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https://www.readbyqxmd.com/read/29050412/adaptive-response-to-exercise-of-fast-growing-and-slow-growing-chicken-strains-blood-oxidative-status-and-non-enzymatic-antioxidant-defense
#1
S Mattioli, A Dal Bosco, S Ruggeri, M Martino, L Moscati, C Pesca, C Castellini
The adaptation of chickens to free-range rearing systems mainly involves the locomotory behavior, which is very different in fast-growing (FG) and slow-growing (SG) strains. This study aimed to compare the effect of moderate locomotory activity (induced and prolonged) on the blood oxidative status in a slow-growing chicken strain with that in a fast-growing one. Thirty FG (Ross 308) birds and 30 SG (Hubbard) birds were divided into 2 groups for each strain and subjected to different treatments: no exercise (the control group [C]) and 1 h of walking at 4 km/h (the exercise group [E])...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/29049901/the-efficacy-of-aerobic-exercise-and-resistance-training-as-transdiagnostic-interventions-for-anxiety-related-disorders-and-constructs-a-randomized-controlled-trial
#2
Daniel M LeBouthillier, Gordon J G Asmundson
Evidence supports exercise as an intervention for many mental health concerns; however, randomized controlled investigations of the efficacy of different exercise modalities and predictors of change are lacking. The purposes of the current trial were to: (1) quantify the effects of aerobic exercise and resistance training on anxiety-related disorder (including anxiety disorders, obsessive-compulsive disorder, and posttraumatic stress disorder) status, symptoms, and constructs, (2) evaluate whether both modalities of exercise were equivalent, and (3) to determine whether exercise enjoyment and physical fitness are associated with symptom reduction...
September 23, 2017: Journal of Anxiety Disorders
https://www.readbyqxmd.com/read/29049052/a-cost-utility-analysis-of-nonsurgical-treatments-for-stress-urinary-incontinence-in-women
#3
Andrea N Simpson, Alaina Garbens, Fahima Dossa, Peter C Coyte, Nancy N Baxter, Colleen D McDermott
OBJECTIVE: The objective of this study was to perform a cost-utility analysis of nonsurgical treatments for stress urinary incontinence (SUI) in healthy adult women with a health system perspective over a 1-year time horizon. METHODS: A decision tree model was constructed to evaluate the following nonsurgical treatment options for SUI in a simulated healthy adult female cohort who had failed Kegel exercises: pelvic floor muscle therapy (PFMT), a disposable tampon device (Impressa), a self-fitting intravaginal incontinence device (Uresta), and a traditional incontinence pessary...
October 18, 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/29048771/catecholaminergic-polymorphic-ventricular-tachycardia-an-update
#4
REVIEW
Andrés R Pérez-Riera, Raimundo Barbosa-Barros, Marianne P C de Rezende Barbosa, Rodrigo Daminello-Raimundo, Augusto A de Lucca, Luiz C de Abreu
Catecholaminergic polymorphic ventricular tachycardia is a rare devastating lethal inherited disorder or sporadic cardiac ion channelopathy characterized by unexplained syncopal episodes, and/or sudden cardiac death (SCD), aborted SCD (ASCD), or sudden cardiac arrest (SCA) observed in children, adolescents, and young adults without structural heart disease, consequence of adrenergically mediated arrhythmias: exercise-induced, by acute emotional stress, atrial pacing, or β-stimulant infusion, even when the electrocardiogram is normal...
October 19, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/29048261/postpartum-mothers-leisure-time-exercise-behavior-is-linked-to-positive-emotion-during-partner-discussions
#5
Rachel L Hutt, Ginger A Moore, Micah A Mammen, Danielle Symons Downs
PURPOSE: Marital dissatisfaction and conflict often increase for couples after the birth of a child and are evident in fewer positive family interactions and more negative family interactions. Because exercise is known to increase positive emotions and decrease negative emotions, the current study examined the extent to which higher levels of mothers' exercise during the postpartum period were related to more positive and fewer negative emotion-expressive behaviors with their infants' fathers...
October 19, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29047079/molecular-basis-of-nitrative-stress-in-the-pathogenesis-of-pulmonary-hypertension
#6
Colin E Evans, You-Yang Zhao
Pulmonary hypertension (PH) is a lung vascular disease with marked increases in pulmonary vascular resistance and pulmonary artery pressure (>25 mmHg at rest). In PH patients, increases in pulmonary vascular resistance lead to impaired cardiac output and reduced exercise tolerance. If untreated, PH progresses to right heart failure and premature lethality. The mechanisms that control the pathogenesis of PH are incompletely understood, but evidence from human and animal studies implicate nitrative stress in the development of PH...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29046974/stress-echocardiography-in-stable-coronary-artery-disease
#7
REVIEW
Sothinathan Gurunathan, Roxy Senior
PURPOSE OF REVIEW: Stress echocardiography (SE) is a well-established technique for the diagnosis and risk stratification of patients with known or suspected coronary artery disease (CAD). This review article summarizes the status of SE in CAD, including testing protocols, clinical efficacy and current use of newer technologies: myocardial perfusion, strain imaging, three-dimensional echocardiography and adjunctive carotid ultrasonography. RECENT FINDINGS: Recent major findings in SE include the clinical value of myocardial perfusion imaging in multicentre studies, as well as when added to left ventricular (LV) wall motion assessment in clinical service...
October 18, 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/29045327/aging-impairs-whole-body-heat-loss-in-women-under-both-dry-and-humid-heat-stress
#8
Sean R Notley, Martin P Poirier, Stephen G Hardcastle, Andreas D Flouris, Pierre Boulay, Ronald J Sigal, Glen P Kenny
PURPOSE: This study was designed to determine whether age-related impairments in whole-body heat loss, which are known to exist in dry heat, also occur in humid heat in women. METHODS: To evaluate this possibility, 10 young (25 ± 4 yr) and 10 older (51 ± 7 yr) women matched for body surface area (young, 1.69 ± 0.11; older, 1.76 ± 0.14 m, P = 0.21) and peak oxygen consumption (V˙O2peak) (young, 38.6 ± 4.6; older, 34.8 ± 6.6 mL·kg·min, P = 0.15) performed four 15-min bouts of cycling at a fixed metabolic heat production rate (300 W; equivalent to ~45% V˙O2peak), each separated by a 15-min recovery, in dry (35°C, 20% relative humidity) and humid heat (35°C, 60% relative humidity)...
November 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29045326/the-effects-of-acute-interval-exercise-and-strawberry-intake-on-postprandial-lipemia
#9
Alasdair F O'Doherty, Huw S Jones, Thozhukat Sathyapalan, Lee Ingle, Sean Carroll
PURPOSE: Raised postprandial triglycerides (TAG) and related oxidative stresses are strongly associated with increased cardiovascular disease risk. Acute exercise and strawberry ingestion independently ameliorate postprandial lipid excursions and oxidative stress. However, the combined effects of these lifestyle interventions are unknown. We investigated whether acute exercise and strawberry consumption improved postprandial responses to an oral fat tolerance test (OFTT) in overweight/obese males...
November 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29042473/pharmacologic-stress-testing-with-myocardial-perfusion-imaging
#10
Robert A Pagnanelli, Heidi L Camposano
Stress testing with myocardial perfusion imaging can be performed with either physical exercise or pharmacologic methods. The preferred method is physical exercise however many patients are unable to reach an adequate endpoint. As an alternative, there are various pharmacologic options available.
October 17, 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/29042058/exercise-induced-complete-atrioventricular-block-utility-of-exercise-stress-test
#11
Srikanth Yandrapalli, Prakash Harikrishnan, Amole Ojo, Venkat Lakshmi Kishan Vuddanda, Diwakar Jain
Exercise induced complete atrioventricular block (EIAVB) is a relatively uncommon condition. This phenomenon is clinically important because it can mimic symptoms of other cardiovascular conditions and may be associated with exercise intolerance and subsequent syncope. A 76year old man with long-standing hypertension and diabetes mellitus presented with recurrent episodes of lightheadedness and syncope with physical activity. ECG showed sinus rhythm with first degree atrioventricular block. Echocardiography did not show any valvular disease causing his symptoms...
September 10, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29041876/-stress-echocardiography-in-the-assessment-of-long-term-outcomes-after-percutaneous-coronary-intervention-in-patients-with-stable-coronary-heart-disease
#12
A Y Karpov, M M Elkanova, N V Shitov, V U Botvina, V V Lopukhova, A M Saidova
AIM: To study the possibilities of stress echocardiography (EchoCG) in the assessment of clinical state of patients after percutaneous coronary intervention (PCI). MATERIAL AND METHODS: We included into this study 80 patients with stable ischemic heart disease. After preliminary examination, all patients underwent PCI. Stress EchoCG was carried out in 6 and 12 months after PCI. RESULTS: Clinical effect assessed in 12 months after revascularization was good in 90% of patients...
July 2017: Kardiologiia
https://www.readbyqxmd.com/read/29040222/neurovascular-response-during-exercise-and-mental-stress-in-anabolic-steroid-users
#13
Rafael Armani Porello, Marcelo Rodrigues Dos Santos, Francis Ribeiro de Souza, Guilherme Wesley Peixoto da Fonseca, Ana Luiza Carrari Sayegh, Tiago Franco de Oliveira, César Abreu Akiho, Maurício Yonamine, Rosa Maria Rodrigues Pereira, Carlos Eduardo Negrão, Maria-Janieire de Nazaré Nunes Alves
PURPOSE: Increased resting muscle sympathetic nerve activity (MSNA) and lower forearm blood flow (FBF) were observed in young men who use anabolic androgenic steroids (AAS). However, the response of MSNA and FBF in AAS users triggered by muscle mechanoreflex and central command has never been tested. Additionally, we evaluated the blood pressure (BP) and heart rate (HR) responses during these maneuvers. METHODS: Nineteen AAS users (AASU) aged 31±6 yr and 18 AAS nonusers (AASNU) aged 29±4 yr were recruited...
October 16, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29038293/loss-of-hepatic-amp-activated-protein-kinase-impedes-the-rate-of-glycogenolysis-but-not-gluconeogenic-fluxes-in-exercising-mice
#14
Curtis C Hughey, Freyja D James, Deanna P Bracy, E Patrick Donahue, Jamey D Young, Benoit Viollet, Marc Foretz, David H Wasserman
Pathologies including diabetes and conditions such as exercise place an unusual demand on liver energy metabolism, and this demand induces a state of energy discharge. Hepatic AMP-activated protein kinase (AMPK) has been proposed to inhibit anabolic processes such as gluconeogenesis in response to cellular energy stress. However, both AMPK activation and glucose release from the liver are increased during exercise. Here, we sought to test the role of hepatic AMPK in the regulation of in vivo glucose producing and citric acid cycle-related fluxes during an acute bout of muscular work...
October 16, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29038285/metabolic-effects-of-diet-and-exercise-in-patients-with-moderate-to-severe-ckd-a-randomized-clinical-trial
#15
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/29036873/fighting-against-a-shortage-of-truck-drivers-in-logistics-measures-that-employers-can-take-to-promote-drivers-work-ability-and-health
#16
Ulrike Staats, Daniela Lohaus, Alina Christmann, Michèle Woitschek
BACKGROUND: For several years, the transportation industry has been concerned about a severe shortage of professional truck drivers. Studies investigating the reasons found that poor working conditions and stresses and strains resulting from physiological and psychological job demands have had a negative impact on drivers' health and ability to work. Nevertheless, until now, most employers have refrained from offering measures to support the work ability and well-being of drivers, mainly due to financial pressures in the industry...
October 10, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/29036767/the-role-of-glycation-in-the-pathogenesis-of-aging-and-its-prevention-through-herbal-products-and-physical-exercise
#17
Chan-Sik Kim, Sok Park, Junghyun Kim
PURPOSE: Advanced glycation end products (AGEs) are non-enzymatic modifications of proteins or lipids after exposure to sugars. In this review, the glycation process and AGEs are introduced, and the harmful effects of AGEs in the aging process are discussed. METHODS: Results from human and animal studies examining the mechanisms and effects of AGEs are considered. In addition, publications addressing means to attenuate glycation stress through AGE inhibitors or physical exercise are reviewed...
September 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29035598/rpe-during-concentric-and-eccentric-cycling-are-we-measuring-effort-or-exertion
#18
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/29035597/influence-of-2-weeks-ingestion-of-high-chlorogenic-acid-coffee-on-mood-state-performance-and-post-exercise-inflammation-and-oxidative-stress-a-randomized-placebo-controlled-trial
#19
David C Nieman, Courtney L Goodman, Christopher R Capps, Zack L Shue, Robert Arnot
This study measured the influence of 2-weeks ingestion of high chlorogenic acid (CQA) coffee on post-exercise inflammation and oxidative stress, with secondary outcomes including performance and mood state. Cyclists (N=15) were randomized to CQA coffee or placebo (300 ml/day) for 2 weeks, participated in a 50-km cycling time trial, and then crossed over to the opposite condition with a 2-week washout period. Blood samples were collected pre- and post-supplementation, and immediately post-exercise. CQA coffee was prepared using the Turkish method with 30 g lightly roasted, highly ground Hambela coffee beans in 300 ml boiling water, and provided 1,066 mg CQA and 474 mg caffeine versus 187 mg CQA and 33 mg caffeine for placebo...
October 16, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29035591/effect-of-intensified-endurance-training-on-pacing-and-performance-in-4000m-cycling-time-trials
#20
Alice M Wallett, Amy L Woods, Nathan G Versey, Laura A Garvican-Lewis, Marijke Welvaert, Kevin G Thompson
Studies examining pacing strategies during 4000m cycling time-trials (TTs) typically ensure participants are not pre-fatigued, however competitive cyclists often undertake TTs when already pre-fatigued. This study aimed to determine how TT pacing strategies and sprint characteristics of cyclists change during an intensified training period (mesocycle). Thirteen cyclists, regularly competing in A and B grade cycling races and consistently training (>10 h·wk-1 for 4±1 years), completed a six-week training mesocycle...
October 16, 2017: International Journal of Sports Physiology and Performance
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