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Aerobic exercise

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https://www.readbyqxmd.com/read/27904555/effects-of-aerobic-exercise-on-hematologic-indices-of-women-with-rheumatoid-arthritis-a-randomized-clinical-trial
#1
Yaser Jafari Shapoorabadi, Babak Vahdatpour, Mansour Salesi, Hadiseh Ramezanian
BACKGROUND: To investigate the effects of moderate aerobic exercise on the hemoglobin, hematocrit, and red blood cell (RBC) mass of women with rheumatoid arthritis (RA). MATERIALS AND METHODS: This randomized clinical trial was conducted at the Specialized Clinic of Physical Medicine and Rehabilitation, Al-Zahra Hospital of Isfahan, during a 4-month period in 2014. We included patients with RA who did not have any malignancy and hematologic disorder. Two groups - one group receiving aerobic therapy along with medical therapy (N = 16) and the other group receiving medical therapy alone (N = 17) both for a period of 8 weeks...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27904541/effect-of-eight-week-aerobic-resistive-and-interval-exercise-routines-on-respiratory-parameters-in-non-athlete-women
#2
Vahan Moradians, Alireza Rahimi, Seyed Ali Javad Moosavi, Fateme Sadat Sahebkar Khorasani, Ali Mazaherinejad, Masoud Mortezazade, Hanieh Raji
BACKGROUND: There are not many studies about the effects of physical activity on pulmonary function in normal population. However, it seems that strengthening and persevering respiratory muscles is an effective technique for improving pulmonary function. OBJECTIVE: The purpose of this study was to evaluate and compare the effects of eight-week aerobic, resistance, and interval exercise routines on respiratory parameters in non-athlete women. MATERIALS AND METHODS: Thirty-six non-athlete women between 18-25 years old participated in this prospective quasi-experimental trial...
2016: Tanaffos
https://www.readbyqxmd.com/read/27903541/lifelong-physical-activity-regardless-of-dose-is-not-associated-with-myocardial-fibrosis
#3
Shuaib M Abdullah, Kyler W Barkley, Paul S Bhella, Jeffrey L Hastings, Susan Matulevicius, Naoki Fujimoto, Shigeki Shibata, Graeme Carrick-Ranson, M Dean Palmer, Nainesh Gandhi, Laura F DeFina, Benjamin D Levine
BACKGROUND: Recent reports have suggested that long-term, intensive physical training may be associated with adverse cardiovascular effects, including the development of myocardial fibrosis. However, the dose-response association of different levels of lifelong physical activity on myocardial fibrosis has not been evaluated. METHODS AND RESULTS: Seniors free of major chronic illnesses were recruited from predefined populations based on the consistent documentation of stable physical activity over >25 years and were classified into 4 groups by the number of sessions/week of aerobic activities ≥30 minutes: sedentary (group 1), <2 sessions; casual (group 2), 2 to 3 sessions; committed (group 3), 4 to 5 sessions; and Masters athletes (group 4), 6 to 7 sessions plus regular competitions...
November 2016: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/27901338/determinant-factors-of-peak-treadmill-speed-in-physically-active-men
#4
Leonardo Alves Pasqua, Mayara V Damasceno, Salomão Bueno, Alessandro M Zagatto, Gustavo G DE Araújo, Adriano E Lima-Silva, Rômulo Bertuzzi
BACKGROUND: The aim of the present study was to determine whether physiological factors and maximal dynamic strength are able to determine the peak treadmill speed (PTS) in physically active individuals. METHODS: One hundred and fifty physically active healthy males voluntarily visit the laboratory on three separate occasions and underwent the following activities: first visit: IPAQ (short version), anthropometric measurements, and a maximal incremental test performed for physiological variables (maximal oxygen uptake ( ) and respiratory compensation point (RCP); second visit: constant speed test for running economy (RE) measurement, and familiarization with the maximum dynamic strength (1RM) test in the leg press exercise; third visit: 1RM test...
November 30, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27901337/the-effect-of-exercise-induced-weight-loss-on-myokines-and-adipokines-in-overweight-sedentary-females-steps-aerobics-vs-jogging-walking-exercises
#5
Halil Duzova, Esin Gullu, Guner Cicek, Burcu K Koksal, Basak Kayhan, Abdullah Gullu, Ibrahim Sahin
BACKGROUND: The objectives of this study were to verify effects of step-aerobic exercise (SAE) and jogging-walking exercise (JWE) program on myokines and adipokines levels in overweight sedentary females. METHODS: Volunteer subjects (n=25) were assigned to two exercise groups: steps aerobics and jogging-walking. The exercise program given to them was for five days a week and for twelve weeks period. Serum samples were collected from venous blood before and immediately after cardio-respiratory fitness test (CRF) by Bruce protocol and stored at -80 C until they were assayed before 12 weeks exercise program...
November 30, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27901314/effects-of-hypoxia-and-hypercapnic-hypoxia-on-oxygen-transport-and-acid-base-status-in-the-atlantic-blue-crab-callinectes-sapidus-during-exercise
#6
Mark P Lehtonen, Louis E Burnett
The responses of estuarine invertebrates to hypoxic conditions are well established. However, many studies have investigated hypoxia as an isolated condition despite its frequent co-occurrence with hypercapnia (elevated CO2 ). Although many studies suggest deleterious effects, hypercapnia has been observed to improve blue crab walking performance in hypoxia. To investigate the physiological effects of combined hypercapnic hypoxia, we measured Po2 , pH, [l-lactate], Pco2 , and total O2 in pre- and postbranchial hemolymph sampled from blue crabs during walking exercise...
November 30, 2016: Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology
https://www.readbyqxmd.com/read/27900199/effects-of-exercise-on-markers-of-oxidative-stress-an-ancillary-analysis-of-the-alberta-physical-activity-and-breast-cancer-prevention-trial
#7
Christine M Friedenreich, Vincent Pialoux, Qinggang Wang, Eileen Shaw, Darren R Brenner, Xavier Waltz, Shannon M Conroy, Rhys Johnson, Christy G Woolcott, Marc J Poulin, Kerry S Courneya
BACKGROUND: Oxidative stress may contribute to cancer aetiology through several mechanisms involving damage to DNA, proteins and lipids leading to genetic mutations and genomic instability. The objective of this study was to determine the effects of aerobic exercise on markers of oxidative damage and antioxidant enzymes in postmenopausal women. METHODS: The Alberta Physical Activity and Breast Cancer Prevention Trial (ALPHA) was a two-centre, two-armed randomised trial of 320 inactive, healthy, postmenopausal women aged 50-74 years...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27900177/high-intensity-interval-training-to-improve-fitness-in-children-with-cerebral-palsy
#8
Reidun Lauglo, Torstein Vik, Torarin Lamvik, Dorthe Stensvold, Ane-Kristine Finbråten, Trine Moholdt
AIM: To evaluate effects of high-intensity interval training (HIT) on aerobic exercise capacity, quality of life, and body composition in children with cerebral palsy (CP). METHODS: This was a baseline control trial. Children with CP, Gross Motor Function Classification System (GMFCS) levels I-IV, and age 10-17 years were included. The primary outcome, peak, and submaximum oxygen uptake (VO2peak, VO2submax) were measured at enrolment to the study (T0), after a pretraining period (T1), and after HIT (T2)...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27900172/comparative-effects-of-three-48-week-community-based-physical-activity-and-exercise-interventions-on-aerobic-capacity-total-cholesterol-and-mean-arterial-blood-pressure
#9
Steven Mann, Alfonso Jimenez, Sarah Domone, Chris Beedie
AIM: Insufficient research examines the treatment effectiveness of real-world physical activity (PA) interventions. PURPOSE: We investigated the effects of 3 interventions on directly measured cardiovascular variables. All treatments and measures were administered in community settings by fitness centre staff. METHODS: Participants were sedentary individuals receiving no medication to reduce cardiovascular disease (CVD) risk (n=369, age 43 ±5 years)...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27898641/oral-contraceptive-use-dampens-physiological-adaptations-to-sprint-interval-training
#10
Mia A Schaumberg, David G Jenkins, Xanne A K Janse de Jonge, Lynne M Emmerton, Tina L Skinner
PURPOSE: Oral contraceptive (OC) use reduces peak aerobic capacity (V˙O2peak), however, whether it also influences adaptations to training has yet to be determined. This study aimed to examine the influence of OC use on peak performance [peak power output (PPO)] and physiological adaptations [V˙O2peak and peak cardiac output (Q˙peak)] following sprint interval training (SIT) in recreationally-active women. METHODS: Women taking an OC (n=25) or experiencing natural regular menstrual cycles (MC; n=16) completed an incremental exercise test to assess V˙O2peak, PPO, and Q˙peak before, immediately after, and four weeks following 12 sessions of SIT...
November 28, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27897440/association-between-aerobic-exercise-training-effects-of-serum-adropin-level-arterial-stiffness-and-adiposity-in-obese-elderly-adults
#11
Shumpei Fujie, Natsuki Hasegawa, Toshiyuki Kurihara, Kiyoshi Sanada, Takafumi Hamaoka, Motoyuki Iemitsu
Serum levels of adropin, which enhances endothelial cell release of nitric oxide (NO), are lower in obese patients. Although habitual aerobic exercise reduces arterial stiffness and adiposity, the relationship between these effects and circulating levels of adropin remains unclear. The purpose of this study was to determine if serum adropin level is associated with the effects of aerobic exercise training on arterial stiffness and adiposity in obese adults. In Experiment 1, we examined whether serum adropin levels are associated with cardiorespiratory fitness, carotid β-stiffness, plasma nitrite/nitrate (NOx) level, and abdominal visceral fat in 27 normal, 20 overweight, and 25 obese adults (age, 41-79 years)...
September 13, 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/27895662/muscle-enriched-micrornas-isolated-from-whole-blood-are-regulated-by-exercise-and-are-potential-biomarkers-of-cardiorespiratory-fitness
#12
Joshua Denham, Priscilla R Prestes
MicroRNAs (miRNAs) are small non-coding RNA molecules that regulate gene expression post-transcriptionally. Evidence indicating miRNAs influence exercise-induced health and performance adaptations is mounting. Circulating miRNAs are responsible for intercellular communication and could serve as biomarkers for disease and exercise-related traits. Such biomarkers would contribute to exercise screening, monitoring, and the development of personalized exercise prescription. Accordingly, we investigated the impact of long-term strenuous aerobic exercise training and a single bout of maximal aerobic exercise on five muscle-enriched miRNAs implicated in exercise adaptations (miR-1, miR-133a, miR-181a, miR-486, and miR-494)...
2016: Frontiers in Genetics
https://www.readbyqxmd.com/read/27895211/improvement-in-aerobic-capacity-during-cardiac-rehabilitation-in-coronary-artery-disease-patients-is-there-a-role-for-autonomic-adaptations
#13
Davide Lazzeroni, Paolo Castiglioni, Matteo Bini, Andrea Faini, Umberto Camaiora, Pietro Tito Ugolotti, Claudio Stefano Centorbi, Lorenzo Brambilla, Valerio Brambilla, Massimo Francesco Piepoli, Paolo Coruzzi
BACKGROUND: It has been previously shown in patients with heart failure that exercise-based rehabilitation programmes may improve functional capacity and autonomic response. The aim of this study was to investigate this issue further by evaluating whether an association exists between autonomic adaptations and improvements of aerobic capacity in a general population of coronary artery disease patients undergoing cardiac rehabilitation. METHODS: Ninety consecutive patients (age 60 ± 11 years) attended a rehabilitation programme of moderate continuous training (25 ± 8 sessions, 2-3 sessions/week)...
November 28, 2016: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/27895075/associations-of-specific-types-of-sports-and-exercise-with-all-cause-and-cardiovascular-disease-mortality-a-cohort-study-of-80%C3%A2-306-british-adults
#14
Pekka Oja, Paul Kelly, Zeljko Pedisic, Sylvia Titze, Adrian Bauman, Charlie Foster, Mark Hamer, Melvyn Hillsdon, Emmanuel Stamatakis
BACKGROUND/AIM: Evidence for the long-term health effects of specific sport disciplines is scarce. Therefore, we examined the associations of six different types of sport/exercise with all-cause and cardiovascular disease (CVD) mortality risk in a large pooled Scottish and English population-based cohort. METHODS: Cox proportional hazards regression was used to investigate the associations between each exposure and all-cause and CVD mortality with adjustment for potential confounders in 80 306 individuals (54% women; mean±SD age: 52±14 years)...
November 28, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27894792/pyruvate-dehydrogenase-e1%C3%AE-deficiency-presenting-as-recurrent-acute-proximal-muscle-weakness-of-upper-and-lower-extremities-in-an-8-year-old-boy
#15
Bülent Kara, Hülya Maraş Genç, Emek Uyur-Yalçın, Ayfer Sakarya-Güneş, Uğur Topçu, Serap Mülayim, Serdar Ceylaner
The mitochondrial pyruvate dehydrogenase enzyme complex (PDHC) plays an important role in aerobic energy metabolism and acid-base equilibrium. PDHC contains of 5 enzymes, 3 catalytic (E1, E2, E3) and 2 regulatory, as well as 3 cofactors and an additional protein (E3-binding protein) encoded by nuclear genes. The clinical presentation of PDHC deficiency ranges from fatal neonatal lactic acidosis to chronic neurologic dysfunction without lactic acidosis. Paroxysmal neurologic problems such as intermittent ataxia, episodic weakness, exercise-induced dystonia and recurrent demyelination may also be seen although they are rare...
November 9, 2016: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/27893563/resistance-training-improves-muscle-function-and-cardiometabolic-risks-but-not-quality-of-life-in-older-people-with-type-2-diabetes-mellitus-a-randomized-controlled-trial
#16
Ping-Lun Hsieh, Chin-Hsiao Tseng, Yufeng Jane Tseng, Wei-Shiung Yang
BACKGROUND AND PURPOSE: In older people with type 2 diabetes mellitus (T2DM), the effects of aging and T2DM may compromise the function of skeletal muscle, deteriorate metabolic status, and jeopardize physical performance, aerobic capacity, and quality of life (QoL). The purpose of this study was to investigate the effects of 12 weeks of resistance training (RT) on muscle function, physical performance, cardiometabolic risks, and QoL in older people with T2DM. METHODS: This study was a randomized controlled trial that employed block randomization, assessor blinding, and the intention-to-treat principle...
November 23, 2016: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/27892704/the-effects-of-a-16-week-aerobic-exercise-programme-on-cognitive-function-in-people-living-with-hiv
#17
Adam McDermott, Lilia Zaporojan, Patricia McNamara, Colin P Doherty, Janice Redmond, Cuisle Forde, John Gormley, Mikel Egaña, Colm Bergin
High levels of cardiovascular fitness and physical activity are associated with higher levels of cognitive function in people with HIV, thus, they may reduce the risk of developing HIV-associated neurocognitive disorder (HAND). This study aimed to investigate the effects of a 16-week aerobic exercise intervention on cognitive function in people with HIV. Eleven participants living with HIV were recruited into the study. Participants were randomised into either an exercise group (n = 5), that completed a 16-week aerobic exercise programme training, 3 times per week (2 supervised sessions and one unsupervised session) or a control group (n = 6) that received no intervention...
November 28, 2016: AIDS Care
https://www.readbyqxmd.com/read/27891259/neurocardiogenic-syncope-and-supraventricular-tachycardia-in-association-with-a-rare-congenital-aortic-valve-abnormality
#18
Yashwant Agrawal, Jagadeesh K Kalavakunta, Vishal Gupta, William Lapenna
We report a case of a 26-year-old woman who presented with multiple episodes of syncope over a five-months period of time. Transthoracic echocardiogram had shown a normal functioning quadricuspid aortic valve (QAV) which was also confirmed on a transesophageal echocardiogram. Computed tomographic angiography of heart and coronary arteries showed the QAV with equal size of all aortic cusps and normal coronary arteries. Intermittent chest pain and palpitations warranted an exercise stress test. The stress test revealed normal aerobic exertion, with achievement of 101% of maximal peak heart rate...
2016: Case Reports in Cardiology
https://www.readbyqxmd.com/read/27890588/aerobic-and-resistance-exercise-reinforcement-and-discomfort-tolerance-predict-meeting-activity-guidelines
#19
Kyle D Flack, LuAnn Johnson, James N Roemmich
BACKGROUND: Understanding individual-differences of those people who do and do not meet physical activity recommendations could inform targets for increasing physical activity. Exercise reinforcement may be one such individual-level determinate, but it is not yet known whether those who meet activity guidelines have a greater relative reinforcing value (RRV) of aerobic exercise training (RRVAT) or resistance training (RRVRT). The predictors of RRVAT or RRVRT are also not yet known. PURPOSE: To determine whether individuals who meet aerobic activity or muscle strengthening activity guidelines have greater RRVAT or RRVRT and whether the preference and tolerance for exercise intensity predicts RRVAT or RRVRT...
November 24, 2016: Physiology & Behavior
https://www.readbyqxmd.com/read/27889837/exercise-training-effects-on-memory-and-hippocampal-viscoelasticity-in-multiple-sclerosis-a-novel-application-of-magnetic-resonance-elastography
#20
Brian M Sandroff, Curtis L Johnson, Robert W Motl
INTRODUCTION: Cognitive impairment is common and debilitating among persons with multiple sclerosis (MS) and might be managed with exercise training. However, the effects of exercise training on viscoelastic brain properties in this population are unknown. The present pilot study adopted a single-blind randomized controlled trial (RCT) design and is the first to examine the effect of an aerobic exercise training intervention on learning and memory and hippocampal viscoelasticity using magnetic resonance elastography (MRE) in persons with MS...
November 26, 2016: Neuroradiology
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