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Aerobic exercise

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https://www.readbyqxmd.com/read/29045325/effects-of-two-years-of-calorie-restriction-on-aerobic-capacity-and-muscle-strength
#1
Susan B Racette, James Rochon, Mary L Uhrich, Dennis T Villareal, Sai Krupa DAS, Luigi Fontana, Manjushri Bhapkar, Corby K Martin, Leanne M Redman, Paul J Fuss, Susan B Roberts, William E Kraus
PURPOSE: Calorie restriction (CR) improves health span and delays age-related diseases in many species. The multicenter Comprehensive Assessment of Long-term Effects of Reducing Intake of Energy (CALERIE) study was the first randomized controlled trial of CR in nonobese humans. The aim of this investigation was to determine the effects of CR on V˙O2max and muscle strength in the CALERIE trial. METHODS: Healthy, normal-weight, and mildly overweight women and men (n = 218, mean ± SE age = 37...
November 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29044337/beneficial-effects-of-intradialytic-cardiopulmonary-rehabilitation
#2
Bruno Medeiros Guio, Carlos Perez Gomes, Fabio Brandão da Costa, Adriana Dos Santos de Oliveira, Marta Turano Duarte, Maurilo Leite
INTRODUCTION: Patients on hemodialysis (HD) present high mortality from cardiovascular complications and high morbidity, including decreasing functional capacity and quality of life. OBJECTIVE: To analyze clinical and laboratory responses of patients in HD to intradialytic cardiopulmonary rehabilitation on an outpatient basis. METHODS: We evaluated 14 patients in a prospective study for 8 months using cardiopulmonary rehabilitation protocol (CRehab) consisted of intradialytic aerobic exercise with a cycle ergometer...
July 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29040224/fes-assisted-cycling-improves-aerobic-capacity-and-locomotor-function-post-cva
#3
Stacey E Aaron, Catherine J VanDerwerker, Aaron E Embry, Jennifer H Newton, Samuel C K Lee, Chris M Gregory
PURPOSE: After a cerebrovascular accident (CVA) aerobic deconditioning contributes to diminished physical function. Functional Electrical Stimulation (FES)-assisted cycling is a promising exercise paradigm designed to target both aerobic capacity and locomotor function. This pilot study aimed to evaluate the effects of an FES-assisted cycling intervention on aerobic capacity and locomotor function in individuals post-CVA. METHODS: Eleven individuals with chronic (> 6 months) post-CVA hemiparesis completed an 8-week (3x/wk; 24 sessions) progressive FES-assisted cycling intervention...
October 16, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29039261/one-year-follow-up-of-the-capo-kids-trial-are-physical-benefits-maintained
#4
Rossana C Nogueira, Benjamin K Weeks, Belinda Beck
PURPOSE: To determine the 12-month maintenance of a 9-month, thrice-weekly, 10-minute high-intensity exercise program, delivered in schools, on bone and other health-related performance variables in prepubertal children. METHODS: All participants (N = 311) of the CAPO kids trial (testing times T1-T2) were contacted to undergo retesting (T3) of all original measures-including weight, standing and sitting height, calcaneal broadband ultrasound attenuation (Achilles, GE), and stiffness index (Achilles, GE)-waist circumference, resting heart rate, blood pressure, vertical jump, and aerobic capacity...
October 17, 2017: Pediatric Exercise Science
https://www.readbyqxmd.com/read/29038285/metabolic-effects-of-diet-and-exercise-in-patients-with-moderate-to-severe-ckd-a-randomized-clinical-trial
#5
T Alp Ikizler, Cassianne Robinson-Cohen, Charles Ellis, Samuel A E Headley, Katherine Tuttle, Richard J Wood, Elizabeth Elspeth Evans, Charles M Milch, Kelsey Anne Moody, Michael Germain, Chutatip Limkunakul, Aihua Bian, Thomas G Stewart, Jonathan Himmelfarb
CKD is steadily increasing along with obesity worldwide. Furthermore, obesity is a proinflammatory risk factor for progression of CKD and cardiovascular disease. We tested the hypothesis that implementation of caloric restriction and aerobic exercise is feasible and can improve the proinflammatory metabolic milieu in patients with moderate to severe CKD through a pilot, randomized, 2×2 factorial design trial. Of 122 participants consented, 111 were randomized to receive caloric restriction and aerobic exercise, caloric restriction alone, aerobic exercise alone, or usual care...
October 16, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29037326/%C3%AE-hydroxy-%C3%AE-methylbutyrate-free-acid-supplementation-may-improve-recovery-and-muscle-adaptations-after-resistance-training-a-systematic-review
#6
REVIEW
Vagner R Silva, Felipe L Belozo, Thayana O Micheletti, Marcelo Conrado, Jeffrey R Stout, Gustavo D Pimentel, Adam M Gonzalez
β-Hydroxy-β-methylbutyrate free acid (HMB-FA) has been suggested to accelerate the regenerative capacity of skeletal muscle after high-intensity exercise and attenuate markers of skeletal muscle damage. Herein a systematic review on the use of HMB-FA supplementation as an ergogenic aid to improve measures of muscle recovery, performance, and hypertrophy after resistance training was conducted. This review was performed using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses. We included randomized, double-blinded, placebo-controlled trials investigating the effects of HMB-FA supplementation in conjunction with resistance exercise in humans...
September 2017: Nutrition Research
https://www.readbyqxmd.com/read/29037162/feasibility-of-a-multi-modal-exercise-program-on-cognition-in-older-adults-with-type-2-diabetes-a-pilot-randomised-controlled-trial
#7
M L Callisaya, R M Daly, J E Sharman, D Bruce, T M E Davis, T Greenaway, M Nolan, R Beare, M G Schultz, T Phan, L C Blizzard, V K Srikanth
BACKGROUND: Type 2 Diabetes (T2D) is associated with increased risk of dementia. We aimed to determine the feasibility of a randomised controlled trial (RCT) examining the efficacy of exercise on cognition and brain structure in people with T2D. METHODS: A 6-month pilot parallel RCT of a progressive aerobic- and resistance-training program versus a gentle movement control group in people with T2D aged 50-75 years (n = 50) at the University of Tasmania, Australia...
October 16, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/29036816/sex-difference-in-aerobic-exercise-efficacy-to-improve-cognition-in-older-adults-with-vascular-cognitive-impairment-secondary-analysis-of-a-randomized-controlled-trial
#8
Cindy K Barha, Ging-Yuek R Hsiung, John R Best, Jennifer C Davis, Janice J Eng, Claudia Jacova, Philip E Lee, Michelle Munkacsy, Winnie Cheung, Teresa Liu-Ambrose
Aerobic training (AT) is a promising, non-pharmacological intervention to mitigate the deleterious effects of aging and disease on brain health. However, a large amount of variation exists in its efficacy. This is a secondary analysis of a randomized controlled trial of AT in 71 older adults with subcortical ischemic vascular cognitive impairment (NCT01027858). Specifically, we investigated: 1) whether sex moderates the relationship between AT and executive functions, and 2) the role of brain derived neurotrophic factor (BDNF) and gains in functional fitness capacity...
October 12, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29036762/low-intensity-aerobic-exercise-training-inhibition-of-skeletal-muscle-atrophy-in-high-fat-diet-induced-ovariectomized-rats
#9
Hye Jin Kim, Won Jun Lee
PURPOSE: Postmenopausal women are highly susceptible to diseases, such as obesity, type 2 diabetes, osteoporosis, or skeletal muscle atrophy and many people recognize the need for regular physical activity. Aerobic exercise training is known to improve the oxidative capacity and insulin sensitivity of skeletal muscles. This study aimed to investigate the role of low-intensity aerobic exercise training on skeletal muscle protein degradation or synthesis in the plantaris muscles of high-fat-fed ovariectomized rats...
September 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29036016/exercise-preserves-physical-function-in-prostate-cancer-patients-with-bone-metastases
#10
Daniel A Galvão, Dennis R Taaffe, Nigel Spry, Prue Cormie, David Joseph, Suzanne K Chambers, Raphael Chee, Carolyn Peddle-McIntyre, Nicolas H Hart, Freerk T Baumann, James Denham, Michael Baker, Robert U Newton
PURPOSE: The presence of bone metastases has excluded participation of cancer patients in exercise interventions and is a relative contraindication to supervised exercise in the community setting due to concerns of fragility fracture. We examined the efficacy and safety of a modular multi-modal exercise program in prostate cancer patients with bone metastases. METHODS: Between 2012 and 2015, 57 prostate cancer patients (70.0±8.4 years; BMI 28.7±4.0 kg/m) with bone metastases (pelvis 75...
October 14, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29035598/rpe-during-concentric-and-eccentric-cycling-are-we-measuring-effort-or-exertion
#11
Luis Peñailillo, Karen Mackay, Chris R Abbiss
Despite the terms often being used interchangeably it has been suggested that perceptions of effort and perceptions of exertion may differ. Eccentric cycling may provide a model of exercise by which differences between these perceptions can be examined. PURPOSE: of this study was to examine and compare perceptions of effort and exertion during eccentric and concentric cycling at four intensities. METHODS: Ten healthy male participants (mean ± SD; age: 29.8 ± 2...
October 16, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29034615/effects-of-an-exercise-model-based-on-functional-circuits-in-an-older-population-with-different-levels-of-social-participation
#12
Walter Sepúlveda Loyola, Carlos Augusto Camillo, Carolina Valenzuela Torres, Vanessa Suziane Probst
AIM: To investigate whether being part of a community organization interfered with older adults' overall functionality. The magnitude of responses to a community exercise program based on functional circuits in socially active and socially non-active older adults was also investigated. METHODS: A total of 200 older adults aged ≥60 years from Requinoa, Chile, participated in the study. Participants were separated into two groups according to the level of social participation: socially active (SA) and socially non-active (SNA)...
October 15, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/29033829/exercise-training-increases-parietal-lobe-cerebral-blood-flow-in-chronic-stroke-an-observational-study
#13
Andrew D Robertson, Susan Marzolini, Laura E Middleton, Vincenzo S Basile, Paul I Oh, Bradley J MacIntosh
Exercise is increasingly recommended as an essential component of stroke rehabilitation, yet uncertainty remains with respect to its direct effect on the cerebral vasculature. The current study first demonstrated the repeatability of pseudo-continuous arterial spin labeling (ASL) magnetic resonance imaging (MRI) in older adults with stroke, and then investigated the change in cerebrovascular function following a 6-month cardiovascular rehabilitation program. In the repeatability study, 12 participants at least 3 months post-stroke underwent two ASL imaging scans 1 month apart...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29033146/the-prevalence-and-performance-of-resistance-exercise-training-activities-in-an-australian-population-in-relation-to-health-authority-guidelines
#14
Brendan Humphries, Rob Stanton, Aaron Scanlan, Mitch J Duncan
OBJECTIVES: Resistance training research highlights the importance of training intensity to resistance exercise training (RET) and the associated benefits to health and function for healthy and at-risk populations. The American College of Sports Medicine (ACSM) recommend specific intensities, frequencies, repetitions, and number of exercises of RET to be performed to maintain health. The primary aim of this study was to describe the prevalence of achieving recommended levels of RET in relation to ACSM guidelines for intensity, frequency, repetitions, and number of exercises in a regional Australian population...
September 29, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29032385/exercise-training-response-heterogeneity-physiological-and-molecular-insights
#15
REVIEW
Lauren M Sparks
The overall beneficial effects of exercise are well studied, but why some people do not respond favourably to exercise is less understood. The National Institutes of Health Common Fund has recently launched the large-scale discovery project 'Molecular Transducers of Physical Activity in Humans' to examine the physiological and molecular (i.e. genetic, epigenetic, lipidomic, metabolomic, proteomic, etc.) responses to exercise training. A nationwide, multicentre clinical trial such as this one also provides a unique opportunity to robustly investigate the non-response to exercise in thousands of individuals that have undergone supervised aerobic- and resistance-based exercise training interventions...
October 14, 2017: Diabetologia
https://www.readbyqxmd.com/read/29031520/executive-function-responses-to-aerobic-exercise-in-alzheimer-s-disease
#16
Fang Yu, David M Vock, Terry R Barclay
Executive dysfunction occurs early and is prevalent in Alzheimer's disease (AD). This study tested the ability of different measures for identifying changes in executive function and the effect of 6-months of aerobic exercise on executive function in older adults with mild to moderate AD, using a single-group, repeated-measures design (n = 28, age 78.1 ± 8.37). Factor analysis and linear mixed-effects model analyses showed that individually the Exit Interview-25 (EXIT-25), Behavioral Dyscontrol Scale (BDS), and Golden Stroop test were the preferred instruments for measuring changes in executive function in the sample...
October 11, 2017: Geriatric Nursing
https://www.readbyqxmd.com/read/29031333/benefits-of-exercise-in-the-older-population
#17
REVIEW
Juan Galloza, Brenda Castillo, William Micheo
Older adults 65 years of age and older compose a great portion of the US population. Physiologic changes of aging that limit function and general quality of life occur at a faster rate as we get older. There is high-quality evidence that exercise activity has many favorable benefits for older adults. The ideal exercise program in older adults should include aerobic, resistance, flexibility, and balance training. The exercise recommendations should be individually tailored to the abilities, precautions, and goals of each person...
November 2017: Physical Medicine and Rehabilitation Clinics of North America
https://www.readbyqxmd.com/read/29030236/long-term-aerobic-exercise-in-calsequestrin2-knockout-mice-accentuates-vagal-antagonism-during-%C3%AE-adrenergic-stimulation-which-restricts-heart-rate-acceleration-and-paradoxically-increases-abnormal-ryanodine-receptor-calcium-leak-in-ventricular-myocytes
#18
Hsiang-Ting Ho, Senthil Thambidorai, Björn C Knollmann, George E Billman, Sandor Györke, Anuradha Kalyanasundaram
BACKGROUND: Long-term aerobic exercise (EX) alters autonomic balance which may not be favorable in heart rate (HR) dependent arrhythmic diseases including Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT) due to preexisting bradycardia and increased sensitivity to parasympathetic stimulation. OBJECTIVE: The purpose of this study was to determine if long-term exercise-induced autonomic adaptations modify CPVT susceptibility. METHODS: We determined exercise-induced parasympathetic effects on HR, arrhythmia incidence and intracellular sarcoplasmic reticulum (SR) Ca(2+) leak in atrial (ACM) and ventricular (VCM) cardiomyocytes, in EX Calsequestrin knockout (CASQ2(-/-)) mice, a model of CPVT...
October 10, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29030088/effects-of-n-acetylcysteine-on-isolated-skeletal-muscle-contractile-properties-after-an-acute-bout-of-aerobic-exercise
#19
Paulo R Jannig, Christiano R R Alves, Vanessa A Voltarelli, Luiz H M Bozi, Janaína S Vieira, Patricia C Brum, Luiz R G Bechara
AIMS: The current study tested the hypotheses that 1) an acute bout of aerobic exercise impairs isolated skeletal muscle contractile properties and 2) N-acetylcysteine (a thiol antioxidant; NAC) administration can restore the impaired muscle contractility after exercise. MAIN METHODS: At rest or immediately after an acute bout of aerobic exercise, extensor digitorum longus (EDL) and soleus muscles from male Wistar rats were harvested for ex vivo skeletal muscle contraction experiments...
October 10, 2017: Life Sciences
https://www.readbyqxmd.com/read/29027544/long-term-effects-of-exercise-and-physical-therapy-in-people-with-parkinson-disease
#20
REVIEW
Margaret K Mak, Irene S Wong-Yu, Xia Shen, Chloe L Chung
Parkinson disease (PD) is a progressive, neurodegenerative movement disorder with symptoms reflecting various impairments and functional limitations, such as postural instability, gait disturbance, immobility and falls. In addition to pharmacological and surgical management of PD, exercise and physical therapy interventions are also being actively researched. This Review provides an overview of the effects of PD on physical activity - including muscle weakness, reduced aerobic capacity, gait impairment, balance disorders and falls...
October 13, 2017: Nature Reviews. Neurology
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