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Results 101 - 150 of 1857
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Suzuki K K Faculty of Sport Sciences, Waseda University, Tokorozawa, Japan - - - 2014
Aim of the present study was to compare the effects of highly branched cyclic dextrin (HBCD) drink with a glucose-based control drink on immunoendocrine responses to endurance exercise. Using a randomized, double-blind placebo-controlled cross-over design, seven male triathletes participated in two duathlon races separated by one month, consisting of 5 ...
Hassan E S ES Department of Sports Health Science, College of Physical Education, Assiut University, Assiut, Egypt - - - 2014
This study examined the muscles ability to adapt to eccentric exercise by the changes in serum myoglobin (Mb), creatine kinase (CK) activity and muscle soreness. The study involved 54 healthy young men from the 23± 2yr age group. These were distributed as subjects for three types of experiments with 18 ...
Unnithan Viswanath B VB Faculty of Health Sciences, Centre for Sport, Health and Exercise Research, Staffordshire University, Brindley Building, Leek Road, Stoke-on-Trent, ST4 2DF, UK, - - 2014
Little evidence exists with regard to the effect that exercise training has upon oxygen uptake kinetics in adolescent females. The aim of the study was to compare [Formula: see text] and muscle deoxygenation kinetics in a group of trained (Tr) and untrained (Utr) female adolescents. Twelve trained (6.4 ± 0.9 years training, 10.3 ± 1.4 months ...
Oh Sechang S Division of Clinical Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, 305-8575, - - 2014
Recently, the beneficial effects of increased physical activity (PA) on non-alcoholic fatty liver disease (NAFLD) in obese subjects have been reported. However, the optimal strength and volume of PA in lifestyle modification to improve NAFLD pathophysiology and be recommended as an appropriate management of this condition are unclear. The primary ...
Smith Catherine M CM University of Otago, Dunedin, New Zealand - - 2014
Researchers have suggested that men with multiple sclerosis (MS) experience lower self-efficacy than women with MS and have linked women's self-efficacy with a sense of perceived control over symptoms and activities. Self-efficacy-the belief in one's own ability to achieve an outcome-has also been linked to engagement in healthy behaviors such ...
Husebø Anne Marie L AM Author Affiliations: Department of Health Studies, University of Stavanger, Norway (Mrs Husebø and Dr Karlsen); School of Health & Education, Middlesex University, England (Dr Allan); and Department of Gastrointestinal Surgery, Stavanger University Hospital, Norway (Dr Søreide); Department of Clinical Medicine, University of Bergen, Norway (Dr Søreide); and Norwegian Centre for Learning Environment and Behavioural Research in Education, University of Stavanger, Norway (Dr - - 2014
Breast cancer treatment can represent a threat to a patient's wellness. The role of exercise in perceived wellness in women with breast cancer merits further study. The objective of this study was to describe how exercise is perceived by women to influence their physical and psychosocial wellness at the time ...
Sampedro-Piquero P P Laboratorio de Neurociencias. Departamento de Psicología. Universidad de Oviedo. Plaza Feijoo s/n. 33003 Oviedo, Spain. Electronic address: - - 2014
We have studied the performance of a spatial reference memory task, the navigation strategy and the changes in the cytochrome c oxidase activity (COx) in different brain regions in exercised (forced exercise, 10 consecutive days, 15 min/day) and non-exercised adult Wistar rats. The spatial learning task was carried out in ...
Sitjà-Rabert Mercè M Blanquerna School of Health Sciences (Universitat Ramon Llull), Barcelona, Spain. Electronic address: - - 2014
To assess the efficacy of an exercise program on a whole-body vibration platform (WBV) in improving body balance and muscle performance and preventing falls in institutionalized elderly people. A multicentre randomized parallel assessor-blinded clinical trial was conducted in elderly persons living in nursing homes. Participants were randomized to an exercise ...
Hioki Hirofumi H Department of Cardiovascular Disease, Shinshu University School of Medicine, Matsumoto, - - 2014
Purpose : To examine in claudicant patients with aortoiliac lesions the relationship between the post-exercise ankle-brachial index (ABI) and the peripheral fractional flow reserve (p-FFR), a physiological test that has heretofore been used to assess coronary and renal artery stenosis. Methods : Sixteen male patients (mean age 68.1±7.5 years) with ...
Mora-Rodriguez Ricardo R Exercise Physiology Laboratory at Toledo, University of Castilla-La Mancha, Toledo, - - 2014
Energy drinks are increasingly popular among athletes and others. Advertising for these products typically features images conjuring great muscle power and endurance; however, the scientific literature provides sparse evidence for an ergogenic role of energy drinks. Although the composition of energy drinks varies, most contain caffeine; carbohydrates, amino acids, herbs, ...
Cramer Larissa L Applied Cachexia Research, Department of Cardiology, Charité Medical School, Campus Virchow-Klinikum, Berlin, - - 2014
Patients with colorectal cancer (CRC) often present with dyspnea and fatigue. These are also frequent symptoms in patients with chronic heart failure (CHF). We hypothesized that similar patterns of cardiovascular perturbations are present in CRC and CHF. We prospectively studied 50 patients with CRC, 51 patients with CHF, and 51 control ...
Pelletier C A CA Department of Kinesiology, McMaster University, Hamilton, Ontario, - - 2014
Study Design:Randomized controlled trial.Objectives:To evaluate the effectiveness of the physical activity guidelines (PAG) for adults with spinal cord injury (SCI) to improve aspects of physical fitness.Setting:Community exercise facility.Methods:Twenty-three participants (age: 40.4±11.6 years, C1-T11, 12.0±10.0 years post injury) were randomized into PAG training (n=12) or active control (CON, n=11) groups. PAG ...
Roberts Vaughan V National Institute for Health Innovation, University of Auckland, Private Bag 92019, Auckland Mail Centre, Auckland, 1142, New - - 2014
Exercise has been shown to attenuate cigarette cravings during temporary smoking abstinence; however, the mechanisms of action are not clearly understood. The objectives of the study were to compare the effects of three exercise intensities on desire to smoke and explore potential neurobiological mediators of desire to smoke. Following overnight ...
Currie Katharine D KD Department of Kinesiology, McMaster University, - - 2014
To determine the effects of resistance training combined with either moderate-intensity endurance or low-volume high-intensity interval training on cardiovascular risk profiles in patients with coronary artery disease. Factorial repeated-measures study design. Nineteen patients were randomized into moderate-intensity endurance (n=10) or high-intensity interval (n=9) groups, and attended 2 supervised exercise sessions ...
Tocco F F Department of Medical Science, University of Cagliari, Cagliari, - - 2014
Muscle ischemic preconditioning (IP) has been found to improve exercise performance in laboratory tests. This investigation aims at verifying whether performance is improved by IP during self-paced exercise (SPE) in the field. 11 well-trained male runners performed 3 randomly assigned 5 000 m self-paced running tests on an outdoor track. One was ...
McGill Stuart S Faculty of Applied Health Sciences, Department of Kinesiology, University of Waterloo, Waterloo, ON. Canada, N2L - - 2014
Novel ideas for core endurance training are continually being created. However, studies of their mechanism of action assist in evaluation of their potential as a training tool, for a variety of people and purposes. The specific purpose of this study was to evaluate a weighted hula hooping training program for ...
Jo Jeanyoung J Department of Biological Sciences, Columbia University, New York, New York, - - 2014
The opportunistic pathogen Pseudomonas aeruginosa encodes a large and diverse complement of aerobic terminal oxidases, which is thought to contribute to its ability to thrive in settings with low oxygen availability. In this issue, Arai et al. present a thorough characterization of these five complexes, enabling a more detailed understanding ...
Krüger K K Department of Sports Medicine, Institute of Sports Sciences, Justus-Liebig-University, Giessen, - - 2014
Different types of exercise are characterized by the ability to induce specific physiological stimuli that might be able to induce the mobilization of progenitor cells. The aim of the current study was to investigate the mobilization of hematopoietic progenitor cells (HPCs) and endothelial progenitor cells (EPCs) in response to endurance, ...
Zheng Lu L Cardiovascular Health Laboratory, Capital University of Physical Education and Sports, 11 Bei San Huan Xi Road, Beijing, 100191, - - 2014
To examine and compare the effects of acute moderate-intensity continuous and accumulated exercise with different intervals on arterial stiffness in humans. Healthy young men (n = 16) participated in four trials in a randomized crossover design: complete rest control (CON), continuous exercise (CE, 30-min cycling), accumulated exercise with 20 min of interval (AE20, ...
Sperlich Billy B Integrative and Experimental Training Science, Department of Sport Science, Julius-Maximilians-Universität Würzburg, University of Würzburg, Judenbühlweg 11, 97082, Würzburg, Germany, - - 2014
Splenic contraction induced by repeated apneas has been shown to increase oxygen availability. Our aim was to determine whether repeated maximal voluntary apnea enhances the performance of cyclists in a subsequent 4-km time trial. Seven male cyclists [age: 27.1 ± 2.1 years; height: 182 ± 8 cm; body mass: 74.8 ± 9.2 kg; peak oxygen uptake: 56.9 ± 6.6 mL min(-1) kg(-1) (mean ± SD)] ...
Brown Denver M Y DM a Department of Kinesiology , McMaster University , Hamilton , Ontario , L8S 4K1 - - 2014
Abstract The purpose of this study was to explore the dose-response relationship between exercise and cognitive performance using an acute bout of isometric exercise. University students (N = 55) were randomly assigned to control, 30%, 50% and 70% of maximum voluntary handgrip contraction groups. Participants performed a modified Stroop task before and ...
Moura Bruno Pereira De BP a Department of Physical Education, Human Performance Laboratory , Universidade Federal de Viçosa , Viçosa , - - 2014
Abstract Although exercise promotes beneficial effects in diabetic patients, some studies have questioned the degree of their importance in terms of the increase in total energy expenditure. In these studies, the decrease of physical activity levels (PAL) was referred as "compensatory effect of exercise". However, our aim was to investigate ...
Preisser A M AM Institute for Occupational and Maritime Medicine, University Medical Center Hamburg-Eppendorf, Seewartenstrasse 10, 20459, Hamburg, Germany, - - 2014
Standard exercise testing (ET) comprises progressive exercise provocation with cardiovascular monitoring. Exercise tolerance is estimated by workload. Cardiopulmonary exercise testing (CPX) is a non-invasive measurement of ventilatory gas exchange which provides more accurate quantifications of cardiorespiratory fitness (CRF). Workload is usually increased stepwise in ET and continuously (ramp) in CPX. ...
Katayama Keisho K Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, - - 2014
The purpose of this study was to elucidate the effect of acute aerobic exercise performed under hypoxic conditions on flow-mediated dilation (FMD) in the inactive limb. Seven males participated in the study. The subjects performed two submaximal leg cycling on a semirecumbent ergometer at the same relative intensity (60% peak ...
Guadalupe-Grau Amelia A a Xlab, Center for Healthy Aging, Department of Biomedical Sciences , University of Copenhagen , Copenhagen , - - 2014
Abstract The present investigation was performed to elucidate if the non-erythropoietic ergogenic effect of a recombinant erythropoietin treatment results in an impact on skeletal muscle mitochondrial and whole body fatty acid oxidation capacity during exercise, myoglobin concentration and angiogenesis. Recombinant erythropoietin was administered by subcutaneous injections (5000 IU) in six ...
Neto Gabriel R GR Physical Education Graduate Program, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil; Kinanthropometry and Human Development Laboratory - UFPB, João Pessoa, Paraíba, Brazil; Associate Graduate Program in Physical Education UPE/UFPB, João Pessoa, Paraíba, - - 2014
The aim of this study was to compare the acute effect of resistance exercise (RE) with and without blood flow restriction (BFR) on heart rate (HR), double product (DP), oxygen saturation (SpO2 ) and rating of perceived exertion (RPE). Twenty-four men (21·79 ± 3·21 years) performed three experimental protocols in a random order ...
Barrett-O'Keefe Zachary Z University of - - 2014
To better understand the mechanisms responsible for exercise intolerance in heart failure with reduced ejection fraction (HFrEF), the present study sought to evaluate the hemodynamic responses to small muscle mass exercise in this cohort. In 25 HFrEF patients (64 ± 2 yrs) and 17 healthy, age-matched control subjects (64 ± ...
Panchasara B B Department of Respiratory Medicine, Royal Brompton Hospital, London, - - 2014
Exercise-induced laryngeal obstruction (EILO) is a key differential diagnosis for unexplained dyspnoea in athletes. The gold standard means for diagnosis of EILO is direct laryngoscopy, performed continuously, while an athlete undertakes the specific sport that precipitates their symptoms. This report provides the first descriptions of rowing-associated EILO in two competitive ...
Charlot Keyne K Laboratory ACTES (EA 3596), Department of Physiology, French West Indies and Guiana University, Pointe-á-Pitre, Guadeloupe, France UMR Inserm U1134, French West Indies and Guiana University, Pointe-á-Pitre, Guadeloupe, France Laboratoire d'Excellence du Globule Rouge (LABEX GR-Ex), PRES Sorbonne, Paris, - - 2014
Oxygen uptake efficiency slope (OUES) and excess post-exercise oxygen consumption (EPOC) are markers of physical fitness in the general population but have never been characterized in sickle cell anemia (SCA) where hematological and hemorheological properties are severely altered. Eight SCA patients and eleven healthy subjects (CONT) performed a submaximal incremental ...
Keller Amy C AC * Division of Endocrinology, Metabolism & Diabetes, University of Colorado Denver, Anschutz Medical Campus, Aurora, USA † Division of Pulmonary Sciences and Critical Care Medicine, Cardiovascular Pulmonary Research, University of Colorado Denver, Anschutz Medical Campus, Aurora, USA ‡ Department of Medicine, Denver VA Medical Center, Denver, - - 2014
Cardiovascular disease risk and all-cause mortality is largely predicted by physical fitness. Exercise stimulates vascular mitochondrial biogenesis via endothelial nitric oxide synthase (eNOS), sirtuins (SIRTs), and PPARγ co-activator 1 alpha (PGC-1α), a response absent in diabetes and hypertension. We hypothesized that an agent regulating eNOS in the context of diabetes ...
Vechin Felipe C FC 1Laboratory of Neuromuscular Adaptations to Strength Training. School of Physical Education and Sport, University of São Paulo. 2Laboratory of Exercise Physiology. School of Physical Education, State University of Campinas. 3Department of Physical Education, Center of Biological Sciences and Health, Federal University of São Carlos - - - 2014
High-intensity resistance training (HRT) has been recommended to offset age-related loss in muscle strength and mass. However, part of the elderly population is often unable to exercise at high-intensities. Alternatively, low-intensity resistance training with blood flow restriction (LRT-BFR) has emerged. The purpose of the present study was to compare the ...
Menêses Annelise Lins AL 1Research Group on Exercise Hemodynamics and Metabolism, School of Physical Education, University of Pernambuco, Pernambuco, Brazil. 2Exercise Hemodynamic Laboratory, School of Physical Education and Sport, University of São Paulo, São Paulo, - - 2014
The study aims to evaluate the effects of the order of endurance and resistance exercises on post-exercise blood pressure (BP) and hemodynamics in hypertensive women. Nineteen hypertensive women underwent three sessions: control (50 min rest), endurance (50-60% of heart rate reserve) followed by resistance exercise (50% of 1-RM) (E+R) and ...
Bailey Stephen P SP 1Department of Physical Therapy Education, Elon University, Elon, NC 2Department of Health & Human Performance, Elon University, Elon, NC 3David Geffen School of Medicine, UCLA, Los Angeles, - - 2014
Many athletes avoid using mouthguards because they believe that they impair their ability to breath and negatively affect performance. Recently, some manufacturers have developed "vented" mouthguards to address this concern. The purposes of this investigation were to describe the impact of a commercially available "vented" boil-and-bite mouthguard on the physiologic ...
Henchoz Yves Y a Alcohol Treatment Centre, Lausanne University Hospital CHUV , Lausanne , - - 2014
ABSTRACT Among the negative consequences of video gaming disorder, decreased participation in sport and exercise has received little attention. This study aimed to assess the longitudinal association between video gaming disorder and the level of sport and exercise in emerging adult men. A questionnaire was completed at baseline and 15-month ...
Spencer Matthew D MD University of Calgary - - 2014
The present study compared peak muscle deoxygenation ([HHb]peak) responses at 3 quadriceps sites during occlusion (OCC), ramp incremental (RI), severe- (SVR) and moderate-intensity (MOD) exercise. Seven healthy males (25±4yr) each completed a stationary cycling RI (20 W/min) test to determine [HHb]peak (at distal and proximal vastus lateralis (VLD and VLP) ...
Kalsen Anders A Bispebjerg University Hospital - - 2014
In a randomized double-blind crossover design, we investigated the effect of the beta2-agonist terbutaline on endurance performance and substrate utilization in nine moderately trained males (maximum oxygen uptake (VO2max): 58.9±3.1 mL min(-1) kg(-1)). Subjects performed 60 min of submaximal exercise (65-70% of VO2max) immediately followed by a 300-kcal time trial ...
Yang Tsui-Yun TY Graduate Institute of Nursing, National Taipei University of Nursing and Health Science and Instructor School of Nursing, College of Medicine, Chang Gung University, Taoyuan, - - 2014
This study was designed to evaluate the efficacy of an aerobic exercise programme on fatigue for Taiwanese breast cancer women under radiotherapy (RT). Cancer-related fatigue has been widely reported by patients undergoing radiotherapy as strongly and profoundly interfering with their quality of life. Evidence has shown that exercise can be ...
Duarte Antonio A 1Brazilian Army Research Institute of Physical Fitness, Rio de Janeiro, RJ, Brazil; 2Physical Education Graduate Program, Gama Filho University, Rio de Janeiro, RJ, Brazil; 3Department of Physiology and Pharmacology, Fluminense Federal University, Niterói, RJ, Brazil; 4Department of Kinesiology, University of Connecticut, Storrs, CT; 5Physical Activity and Health Promotion Laboratory, Rio de Janeiro State University, Rio de Janeiro, RJ, - - 2014
Resting cardiac vagal modulation (RCVM) and postexercise vagal reactivation (PEVR) are markers of parasympathetic activity. We investigated whether adaptations in these markers to aerobic training are influenced by baseline autonomic control. Forty healthy men (19.2±0.8 yr) of similar cardiorespiratory fitness (VO2peak=50.4±5.7 ml⋅kg⋅min) and matched for autonomic activity were randomized into ...
Gillespie Brent D BD Department of Exercise Science, University of New Mexico, Albuquerque, New - - 2014
The Talk Test (TT) has been used to determine exercise intensity among various population subgroups, but not for competitive athletes. This study was designed to compare the ventilatory threshold (VT) to the last positive (+/+), equivocal (+/-), and negative (-/-) stages of the TT for highly-trained cyclists. Twelve men (26.5±4.6 ...
Snoza Colleen C University of Nebraska at - - 2014
The purpose of this study was to compare peak aerobic capacity in female triathletes in three modes of exercise: treadmill, cycle and arm ergometer. A second purpose was to determine the extent that physiologic criteria for achieving VO2 peak were reached in each mode of exercise. Six criteria were examined: ...
Mang Cameron S CS University of British - - 2014
The objectives of the present study were to evaluate the impact of a single bout of high-intensity aerobic exercise on: (1) long-term potentiation (LTP)-like neuroplasticity via response to paired associative stimulation (PAS) and (2) the temporal and spatial components of sequence-specific implicit motor learning. Additionally, relationships between exercise-induced increases in ...
Panissa Valéria L G VL 1Department of Sport, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil. 2Institute of Radiology, Medical School, University of São Paulo, São Paulo, - - 2014
Concurrent training (i.e. combination of endurance with strength training) may result in negative interference on strength performance. Moreover, there are indications that the magnitude of this interference is dependent on endurance exercise mode. Thus, this study aimed to verify the acute effects of previous running and cycling on strength endurance ...
McNamara Tanner C TC Department of Kinesiology, Kansas State University, Manhattan, KS, - - 2014
Recent data suggests neuronal nitric oxide synthase (nNOS) mediates the NO-component of reflex cutaneous vasodilatation with passive heat stress. We tested the hypothesis that nNOS inhibition would attenuate reflex cutaneous vasodilatation during sustained dynamic exercise in young healthy humans. All subjects first performed an incremental V̇O2peak test to exhaustion on ...
Marcinko Katarina K Division of Endocrinology and Metabolism, Department of Medicine, McMaster University, 1280 Main St. W, Hamilton, Ontario, L8N 3Z5, - - 2014
Insulin resistance is associated with defects in skeletal muscle fatty acid (FA) metabolism that contribute to the development of type 2 diabetes (T2D). Endurance exercise increases fatty acid and glucose metabolism, muscle mitochondrial content and insulin sensitivity. In skeletal muscle, basal rates of FA oxidation are dependent on AMP-activated protein ...
Saadati Hakimeh H Neuroscience Research Center,Institute of neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran. Electronic address: - - 2014
Previous studies have indicated that physical exercise plays a preventive role in synaptic plasticity deficits in the hippocampus of sleep-deprived male rats. The objective of the present study was to evaluate the effects of treadmill running on early long term potentiation (E-LTP) at the Cornu Ammonis (CA1) area of the ...
Haran Michal M Hematology Institute, Kaplan Medical Center, Rehovot, Israel. Electronic address: - - 2014
Living organisms require a constant supply of safe and efficient energy to maintain homeostasis and to allow locomotion of single cells, tissues and the entire organism. The source of energy can be glycolysis, a simple series of enzymatic reactions in the cytosol, or a much more complex process in the ...
Dargin Troy Clifford TC Hearing and Speech Department, University of Kansas Medical Center, Kansas City, KS. Electronic address: - - 2014
The purpose of this study was to describe changes in aerodynamic and electroglottographic (EGG) measures immediately after completing three semi-occluded vocal tract (SOVT) exercises. Prospective case series. Aerodynamic and EGG measurements were obtained before and immediately after performing three SOVTs (straw phonation, lip trill, and tongue trill) in four singers ...
Schumacher Yorck O YO Aspetar Orthopedic & Sports Medicine Hospital, PO Box 29222, Doha, - - 2014
The Athlete Biological Passport (ABP) detects blood doping in athletes through longitudinal monitoring of erythropoietic markers. Mathematical algorithms are used to define individual reference ranges for these markers for each athlete. It is unclear if altitude and exercise can affect the variables included in these calculations in a way that ...
Segizbaeva M O MO Laboratory of Respiration Physiology, I.P. Pavlov Institute of Physiology, Russian Academy of Science, 6 Makarova nab., Saint Petersburg, 199034, Russia, - - 2014
The aim of this study was to assess the effect of inspiratory muscle training (IMT) on resistance to fatigue of the diaphragm (D), parasternal (PS), sternocleidomastoid (SCM) and scalene (SC) muscles in healthy humans during exhaustive exercise. Daily inspiratory muscle strength training was performed for 3 weeks in 10 male ...
Helfer Suzanne G SG Adrian College, Adrian, MI, USA, - - 2014
Prior research has found affect to predict exercise. Little research has examined the causal influence of exercise-related affect on exercise intentions. The purpose of this study was to test whether expectations about post-exercise affect can be successfully manipulated to produce changes in post-exercise affect and exercise intentions. We also tested ...
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