Search Results
Results 601 - 650 of 2028
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Sari-Sarraf V - - 2011
The purpose of this study was to establish if provision of CHO altered the mucosal immune and salivary cortisol responses to intermittent exercise in the heat. In a double-blind design, 10 males undertook soccer-specific intermittent exercise on a motorized treadmill on 2 occasions, each over 90 min and separated by 1 ...
van de Weert-van Leeuwen P B - - 2012
Pulmonary function and nutritional status are important determinants of exercise capacity in patients with cystic fibrosis (CF). Studies investigating the effects of determinants, such as genotype or infection and inflammation, are scarce and have never been analysed in a multivariate longitudinal model. A prospective longitudinal cohort study was performed to ...
Kovacs G - - 2012
The physiological range of pulmonary vascular resistance (PVR) and total pulmonary resistance (TPR), and the impact of exercise, age and posture have been a matter of debate for many years. We performed a systematic literature review including all right heart catheterisation data where individual PVR and TPR of healthy subjects ...
Nam Sung Min - - 2011
Cyclooxygenase-2 (COX-2) is believed to be a multifunctional neural modulator that affects synaptic plasticity in the hippocampus. In the present study, we investigated the differential effects of treadmill exercise on COX-2 immunoreactivity in the dentate gyrus in early and chronic diabetic stages in Zucker diabetic fatty (ZDF) rats and lean ...
Braginsky Nafanua - - 2011
The purpose of this study was to explore the perceptions of Asians and Pacific Islanders (API) with Type 2 diabetes related to diet and exercise. A descriptive content analysis was conducted on verbalized responses from 15 participants in focus groups who were asked "What role does your culture play in ...
Ahlskog J Eric JE Department of Neurology, Mayo Clinic, Rochester, MN 55905, USA. - - 2011
A rapidly growing literature strongly suggests that exercise, specifically aerobic exercise, may attenuate cognitive impairment and reduce dementia risk. We used PubMed (keywords exercise and cognition) and manuscript bibliographies to examine the published evidence of a cognitive neuroprotective effect of exercise. Meta-analyses of prospective studies documented a significantly reduced risk ...
Gary Rebecca A RA Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, GA, USA. - - 2011
To assess the effects of a home-based aerobic and resistance training program on the physical function of adults with New York Heart Association (NYHA) class II and III patients and systolic heart failure (HF). Randomized controlled trial. Home based. Stable patients (N=24; mean age, 60 ± 10 y; left ventricular ...
Villegas Raquel R Vanderbilt Epidemiology Center, Department of Medicine, Nashville, TN 37203-1738, USA. - - 2011
Animal studies have shown that the peroxime proliferator-activated receptor delta (PPARD) gene regulates glucose metabolism and insulin sensitivity. Genetic variation in the PPARD gene might affect physical endurance and has been associated with obesity. We investigated the independent and modifying effect of variants in the PPARD gene with exercise participation ...
Pinto Bernardine M BM Centers for Behavioral and Preventive Medicine, Miriam Hospital, One Hoppin Street, Providence RI 02903, USA. - - 2011
Patients who have completed Phase II cardiac rehabilitation have low rates of maintenance of exercise after program completion, despite the importance of sustaining regular exercise to prevent future cardiac events. The efficacy of a home-based intervention to support exercise maintenance among patients who had completed Phase II cardiac rehabilitation versus ...
Mollart Lyndall - - 2011
RESEARCH QUESTION: To determine the incidence and level of work-related stress and burnout in midwives and contributing and protective demographic factors that may influence those levels. PARTICIPANTS AND METHOD: All registered midwives (152) working in two public hospital maternity units within the same health service district in NSW completed the ...
Zhong Li-Sha - - 2011
The purpose of our study was to investigate the frequency of the third heart sound (S3) of athletes after exercise, and to determine whether the frequency and amplitude of S3 were related to cardiac function. The phonocardiogram exercise test (PCGET) was used in this study, and healthy volunteers consisting of ...
Tak Erwin C P M - - 2011
After a randomized controlled trial showing that improvement on some aspects of cognitive function was related to adherence to an exercise program, determinants of adherence and maintenance were further studied. Older adults with mild cognitive impairment were contacted 6 mo after the end of exercise programs for a telephone interview ...
Kim Hong - - 2011
Attention deficit/hyperactivity disorder (ADHD) is a developmental disorder of cognition. Behavioral symptoms of ADHD are inattention, hyperactivity, and impulsivity. We investigated the effects of treadmill exercise and methylphenidate (MPH) on activity and spatial learning memory in relation to dopamine synthesis and brain-derived neurotrophic factor (BDNF) expression using spontaneously hypertensive adult ...
Faulk Kathryn E - - 2011
This experiment examined the effects of consuming a high-fat meal on cardiovascular reactivity and the ability of exercise to act as a moderator between dietary fat consumption and cardiovascular reactivity. Forty healthy, college-age students were randomly assigned to one of four experimental groups: (1) low-fat meal, no exercise; (2) low-fat ...
Reis Joana F - - 2011
This study aimed to characterise both the [Formula: see text] kinetics within constant heavy-intensity swimming exercise, and to assess the relationships between [Formula: see text] kinetics and other parameters of aerobic fitness, in well-trained swimmers. On separate days, 21 male swimmers completed: (1) an incremental swimming test to determine their ...
Waśkiewicz Zbigniew - - 2012
The study was conducted to evaluate the metabolic responses to a 24 h ultra-endurance race in male runners. Paired venous and capillary blood samples from 14 athletes (mean age 43.0 ± 10.8 years, body weight 64.3 ± 7.2 kg, VO(2max) 57.8 ± 6.1 ml kg(-1) min(-1)), taken 3 h before ...
Miyazaki Tsuyoshi - - 2011
The aim of this study was to measure exercise-induced changes in knee joint laxity in patients with knee osteoarthritis (OA). The study subjects were 46 female patients with OA and 22 age- and sex-matched normal controls. Radiographs of the knee were taken in all subjects, and the disease severity was ...
Galoza Pedro - - 2011
PURPOSE: To compare the effect of inter-set cooling and no cooling during resistance exercise (RE) on the total repetitions and select muscle damage biomarker responses. METHODS: Sixteen healthy men volunteered to participate in this study and were randomly assigned to Cooling (n = 8) or Control (n = 8) groups. ...
Amann Markus - - 2011
We investigated the influence of group III/IV muscle afferents on peripheral fatigue, central motor drive (CMD) and endurance capacity during high-intensity leg-cycling. In a double-blind, placebo-controlled design, seven males performed constant-load cycling exercise (318 ± 9 W; 80% of peak power output (W(peak))) to exhaustion under placebo conditions and with ...
West Amy M AM Department of Medicine, University of Virginia Health System, University of Virginia, Charlottesville, - - 2011
We hypothesized that low-density lipoprotein (LDL) reduction regardless of mechanism would improve calf muscle perfusion, energetics, or walking performance in peripheral arterial disease (PAD) as measured by magnetic resonance imaging and magnetic resonance spectroscopy. Statins improve cardiovascular outcome in PAD, and some studies suggest improved walking performance. Sixty-eight patients with ...
Cobley J N - - 2011
Production of reactive oxygen species (ROS) during contractions is associated with muscular fatigue and damage in the short-term and adaptive responses in the long-term. When adaptation is inconsequential acute antioxidant supplementation may be able to attenuate muscle fatigue and damage to enhance performance. This study aimed to determine the effects ...
Murphy Ryan M - - 2011
Exercise oscillatory ventilation (EOV) is a noninvasive parameter that potently predicts outcomes in systolic heart failure (HF). However, mechanistic insights into EOV have been limited by the absence of studies relating EOV to invasive hemodynamic measurements and blood gases performed during exercise. Fifty-six patients with systolic HF (mean±SEM age, 59±2 ...
Soares-Caldeira Lúcio Flávio - - 2011
The purpose of this study was to compare the physiological responses [oxygen uptake (VO(2)), heart rate (HR) and blood lactate concentrations ([BLa])] and the rating of perceived exertion (RPE) response until exhaustion (TTE) at the continuous (CP(c)) and intermittent (CP(i)) critical power workloads. Ten moderately active men (25.5 ± 4.2 years, 74.1 ± 8.0 kg, 177.6 ± 4.9 cm) ...
Wood Helen E - - 2011
The exercise ventilatory response (EVR; defined as the slope of the relationship between ventilation and CO(2) production) is reversibly augmented within a single exercise trial with increased respiratory dead space (DS) in both younger (Wood, H.E., Mitchell, G.S., Babb, T.G., 2008. Short-term modulation of the exercise ventilatory response in young ...
Teixeira A M - - 2011
Here we evaluated the influence of physical exercise on behavior parameters and enzymatic status of rats supplemented with different dietary fatty acids (FA). Male Wistar rats fed diets enriched with soybean oil (SO), lard (L), or hydrogenated vegetable fat (HVF) for 48 weeks were submitted to swimming (30 min/d, five ...
Nagamatsu Yoshinori - - 2011
We attempted to identify the factors related to an early restoration of the exercise capacity after lung resection. Major lung resection was performed in 164 patients. Exercise testing and spirometry were performed before surgery, and 2 weeks and 1 month afterward. During exercise, the maximum oxygen uptake per minute per ...
Tobler Daniel - - 2011
BACKGROUND: The utility of cardiac magnetic resonance imaging (CMR) for assessment of adults with Ebstein anomaly is not well-defined. We sought to evaluate CMR characteristics in this population and to relate these to exercise parameters. METHODS: We analyzed CMR studies in adults with unrepaired Ebstein anomaly for measures of severity ...
Spencer Carolyn T - - 2011
Background: Barth syndrome (BTHS) is a mitochondrial myopathy characterized by reports of exercise intolerance. We sought to determine if 1) BTHS leads to abnormalities of skeletal muscle oxygen extraction/utilization and 2) exercise intolerance in BTHS is related to impaired oxygen extraction/utilization, impaired cardiac function or both. Methods and Results: Participants ...
Pingitore Alessandro - - 2011
Whether prolonged strenuous exercise performed by athletes at sea-level can produce interstitial pulmonary edema is under debate. Chest sonography allows to estimate extravascular lung water, creating ultrasound lung "comet-tail" (ULC) artifacts. Aim of the study was to determine whether pulmonary water content increases in Ironmen (n=31) during race at sea-level ...
Baker Sarah E SE Department of Pharmacy Practice and Science, University of Arizona, Tucson, AZ 85721, United - - 2011
Exercise, decompensated heart failure, and exposure to high altitude have been shown to cause symptoms of pulmonary edema in some, but not all, subjects, suggesting a genetic component to this response. Epithelial Na(+) Channels (ENaC) regulate Na(+) and fluid reabsorption in the alveolar airspace in the lung. An increase in ...
Wang Li - - 2011
Aim:  Differences in fiber-type recruitment during exercise may induce a heterogenic response in fiber-type gene expression. We have investigated the effect of two different exercise protocols on the fiber type-specific expression of master genes involved in oxidative metabolism (PGC-1α and PDK4). Methods:  Untrained subjects (n=7) completed 90-min cycling either at ...
Cutrufello Paul T - - 2011
Context: Internal combustion engines are a major source of particulate matter (PM) which has been shown to result in vasoconstriction, yet no present study to our knowledge has investigated the effect of exhaust emissions on both exercise performance and the vasculature. Objective: To examine the effect of freshly generated whole ...
Oliveira Norton L - - 2011
Oliveira, NL and Oliveira, J. Excess postexercise oxygen consumption is unaffected by the resistance and aerobic exercise order in an exercise session. J Strength Cond Res 25(1): 000-000, 2011-The main purpose of this study was to compare the magnitude and duration of excess postexercise oxygen consumption (EPOC) after 2 exercise ...
Doria C - - 2011
The study investigated the effect of prolonged hypoxia on central [i.e., cardiovascular oxygen delivery (Q(a)O(2))] and peripheral (i.e., O(2) utilization) determinants of oxidative metabolism response during exercise in humans. To this aim, seven male mountaineers were examined before and immediately after the Himalayan Expedition Interamnia 8000-Manaslu 2008, lasting 43 days, ...
Koltai Erika E Semmelweis University , Research Institute of Sport Science, Budapest, - - 2011
We have investigated the effects of 2 weeks of insulin-like growth factor-1 (IGF-1) supplementation (5 μg/kg per day) and 6 weeks of exercise training (60% of the maximal oxygen consumption [VO₂ max]) on neurogenesis, DNA damage/repair, and sirtuin content in the hippocampus of young (3 months old) and old (26 ...
Opdenacker Joke - - 2011
OBJECTIVES: To evaluate the long-term effects of a lifestyle intervention and a structured exercise intervention on physical fitness and cardiovascular risk factors in older adults. DESIGN: Controlled trial with randomization between the intervention groups. SETTING: Belgium, Vlaams-Brabant. PARTICIPANTS: One hundred eighty-six sedentary but healthy men and women aged 60 to ...
Riesco E - - 2011
ABSTRACT Background Postmenopausal women seem to favor alternative therapies such as exercise and phytoestrogens as a substitute for potentially harmful hormone replacement therapy. Based on previous research, we hypothesized that phytoestrogens combined with exercise could have a synergic effect on women's health. Objective To verify whether phytoestrogens enhance the response ...
Oravisjärvi Kati - - 2011
Traffic-related particle emissions have been a great concern over a number of years due to their adverse health effects. In this research project, traffic-related particle deposition in the human lungs is studied using lung deposition estimates based on the ICRP 66 model. This study covers four human groups, i.e. adult ...
Kersten Elin T G - - 2012
Allergic rhinitis and exercise induced bronchoconstriction (EIB) are common in asthmatic children. The aim of this study was to investigate whether treatment of allergic rhinitis with an intranasal corticosteroid protects against EIB in asthmatic children. This was a double-blind, randomized, placebo-controlled, parallel group study. Subjects aged 12-17 years, with mild-to-moderate ...
Diller Gerhard-Paul - - 2011
OBJECTIVES: To evaluate the relationship between socioeconomic status (SES), access to physical activity resources, urban-rural dwelling, levels of pollution and exercise capacity in adult congenital heart disease (ACHD) patients. BACKGROUND: Exercise intolerance is prevalent in ACHD and the contributing factors are poorly understood. METHODS: A total of 1268 ACHD patients ...
Gasier Heath G - - 2011
The purpose of this study was to determine whether an acute bout of high-intensity resistance exercise (RE) would augment integrative mixed muscle and myofibrillar protein fractional synthesis rates (FSRs) when total energy and macronutrient intake was controlled. Twelve healthy young men were studied over 24 hours and performed an acute ...
Peroni Diego G - - 2011
INTRODUCTION: Montelukast has been proven to assure a protective effect against exercise-induced bronchoconstriction. AIM: To verify exactly when montelukast begins protection in asthmatic children by evaluating different time intervals between dosing and challenge. METHODS: In a double blind, placebo-controlled, three day doses, crossover study, patients were randomized to receive in ...
Mustroph Martina L ML Neuroscience Program, The Beckman Institute, University of Illinois at Urbana-Champaign, Urbana, IL, USA. - - 2011
Aerobic exercise may represent a useful intervention for drug abuse in predisposed individuals. Exercise increases plasticity in the brain that could be used to reverse learned drug associations. Previous studies have reported that exposing mice to a complex environment including running wheels after drug conditioning abolishes conditioned place preference (CPP) ...
Kiers Henri - - 2011
Laboratory study using a repeated measures design. The aim of this study was to determine if ankle proprioception is targeted in exercises on unstable surfaces. Lateral ankle sprain (LAS) has recurrence rates over 70%, which are believed to be due to a reduced accuracy of proprioceptive signals from the ankle. ...
Kohli Harajeshwar S - - 2011
BACKGROUND: The total artificial heart (TAH) consists of two implantable pneumatic pumps that replace the heart and operate at a fixed ejection rate and ejection pressure. We evaluated the blood pressure (BP) response to exercise and exercise performance in patients with a TAH compared to those with a with a ...
Goodwin Victoria A - - 2011
Objectives To compare the effectiveness of an exercise programme with usual care in people with Parkinson's disease (PD) who have a history of falls. Design Pragmatic randomised controlled trial. Setting Recruitment was from three primary and four secondary care organisations, and PD support groups in South West England. The intervention ...
Koh Keng Hee - - 2011
Background:  Spot urine measurement of albumin is now the most commonly accepted approach to screening for proteinuria. Exertion prior to the collection may potentially influence the result of spot urine albumin estimation. We aim to evaluate the effect of exercise on albuminuria in subjects at various stages of diabetic nephropathy ...
Sultana Frédéric - - 2011
The aim of the present study was to compare the maximal isometric torque and cardio-respiratory parameters in well-trained young and master triathletes prior to and following an Olympic distance triathlon. One day before and 24 h following the event, participants performed three maximum voluntary isometric knee extensions and flexions and an ...
Zueger Thomas - - 2011
Objective The role of exercise testing in the assessment of growth hormone deficiency (GHD) in adult patients is currently unclear. This study aimed at evaluating the diagnostic value of exercise-induced GH levels in the detection of severe GHD in adult patients. Methods Fourteen patients confirmed to have severe GHD according ...
O'Donnell Denis E - - 2011
ABSTRACT BACKGROUND: To better understand the inter-relationships between disease severity, inspiratory capacity, breathing pattern and dyspnea, we studied responses to symptom-limited cycle exercise in a large cohort with COPD. METHODS: Analysis was conducted on data from two previously published replicate clinical trials in 427 hyperinflated patients with COPD. Patients were ...
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