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Results 451 - 500 of 1119
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Shelmadine Brian - - 2009
This study determined the effects of 28 days of heavy resistance exercise combined with the nutritional supplement, NO-Shotgun(R), on body composition, muscle strength and mass, markers of satellite cell activation, and clinical safety markers. Eighteen non-resistance-trained males participated in a resistance training program (3 x 10-RM) 4 times/wk for 28 ...
Koga Ririko - - 2008
BACKGROUND: Visceral adiposity is an essential component of metabolic syndrome. Reduction of excessive visceral fat prevents metabolic syndrome and improves atherosclerotic diseases. This study aimed to identify dietary patterns and physical exercise during the training-education period that predict visceral adiposity regain during the follow-up period. METHODS: One hundred one moderately ...
Bouhlel Ezzedine - - 2008
PURPOSE: To evaluate the effect of Ramadan fasting on parameters of insulin resistance in trained athletes at rest and after aerobic exercise. METHODS: Nine male rugby players (age 19 +/- 2 yr, height 1.78 +/- 0.74 m) were tested 3 times: 1 week before observance of Ramadan (C), at the ...
Ucok Kagan - - 2009
Obesity is a strong risk factor for the development and progression of sleep apnea. Responses to exercise by patients with obstructive sleep apnea syndrome (OSAS) are clinically relevant to reducing body weight and cardiovascular risk factors. This study aimed to clarify the aerobic and anaerobic exercise capacities and their possible ...
Jung W - - 2009
To investigate the influence of pre-exercise carbohydrate ingestion on fat and carbohydrate oxidation during prolonged arm cranking exercise in persons with spinal cord injury. Six male paraplegic subjects (PS, Ll-Th3, 46.3+/-6.6 years) and seven able-bodied subjects (AB, 43.1+/-4.6 years) were volunteered to participate in the present study. The subjects were ...
Bergouignan Audrey - - 2009
Obesity and diabetes are characterized by the incapacity to use fat as fuel. We hypothesized that this reduced fat oxidation is secondary to a sedentary lifestyle. We investigated the effect of a 2-month bed rest on the dietary oleate and palmitate trafficking in lean women (control group, n = 8) ...
Aucouturier Julien - - 2009
We aimed to examine the interchangeability of techniques used to assess maximal oxygen consumption (VO2max) and maximal aerobic power (MAP) employed to express the maximal fat oxidation point in obese children and adolescents. Rate of fat oxidation were measured in 24 obese subjects (13.0 +/- 2.4 years; Body Mass Index ...
Daza A - - 2009
In a first experiment one group of pigs was maintained in free-range conditions according to the traditional way in a Mediterranean forest (exercised-1) and another group was housed individually and received acorns (sedentary-1). In a second experiment two groups of pigs were fed a mixed diet for the whole experimental ...
Vella Chantal A - - 2009
Overweight and obesity are associated with hemodynamic changes at rest. Whether these changes are mirrored during exercise is uncertain. We compared cardiac output (Q) and stroke volume (SV) in 12 overweight (OW) and 12 normal weight (NW) adults at rest and during exercise. Participants were assessed for body composition, peak ...
MacEneaney, Owen
Elevated postprandial lipemia (PPL) is associated with impaired endothelial function, an increase in adhesion molecule expression and inflammation. Acute exercise reduces PPL in adults. No studies have examined the effect of acute exercise on PPL in normal weight (NW) and overweight (OW) adolescents. PURPOSE: To investigate the effect of an ...
Irving Brian A BA Department of Human Services, Division of Endocrinology and Metabolism, University of Virginia, Charlottesville, VA, - - 2008
The metabolic syndrome is a complex clustering of metabolic defects associated with physical inactivity, abdominal adiposity, and aging. To examine the effects of exercise training intensity on abdominal visceral fat (AVF) and body composition in obese women with the metabolic syndrome. Twenty-seven middle-aged obese women (mean +/- SD; age = ...
Bouassida A - - 2010
Leptin and adiponectin represent two newly discovered adipose tissue derived hormones; that are both associated with health status and glucose and free fatty acid (FFA) metabolism. Moreover, acute and chronic exercises affect body composition, carbohydrate and lipid metabolism. It is thus interesting to evaluate the effects of physical exercise and ...
Kim Maeng-Kyu - - 2009
The purpose of this study was to determine the effects of exercise training on ventricular epicardial fat thickness in obese men and to investigate the relationship of the change in epicardial fat thickness to changes in abdominal fat tissue following exercise training. Twenty-four obese middle-aged men [age, 49.4 +/- 9.6 ...
Donovan E R - - 2008
This study examines the physiological response to locomotion in lizards following bouts of activity scaled to body mass. We evaluate this method as a way to compare locomotor energetics among animals of varying body mass. Because most of the costs of brief activity in reptiles are repaid during recovery we ...
Cheng Mary Huey-Yu - - 2009
This study assessed the effect of exercise timing relative to meal consumption on appetite and its hormonal regulators (i.e., PYY(3-36), ghrelin and leptin) in moderately active young men. Twelve men performed three trials in a random order: (1) meal consumption, (2) exercise 2h after a meal, (3) exercise 1h before ...
Kim Kijin - - 2008
The aim of the current study was to examine the associations of visceral adiposity and exercise participation with C-reactive protein (CRP), insulin resistance, and endothelial dysfunction in Korean adults selected from the general population. We studied 160 Korean adults (aged 41.3 +/- 13.0 years; n = 38 men and n ...
Niven Ailsa - - 2008
In this study, we compared the effects of a 72-h exercise abstinence period and normal exercise on the affect and body dissatisfaction of 58 healthy women (mean age 26.1 years, s = 8.2) who exercised at least four times per week, and explored the relationship between the changes in affect ...
Saito Misato - - 2008
We determined whether sustained aerobic exercise reverses high-fat diet-induced impairments in the c-Cbl associated protein (CAP)/Casitas b-lineage lymphoma (c-Cbl) signaling cascade in rodent skeletal muscle. Sprague-Dawley rats were placed into either control (n = 16) or high-fat-fed (n = 32) diet groups for 4 weeks. During a subsequent 4-week experimental ...
Lorenzen Christian - - 2009
Whole body vibration exercise (WBV) intensity can be manipulated by altering the frequency of oscillations and/or its magnitude. The inconsistencies and inaccuracies reported within the literature that at times challenge the replication and advancement of whole body vibration exercise research are discussed. Although frequency is regularly reported, inconsistency exists with ...
Monteux C - - 2008
BACKGROUND: Adipocytes in femoral areas are known to be metabolically 'silent'. Changes related to fat cell hypertrophy may be involved in the formation of cellulite. A mechanical massage technique, with circulatory and dermotrophic properties, has been shown to have an impact on clinical evaluations (i.e. changes in morphometric measurements) in ...
Suryadevara Amar C - - 2008
PURPOSE OF REVIEW: As our understanding of the perioral region advances and procedures available for its treatment increase, we are more able to successfully treat the aged perioral region with minimal risk. The aged perioral region has traditionally been rejuvenated by direct surgical excision, chemical peels, and laser resurfacing. Many ...
Amati Francesca - - 2008
Perturbations in body weight have been shown to affect energy expenditure and efficiency during physical activity. The separate effects of weight loss and exercise training on exercise efficiency or the proportion of energy derived from fat oxidation during physical activity, however, are not known. The purpose of this study was ...
Tjønna Arnt Erik AE Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, - - 2008
Individuals with the metabolic syndrome are 3 times more likely to die of heart disease than healthy counterparts. Exercise training reduces several of the symptoms of the syndrome, but the exercise intensity that yields the maximal beneficial adaptations is in dispute. We compared moderate and high exercise intensity with regard ...
Plaisance Eric P - - 2008
BACKGROUND: Aerobic exercise and niacin are frequently used strategies for reducing serum triglycerides, and, yet, there is no information regarding the combined effects of these strategies on postprandial triglycerides. OBJECTIVE: We compared the effects of aerobic exercise and 6 wk of extended-release niacin on postprandial triglycerides in men with the ...
Bochi Vivian C - - 2008
The utilization of filleting wastes from silver catfish in the formulation of fishburgers was evaluated by replacing grounded fish fillets with increasing levels (0-control, 20%, 50%, and 80%) of pulp obtained from filleting wastes (PFW). Fat content of burgers increased with increasing levels of PFW (p<0.05). Burgers with 50-80% PFW ...
Riddell M C - - 2008
The range of exercise intensities that elicit high fat oxidation rates (FOR) in youth and the influence of pubertal status on peak FOR are unknown. In a longitudinal design, we compared FOR over a range of exercise intensities in a small cohort of developing prepubertal male subjects. Five boys all ...
Tolfrey Keith - - 2008
PURPOSE: To compare the effects of 60-min bouts of intermittent moderate and vigorous exercise on postprandial plasma triacylglycerol (TAG) metabolism in eight healthy adolescent boys (mean +/- SD age: 13 +/- 0.3 yr). METHODS: Participants completed three conditions in a counterbalanced order. On day 1, they either rested for 110 ...
Lazzer S - - 2008
OBJECTIVE: To investigate the effects of an 8-month multidisciplinary weight-control program, including 2 h/week of moderate physical activity, nutritional education lessons and psychological follow-up, on body composition and lipid oxidation rate during exercise in obese children. DESIGN: Nineteen (7 boys and 12 girls) obese children, aged 8-12 yr [mean body ...
Weiss Edward P EP Division of Geriatrics and Nutritional Sciences, Department of Internal Medicine, Washington University School of Medicine, St Louis, MO, USA. - - 2008
Caloric restriction (CR) decreases circulating triiodothyronine (T(3)) concentration. However, it is not known if this effect is due to body fat mass reductions or due to CR, per se. The purpose of this study was to test the hypothesis that plasma T(3) concentration decreases with CR-induced reductions in fat mass ...
Jankord Ryan R Department of Biomedical Sciences, College of Veterinary Medicine, University of Missouri, Columbia, MO 65211, USA. - - 2008
Eating and physical activity behaviors influence neuroendocrine output. The purpose of this study was to test, in an animal model of diet-induced cardiovascular disease, the effects of high-fat feeding and exercise training on hypothalamo-pituitary-adrenocortical (HPA) axis activity. We hypothesized that a high-fat diet would increase circulating free fatty acids (FFAs) ...
Riddell Michael C - - 2008
Adolescence is a time of rapid growth caused by significant changes in hormone levels. For many, it is also a time of increased physical activity and sport that places a large demand on energy reserves. Exercise is known to cause perturbations in endocrine and metabolic systems in children and adolescents, ...
Zunquin G - - 2009
OBJECTIVE: To examine fat oxidation rates during exercise in lean and obese pubescent children. DESIGN: A graded leg cycle ergometry test was performed by two groups of pubescent boys (13 lean: mean (SD) age 12.0 (0.5) years, body mass index (BMI) 18.56 (1.12) kg/m(2); 17 obese: mean (SD) age 12.1 ...
Park Seung Ha - - 2008
Despite the increasing interest in mesotherapy as an alternative method for body contouring, there are few reports of its safety, efficacy, and mechanism of action. A clinical examination was performed to evaluate the efficacy of mesotherapy for body contouring. Twenty women were enrolled in this prospective, case-controlled study over a ...
Tarnopolsky Mark A - - 2008
Women oxidize more lipid and less carbohydrate and protein compared with men during endurance exercise. The increase in fat oxidation is associated with higher intramyocellular lipid content and use as well as greater adipocyte lipolysis. Glucose rates of appearance and disappearance are lower for women than for men, with no ...
Huffman Kim M KM Division of Rheumatology, Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA. huffm007@mc.duke.edu - - 2008
Adipose-derived cytokines play a prominent role in mediating the metabolic consequences of obesity and excess body fat. Given this, we hypothesized that alterations in adipose tissue stores incurred with exercise training would be reflected in changes in systemic cytokine concentrations. The Studies of Targeted Risk Reduction Intervention through Defined Exercise, ...
Solomon Thomas P J TP Department of Pathobiology, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Ave./NE-40, Cleveland, OH 44195, - - 2008
Older, obese, and sedentary individuals are at high risk of developing diabetes and cardiovascular disease. Exercise training improves metabolic anomalies associated with such diseases, but the effects of caloric restriction in addition to exercise in such a high-risk group are not known. Changes in body composition and metabolism during a ...
Malavolti Marcella - - 2008
Individuals in a structural physical training program can show beneficial changes in body composition, such as body fat reduction and muscle mass increase. This study measured body composition changes by using 3 different techniques-skinfold thickness (SF) measurements, air displacement plethysmography (BOD-POD), and dual-energy x-ray absorptiometry (DXA)-during 9 months of intense ...
Venables Michelle C - - 2008
PURPOSE: Obesity and type 2 diabetes mellitus are disease states associated with hallmark features such as insulin resistance and an impaired ability to oxidize lipids. It has recently been reported that an optimal exercise intensity for fat oxidation (FATmax) exists; we hypothesize that continuous exercise training at this specific intensity ...
Shannon Keith A - - 2008
PURPOSE: To determine whether ethnicity influences postprandial lipemia after a bout of aerobic exercise. METHODS: Randomized crossover design. Healthy White (W; n=6) and African American (AA; n=6) women (age, W 27.0+/-3.3 yr, AA 21.6+/-1.4 yr; body-mass index, W 25.0+/-0.93 kg/m2, AA 25.8+/-0.79 kg/m2) participated in 2 treatments (control and exercise), ...
Iacobellis Gianluca - - 2008
Recent evidence suggests that epicardial and perivascular adipose tissue could mechanically and functionally affect the heart and vasculature, thereby possibly playing a role in adiposity-related atherosclerosis. Experimental and clinical observations suggest both favorable and unfavorable effects of epicardial and perivascular fat. The double role of epicardial and perivascular adipose tissue ...
Flore Patrice - - 2008
BACKGROUND: Down syndrome (DS) is a risk factor for metabolic syndrome and cardiovascular disease. The greater oxidative stress described in DS can increase this risk owing to its potential deleterious effects on insulin sensitivity. We hypothesized that metabolic syndrome or its markers, at rest and during exercise, are more pronounced ...
Silvestre Ricardo - - 2008
PURPOSE: The purpose of this study was to examine the effects of previous exercise on metabolic, hormonal, and endothelial responses to an oral fat-tolerance test (OFTT). METHODS: Twelve healthy, recreationally trained men (age = 22.3 +/- 2.5 yr, weight = 80.7 +/- 12.4 kg, BMI = 25.1 +/- 3.1 kg.m(-2)) ...
Potteiger Jeffrey A - - 2008
PURPOSE: To determine whether 16 months of moderate-intensity exercise training changes resting metabolic rate (RMR) and substrate oxidation in overweight young adults. METHODS: Participants were randomly assigned to nonexercise control (CON, 18 women, 15 men) or exercise (EX, 25 women, 16 men) groups. EX performed supervised and verified exercise 3-5 ...
Stiegler Petra - - 2008
Maximizing postprandial energy expenditure and fat oxidation could be of clinical relevance for the treatment of obesity. This study investigated the effect of prior exercise on energy expenditure and substrate utilization after meals containing varying amounts of macronutrients. Eight lean (11.6%+/-4.0% body fat, M+/-SD) and 12 obese (35.9%+/-5.3% body fat) ...
Demark-Wahnefried Wendy - - 2008
Patients with breast cancer on adjuvant chemotherapy can experience weight gain and concurrent losses in muscle mass. Exercise interventions can prevent these changes, but time and travel pose barriers to participation. The Survivor Training for Enhancing Total Health (STRENGTH) trial assessed the feasibility and impact of 2 home-based interventions. Ninety ...
Barnard R J - - 2008
Epidemiological studies suggest a positive association between nutrient intake, hyperinsulinemia and risk of Benign prostatic hyperplasis (BPH). This study tests the hypothesis that a low-fat, high-fiber diet and daily exercise would lower serum insulin and reduce the growth of serum-stimulated primary prostate epithelial cells in culture. Serum samples were obtained ...
Aucouturier Julien - - 2008
During exercise, the contribution of fat and carbohydrate to energy expenditure is largely modulated by the intensity of exercise. Age, a short- or long-term diet enriched in carbohydrate or fat substrate stores, training and gender are other factors that have also been found to affect this balance. These factors have ...
Leyes Pere - - 2008
BACKGROUND: The use of combination antiretroviral therapy (cART) has improved the prognosis of HIV infection, but it has also been linked to a spectrum of body composition changes and metabolic alterations known as the lipodystrophy syndrome. Nutritional status could influence body composition changes. METHODS: We performed a systematic search of ...
Schmitz Kathryn H - - 2008
PURPOSE: The effect of exercise training on lipid peroxidation and endogenous estrogens is not well understood in premenopausal women. Exercise effects on these variables could mediate observed associations of exercise with hormonally related cancers, including breast cancer. The purpose of the study is to determine the effect of 15 weeks ...
Ramos-Jiménez Arnulfo - - 2008
The respiratory exchange ratio (RER) indirectly shows the muscle's oxidative capacity to get energy. Sedentarism, exercise and physically active lifestyles modify it. For that reason, this study evaluates the associations between RER during sub-maximum exercise and other well established fitness indicators (body fat, maximum heart rate, maximum O(2) uptake, workload, ...
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