Search Results
Results 201 - 250 of 1048
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Kitaoka Yu - - 2012
Objective-To investigate the effects of high-intensity training (HIT) on carbohydrate and fat metabolism in Thoroughbreds. Animals-12 Thoroughbreds (3 to 4 years old; 6 males and 6 females). Procedures-Horses performed HIT for 18 weeks. They ran at 90% or 110% of maximal oxygen consumption ([Formula: see text]o(2max)) for 3 minutes (5 ...
Miller Kevin C - - 2012
Individuals prone to exercise-associated muscle cramps (EAMCs) are instructed to eat bananas because of their high potassium (K(+)) concentration and carbohydrate content and the perception that K(+) imbalances and fatigue contribute to the genesis of EAMCs. No data exist about the effect of bananas on plasma K(+) concentration ([K(+)](p)) or ...
Nam Soohyun - - 2012
While the benefits of exercise in people with type 2 diabetes mellitus is well-known, knowledge of factors associated with dropouts of exercise intervention trials is limited. Examining clinical and psychosocial factors related to dropout is a necessary first step to developing an effective exercise program. We examined the predictors of ...
Zbinden-Foncea Hermann - - 2012
Mitogen-activated protein kinase (MAPK) pathways are activated in skeletal muscle during endurance exercise, but the upstream molecular events are incompletely resolved. As an increase in plasma non-esterified fatty acids (NEFA) is a common feature of long-lasting exercise, we tested the hypothesis that NEFA contribute to the activation of MAPK during ...
Cameron Isabelle - - 2012
We have measured the responses to endurance exercise training on body composition and glucose regulation, as well as cardiovascular and liver structure and function in rats fed a high carbohydrate and high fat (HCHF) diet as a model of human metabolic syndrome. Male Wistar rats (9-10 weeks old) were randomly allocated ...
Summermatter Serge S 1Biozentrum, Division of Pharmacology/Neurobiology, University of Basel, Basel, - - 2013
Metabolic disorders are a major burden for public health systems globally. Regular exercise improves metabolic health. Pharmacological targeting of exercise mediators might facilitate physical activity or amplify the effects of exercise. The peroxisome proliferator-activated receptor γ coactivator 1α (PGC-1α) largely mediates musculoskeletal adaptations to exercise, including lipid refueling, and thus ...
Gulli Roberto A - - 2012
High-fat (HF) diets impair skeletal muscle response to the insulin-sensitizing adipokine adiponectin (Ad) in rodents, preceding the development of insulin resistance. Skeletal muscle insulin response in HF fed rats can be restored with chronic exercise; whether recovery of skeletal muscle Ad response is necessary for the exercise-induced recovery of insulin-stimulated ...
Figueira Franciele R - - 2012
The concordance of continuous glucose monitoring system (CGMS) and finger-stick blood glucose (FSBG) was assessed in patients with type 2 diabetes during daily activities and two different exercise sessions. Agreement between FSBG and CGMS becomes weaker during exercise, but more than 90% of the CGMS readings are within acceptable range.
Ekman M J - - 2012
Weight loss and physical activity have shown favorable effects on risks associated with obesity. It is therefore of interest to evaluate exercise capacity and related co-morbidities in obese patients. We present data from obese subjects evaluated by the 6-minute walk test (6MWT) before and after a 7.3 (6.1-8.2) month weight ...
Patlar Suleyman - - 2012
The purpose of this study was to evaluate the effect of glycerol supplementation on aerobic and anaerobic exercise performance in sedentary subjects and athletes. The glycerol supplement treatments were as follows: 40 volunteers were selected and divided into two groups, sedentary and exercise groups. These two groups were further subdivided ...
Hammouda Omar - - 2013
The aim of this work was to investigate the metabolic and muscle damage responses after the level-1 Yo-Yo intermittent recovery test (YYIRT) in young football players. Fifteen male football players (17.42 ± 0.2 yrs, 69.91 ± 4.4 kg, 178.64 ± 3.8 cm; mean ± SD) participated in this study. Fasting ...
Lammers Gerwen - - 2012
Physical deconditioning is associated with the development of chronic diseases, including type 2 diabetes and cardiovascular disease. Exercise training effectively counteracts these developments, but the underlying mechanisms are largely unknown. To gain more insight in these mechanisms, muscular gene expression levels were assessed after physical deconditioning and after exercise training ...
Bennett Catherine E - - 2012
AIMS: Increased protein O-GlcNAcylation occurs in response to increased availability of glucose and fatty acids and is a hallmark of diabetes. Previous studies have demonstrated an improvement in heart function associated with decreased protein O-GlcNAcylation. Our group has recently demonstrated a capacity for exercise to decrease protein O-GlcNAcylation in the ...
Whyte Laura J - - 2012
PURPOSE: This study aimed to investigate the effects of a single session of sprint interval training (SIT) and a single extended sprint (ES), matched for total work, on metabolic health biomarkers. METHODS: Ten overweight/obese men aged 26.9±6.2years participated. Following a pre-trial incremental exercise test and SIT familiarization, each participant undertook ...
Huidekoper Hidde H - - 2012
BACKGROUND: Impairments in gluconeogenesis have been implicated in the pathophysiology of fasting hypoglycemia in medium-chain acyl-CoA dehydrogenase deficiency. However, whole body glucose and fat metabolism have never been studied in vivo. METHODS: Stable isotope methodology was applied to compare fat and glucose metabolism between four adult patients with MCADD and ...
Hulton A T - - 2012
Pre-exercise meals containing carbohydrates (CHO) are recommended to athletes, although there is evidence to suggest that a high fat meal prior to exercise increases utilisation of fats yet may not adversely affect performance. This study investigated the effect of a high fat and high CHO pre-exercise meal prior to high ...
Heyman E - - 2012
The results of recent studies add the endocannabinoid system, and more specifically CB1 receptor signalling, to the complex mechanisms that negatively modulate insulin sensitivity and substrate oxidation in skeletal muscle. CB1 receptors might become overactive in the skeletal muscle during obesity due to increased levels of endocannabinoids. However, quite surprisingly, ...
Robinson Bridget K - - 2012
Physical inactivity among African American women persists despite health promotion efforts targeting this population. In the African American faith community, thinking patterns related to personal versus divine control over health status could affect self-efficacy beliefs and physical activity behavior. Religiosity, a determinate of self-efficacy for exercise, is influenced by culture. ...
de Graaf-Roelfsema Ellen - - 2012
Objective-To determine the influence of intensified training and subsequent reduced training on glucose metabolism rate and peripheral insulin sensitivity in horses and identify potential markers indicative of early overtraining. Animals-12 Standardbred geldings. Procedures-Horses underwent 4 phases of treadmill-based training. In phase 1, horses were habituated to the treadmill. In phase ...
Lee Youngjeon - - 2012
Diabetes decreases skeletal muscle mass and induces atrophy. However, the mechanisms by which hyperglycemia and insulin deficiency modify muscle mass are not well defined. In this study, we evaluated the effects of swimming exercise on muscle mass and intracellular protein degradation in diabetic rats, and proposed that autophagy inhibition induced ...
Herrington Stefanie J - - 2012
Data from Continuous Glucose Monitoring (CGM) systems may help improve overall daily glycemia; however, the accuracy of CGM during exercise remains questionable. The objective of this single group experimental study was to compare CGM-estimated values to venous plasma glucose (VPG) and capillary plasma glucose (CPG) during steady-state exercise. Twelve recreationally ...
Preisler Nicolai - - 2012
Pompe disease is caused by absence of the lysosomal enzyme acid alpha-glucosidase. It is generally assumed that intra-lysosomal hydrolysis of glycogen does not contribute to skeletal muscle energy production during exercise. However, this hypothesis has never been tested in vivo during exercise. We examined the metabolic response to exercise in ...
Carter Lindsay G - - 2012
Emerging research has shown that subtle factors during pregnancy and gestation can influence long-term health in offspring. In an attempt to be proactive, we set out to explore whether a nonpharmacological intervention, perinatal exercise, might improve offspring health. Female mice were separated into sedentary or exercise cohorts, with the exercise ...
Martin Jeffrey S - - 2012
Prevention and treatment of type 2 diabetes includes recommendation to perform aerobic exercise, but evidence indicates that high-intensity exercise training may confer greater benefit. Unique motor recruitment patterns during exercise elicit spatially focused increases in blood flow and subsequent adaptations. Therefore, using 20-wk-old Otsuka Long Evans Tokushima fatty (OLETF) rats ...
Sousa Claudia Maria - - 2012
Based on individual cases of treatment, we were interested in whether the effects of a special kind of qigong, the "White Ball" exercises, can be objectified by physically measurable parameters and psychological scores. We performed a preliminary prospective controlled interventional study with the waiting list design. In the qigong group ...
Ghiasvand Reza - - 2012
Supplementation with β-alanine has been proposed to improve performance in some exercises such as cycling and running. Also, it has been demonstrated that great deals of proton ions are produced in the skeletal muscles during exercise that result in acidosis, whereas β-alanine may reduce this effect. Therefore, the aim of ...
Mabo Philippe - - 2012
PURPOSE: The EVOCAV(DS) trial aimed to quantify the paradoxal atrioventricular (AV) conduction time lengthening in sinus node (SD) patients (pts) paced in AAIR-based pacing mode. METHODS: SD pts, implanted with dual-chamber pacemaker programmed in AAIR-based pacing mode, were randomized in two arms for a 1-month period: the low atrial pacing ...
Hasin Tal - - 2012
The goal of this study was to describe the predictors and significance of poor exercise tolerance after left ventricular assist device (LVAD) implantation. Despite LVAD therapy, some patients continue to exhibit exercise intolerance. The predictors and outcomes of these patients are unknown. A retrospective review of 65 LVAD recipients who ...
Schagatay Erika E a Department of Engineering and Sustainable Development , Mid Sweden University , Östersund , - - 2014
Abstract In competitive apnea divers, the nutritional demands may be essentially different from those of, for example, endurance athletes, where energy resources need to be maximised for successful performance. In competitive apnea, the goal is instead to limit metabolism, as the length of the sustainable apneic period will depend to ...
Chowdhury Kawshik K - - 2012
The sensitisation of insulin action in response to a meal (i.e. meal-induced insulin sensitisation, MIS) represents one of the major means of increased glucose disposal in peripheral tissues during the postprandial state. MIS occurs when the release of hepatic insulin-sensitising substance (HISS) stimulates skeletal muscle glucose uptake. Our previous study ...
Bowen T Scott - - 2012
Cardiopulmonary exercise testing for peak oxygen uptake (Vo(2peak)) can evaluate prognosis in chronic heart failure (CHF) patients, with the peak respiratory exchange ratio (RER(peak)) commonly used to confirm maximal effort and maximal oxygen uptake (Vo(2max)). We determined the precision of RER(peak) in confirming Vo(2max), and whether a novel ramp-incremental (RI) ...
Goldin Philippe P Department of Psychology, Stanford University, Stanford, CA 94305, USA. - - 2013
Mindfulness-based stress reduction (MBSR) is thought to reduce emotional reactivity and enhance emotion regulation in patients with social anxiety disorder (SAD). The goal of this study was to examine the neural correlates of deploying attention to regulate responses to negative self-beliefs using functional magnetic resonance imaging. Participants were 56 patients ...
Onksen J L JL Department of Pharmacology, University of Pennsylvania School of Medicine, Philadelphia, 19104, - - 2012
Exercise, specifically voluntary wheel running, is a potent stimulator of hippocampal neurogenesis in adult mice. In addition, exercise induces behavioral changes in numerous measures of anxiety in rodents. However, the physiological underpinnings of these changes are poorly understood. To investigate the role of neurogenesis in exercise-mediated anxiety, we examined the ...
Devendra Ganesh P - - 2012
This study was designed to assess the prevalence of provoked exercise desaturation (PED) in patients with patent foramen ovale (PFO) referred for cardiovascular evaluation and to evaluate the impact of PFO closure. Platypnea orthodeoxia syndrome is a rare, mechanistically obscure consequence of PFO that results in oxygen desaturation during postural ...
Kawano Hiroshi H Faculty of Sport and Sciences, Waseda University, Japan. Electronic - - 2012
Summary: Background: When previously sedentary males and females follow the same exercise training programs with ad libitum feeding, males reduced body mass, but females do not, which suggests that females may increase appetite in response to exercise training compared with males. Rope skipping is traditional exercise modality that everyone had ...
Ramos Roberta P - - 2012
Delayed postexercise heart rate recovery (HRR) has been associated with disability and poor prognosis in chronic cardiopulmonary diseases. The usefulness of HRR to predict exercise impairment and mortality in patients with pulmonary arterial hypertension (PAH), however, remains largely unexplored. Seventy-two patients with PAH of varied etiology (New York Heart Association ...
Priest D T - - 2012
Reason for performing study: Examination of the equine upper airway during racing has not previously been documented. Objective: To describe the feasibility and appearance of the upper airways by overground respiratory endoscopic examination during racing conditions. Methods: Overground videoendoscopic examinations were performed on 46 Standardbred racehorses during qualifying races. Examined ...
Barbero-Álvarez José C - - 2012
The aim of this study was to examine the physical and physiological demands of top-class soccer field (FR; n=7) and assistant (AR; n=7) referees during the America's Cup. FR and AR were equipped with a global positioning system (GPS) and a heart rate (HR) monitor for the recording of displacements ...
Grünig E - - 2012
The objective of this prospective study was to assess safety and efficacy of exercise training (ET) in a large cohort of patients with different forms and World Health Organization functional classes (WHO-FC) of chronic pulmonary hypertension (PH).183 patients with PH (pulmonary arterial hypertension (PAH), chronic thromboembolic PH (CTEPH) and PH ...
Chan Cecilia L W - - 2012
Qigong as a complementary and alternative modality of traditional Chinese medicine is often used by cancer patients to manage their symptoms. The aim of this systematic review is to critically evaluate the effectiveness of qigong exercise in cancer care. Thirteen databases were searched from their inceptions through November 2010. All ...
Wang Shih-Yi - - 2012
Pumpkin (Cucurbita moschata) is a popular and nutritious vegetable consumed worldwide. The overall purpose of this study was to evaluate the effects of C. moschata fruit extract (CME) on anti-fatigue and ergogenic functions following physiological challenges. Male ICR mice from four groups designated vehicle, CME-50, CME-100 and CME-250, respectively (n ...
Takemoto Masao - - 2012
Objectives The present study evaluated the clinical benefits of a new therapeutic method of radiofrequency catheter ablation (RFCA) using an EnSite system for inappropriate sinus tachycardia (IST). Materials and Methods Six patients with debilitating IST underwent RFCA using EnSite. Using the beta-adrenergic blocker and agonist, the heart rate was controlled ...
Piccione Giuseppe - - 2012
The aim of the present study was to evaluate the modifications of some physiological parameters during moderate treadmill exercise in seven healthy Beagle dogs. All animals were submitted to treadmill exercise consisting of walking (15 min), trotting (20 min) and walking (10 min). At every step, rectal temperature (RT) was ...
Sun Sam Z - - 2012
Fructose consumption and its implications on public health are currently under study. This work reviewed the metabolic fate of dietary fructose based on isotope tracer studies in humans. The mean oxidation rate of dietary fructose was 45.0% ± 10.7 (mean ± SD) in non-exercising subjects within 3-6 hours and 45.8% ± 7.3 in exercising subjects within 2-3 hours. ...
Tiwari Sushma - - 2012
Walking is an isotonic aerobic exercise and has been associated with reduced blood sugar level in diabetic patients and other physiological changes in observational studies. A study was conducted to determine the effect of isotonic aerobic exercise (walking) on blood sugar level and other important physiological parameters as per Prakriti. ...
Tutarel Oktay - - 2012
Chronic heart failure is an important cause for morbidity and mortality in adults with congenital heart disease (ACHD). While NT-proBNP is an established biomarker for heart failure of non-congenital origin, its value in ACHD has limitations. Asymmetrical dimethylarginine (ADMA) correlates with disease severity and independently predicts adverse clinical events in ...
Bacchi Elisabetta - - 2012
Both aerobic (AER) and resistance (RES) training, if maintained over a period of several months, reduce HbA1c levels in type 2 diabetes subjects. However, it is still unknown whether the short-term effects of these types of exercise on blood glucose are similar. Our objective was to assess whether there may ...
Cao Shicheng - - 2012
Exercise can increase skeletal muscle sensitivity to insulin, improve insulin resistance and regulate glucose homeostasis in rat models of type 2 diabetes. However, the potential mechanism remains poorly understood. In this study, we established a male Sprague-Dawley rat model of type 2 diabetes, with insulin resistance and β cell dysfunction, ...
Mähler Anja - - 2012
Metabolic flexibility is defined as ability to adjust fuel oxidation to fuel availability. Multiple sclerosis (MS) results in reduced muscle strength and exercise intolerance. We tested the hypothesis that altered metabolic flexibility contributes to exercise intolerance in MS patients. We studied 16 patients (all on glatiramer) and 16 matched healthy ...
Norton Lynda L School of Medicine, Flinders University, Adelaide, - - 2012
Numerous studies have measured changes in fasting blood glucose (FBG) levels in response to physical activity (PA) interventions. While studies involving clinical populations such as type 2 diabetics typically report significant reductions, most others report no change in FBG. This study investigated changes in FBG in apparently healthy adults following ...
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