28089456/protective-effects-of-exercise-training-on-endothelial-dysfunction-induced-by-total-sleep-deprivation-in-healthy-subjects
#13
Fabien Sauvet, Pierrick J Arnal, Pierre Emmanuel Tardo-Dino, Catherine Drogou, Pascal Van Beers, Clément Bougard, Arnaud Rabat, Garance Dispersyn, Alexandra Malgoyre, Damien Leger, Danielle Gomez-Merino, Mounir Chennaoui
BACKGROUND: Sleep loss is a risk factor for cardiovascular events mediated through endothelial dysfunction. AIMS: To determine if 7weeks of exercise training can limit cardiovascular dysfunction induced by total sleep deprivation (TSD) in healthy young men. METHODS: 16 subjects were examined during 40-h TSD, both before and after 7weeks of interval exercise training. Vasodilatation induced by ACh, insulin and heat (42°C) and pulse wave velocity (PWV), blood pressure and heart rate (HR) were assessed before TSD (controlday), during TSD, and after one night of sleep recovery...
January 5, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28087891/physical-activity-and-exercise-for-chronic-pain-in-adults-an-overview-of-cochrane-reviews
#14
REVIEW
Louise J Geneen, R Andrew Moore, Clare Clarke, Denis Martin, Lesley A Colvin, Blair H Smith
BACKGROUND: Chronic pain is defined as pain lasting beyond normal tissue healing time, generally taken to be 12 weeks. It contributes to disability, anxiety, depression, sleep disturbances, poor quality of life, and healthcare costs. Chronic pain has a weighted mean prevalence in adults of 20%.For many years, the treatment choice for chronic pain included recommendations for rest and inactivity. However, exercise may have specific benefits in reducing the severity of chronic pain, as well as more general benefits associated with improved overall physical and mental health, and physical functioning...
January 14, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28078878/vitamin-a-decreases-after-a-maximal-incremental-stress-test-in-non-professional-male-runners-with-low-aerobic-performance
#15
P Izzicupo, B Ghinassi, M A D'Amico, T Bucciarelli, S Gallina, A Di Baldassarre
The data on the effects of aerobic training on plasma antioxidant vitamins are conflicting. Additionally, most studies focus on the oxidative profiles of professional athletes, but limited information is available for amateur athlete populations. The aim of this study was to evaluate the effects of high-intensity exercise on antioxidant vitamins in non-professional runners with varying levels of aerobic power. Eighty-one male runners underwent an incremental test to exhaustion. The study population was then divided into the following tertiles according to VO2max: Group L (LowVO2max, less than 44...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28078668/mitochondrial-adaptations-to-exercise-in-human-skeletal-muscle-a-possible-role-for-cristae-density-as-a-determinant-of-muscle-fitness
#16
Christopher G R Perry
Skeletal muscle possesses a remarkable plasticity in response to repeated exercise challenges (i.e. exercise 'training'). A hallmark phenotypic change is an increase in the ability to sustain contraction and resist fatigue. Such increased muscle endurance is linked, in part, to an improved ability to sustain ATP synthesis aerobically through coordinated enhancements in the delivery of oxygen (e.g. cardiorespiratory, vascular adaptations) and its utilization within skeletal muscle mitochondria for the oxidation of fat and carbohydrates...
January 11, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28075422/inflammation-cardiometabolic-markers-and-functional-changes-in-a-randomized-controlled-trial-of-a-12-month-exercise-program-for-prostate-cancer-men
#17
Katarzyna Hojan, Eliza Kwiatkowska-Borowczyk, Ewa Leporowska, Piotr Milecki
INTRODUCTION    Previous studies have shown that physical exercise in cancer patients during radiotherapy (RT) and androgen deprivation therapy (ADT) improves cardiac fitness and quality of life (QoL), and reduces fatigue but it is still not entirely known how it affects inflammation or metabolic factors and what its consequences are in prostate cancer (PCa) patients. OBJECTIVES    Effect of a 12-month physical exercise program on inflammatory and cardiometabolic factors, and on functional status in PCa patients undergoing RT and ADT...
January 10, 2017: Polskie Archiwum Medycyny Wewnętrznej
https://www.readbyqxmd.com/read/28069473/high-intensity-training-improves-global-and-segmental-strains-in-severe-congestive-heart-failure
#18
Yair Blumberg, Offir Ertracht, Itai Gershon, Noa Bachner-Hinenzon, Tali Reuveni, Shaul Atar
BACKGROUND: High intensity training (HIT) is superior to moderate aerobic training (MAT) for improving quality of life in congestive heart failure (CHF) patients. Speckle tracking echocardiography (STE) has recently been suggested for estimation of left ventricle global and regional function. AIMS: We evaluated the utility of STE for characterizing differences in cardiac function following MAT or HIT in a CHF rat model. METHODS AND RESULTS: Following baseline physiological assessment, CHF was induced by coronary artery ligation in Sprague-Dawley rats...
January 6, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28068163/description-and-rate-of-musculoskeletal-injuries-in-air-force-basic-military-trainees-2012-2014
#19
Nathaniel S Nye, Mary T Pawlak, Bryant J Webber, Juste N Tchandja, Michelle R Milner
CONTEXT:  Musculoskeletal injuries are common in military trainees and have significant medical and operational effects. OBJECTIVE:  To provide current musculoskeletal injury epidemiology data for US Air Force basic military trainees. DESIGN:  Descriptive epidemiologic study with cross-sectional features. SETTING:  US Air Force Basic Military Training, Joint Base San Antonio-Lackland, Texas. PATIENTS OR OTHER PARTICIPANTS:  All recruits who entered training between July 1, 2012, and June 30, 2014...
November 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/28064148/community-weight-loss-to-combat-obesity-and-disability-in-at-risk-older-adults
#20
W Jack Rejeski, Walter T Ambrosius, Jonathan H Burdette, Michael P Walkup, Anthony P Marsh
BACKGROUND: Among older, overweight, and obese adults with either cardiovascular disease or the metabolic syndrome, reduced mobility and loss of leg strength are important risk factors for morbidity, disability, and mortality. It is unclear whether community-based approaches to weight loss may be an effective solution to this public health challenge. METHODS: An 18-month three-site, randomized controlled trial conducted by YMCA staff, with blinded assessors, enrolled 249 older, overweight, and obese adults with either cardiovascular disease or metabolic syndrome with randomization to three interventions: weight loss alone (WL), weight loss + aerobic training (WL + AT), and weight loss + resistance training (WT + RT)...
January 6, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
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