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Results 201 - 250 of 631
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Niles David J DJ Department of Medical Physics, School of Medicine and Public Health, University of Wisconsin, 1111 Highland Ave, Room 1005, Madison, WI 53705-2275, - - 2013
To quantitatively evaluate interday, interreader, and intersite agreement of readers of hyperpolarized helium 3 (HPHe) MR images in patients with exercise-induced bronchoconstriction. This HIPAA-compliant, institutional review board approved study included 13 patients with exercise-induced bronchoconstriction. On two separate days, HPHe MR imaging of the lungs was performed at baseline, immediately ...
Falkai Peter - - 2012
Via influencing brain plasticity, aerobic exercise could contribute to the treatment of schizophrenia patients. As previously shown, physical exercise increases hippocampus volume and improves short-term memory. We now investigated gray matter density and brain surface expansion in this sample using MRI-based cortical pattern matching methods. Comparing schizophrenia patients to healthy ...
Wasenius N - - 2012
In randomized controlled trials (RCTs), with customized structured physical exercise activity (SPEA) interventions, the dose of leisure-time physical activity (LTPA) should exceed the LTPA dose of the nonexercising control (C) group. This increase is required to substantiate health improvements achievable by exercise. We aimed to compare the dose of SPEA, ...
Umpierre D - - 2012
AIMS/HYPOTHESIS: Supervised exercise programmes improve glycaemic control in type 2 diabetes, but training characteristics associated with reduction in HbA(1c) remain unclear. We conducted a systematic review with meta-regression analysis of randomised clinical trials (RCTs) assessing the association between intensity and volume of exercise training (aerobic, resistance or combined) and HbA(1c) ...
Annesi James - - 2012
BACKGROUND: Behavioral interventions for weight-loss have been largely unsuccessful. Exercise is the strongest predictor of maintained weight loss and much of its effects may be from associated changes in psychosocial factors. METHODS: Middle-aged, formerly sedentary adults with severe obesity were randomly selected to 6-month treatments of cognitive-behavioral exercise support paired ...
Ross Robert - - 2012
Although progress has been made to elucidate the effects of exercise as a strategy for reducing obesity and related cardiometabolic risk factors, the specific exercise exposures required to achieve optimal benefit continue to be the source of considerable uncertainty and debate. Despite the inference of a dose-dependent relationship between exercise ...
Ben Abderrahman Abderraouf - - 2012
The effect of endurance interval training (IT) on haematocrit (Ht), haemoglobin (Hb) and estimated plasma volume variation (PVV) in response to maximal exercise was studied in 15 male subjects (21.1±1.1 years, control group (CG) n=6, and training group (TG), n=9). Training group participated in interval training 3-times a week for ...
Fujimoto Naoki N The University of Texas Southwestern Medical Center at Dallas, - - 2012
Heart failure with preserved ejection fraction (HFpEF) is a disease of the elderly with cardiovascular stiffening and reduced exercise capacity. Exercise training appears to improve exercise capacity and cardiovascular function in heart failure with reduced ejection fraction. However, it is unclear whether exercise training could improve cardiovascular stiffness, exercise capacity, ...
Tewari N - - 2013
The development of chylous ascites is usually associated with trauma, iatrogenic or otherwise. Blunt abdominal trauma producing hyperextension or hyperflexion may cause disruption to lymphatic vessels causing chylous ascites. This report describes the case of a 38-year-old gentleman who presented to the emergency department with severe abdominal pain after completing ...
Dane D Merrill DM Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas 75390-9034, - - 2013
Following right pneumonectomy (PNX), the remaining lung expands and its perfusion doubles. Tissue and microvascular mechanical stresses are putative stimuli for initiating compensatory lung growth and remodeling, but their relative contributions to overall compensation remain uncertain. To temporally isolate the stimuli related to post-PNX lung expansion (parenchyma deformation) from those ...
Abboud George J - - 2012
ABSTRACT: Recent investigations have shown excess post-exercise oxygen consumption (EPOC) to be elevated for up to 48 hrs in both untrained and trained subjects following resistance training (RT). The purpose of the present study was to investigate the effect of load-volume on EPOC. Eight (n = 8) trained males (22 ...
Jeffs Eunice - - 2012
Exercise is considered to be a key aspect of lymphoedema treatment, although there is little evidence for the therapeutic effect of exercise in managing breast cancer-related lymphoedema (BCRL). This small randomised controlled trial (RCT) was designed to determine the feasibility, prior to undertaking a larger RCT, of researching a daily ...
Shafer Keri M - - 2012
The aim of this study was to determine the relative contribution of the muscle and ventilatory pumps to stroke volume in patients without a subpulmonic ventricle. In patients with Fontan circulation, it is unclear how venous return is augmented to increase stroke volume and cardiac output during exercise. Cardiac output ...
Mora-Rodriguez Ricardo - - 2013
During prolonged exercise, fluid and salt losses through sweating reduce plasma volume which leads to heart rate drift in association with hyperthermia and reductions in performance. Oral rehydration with water reduces the loss of plasma volume and lessens heart rate drift and hyperthermia. Moreover, the inclusion of sodium in the ...
Bierbaum Stefanie - - 2012
Unexpected changes during gait challenge elderly individuals to a greater degree than young adults. However, the adaptive potential of elderly seems to be retained, and therefore, the training of the mechanisms of dynamic stability as well as muscle strength training may improve the dynamic stability after unexpected perturbations. Thirty-eight subjects ...
Keteyian Steven J - - 2012
This study determined whether greater volumes of exercise were associated with greater reductions in clinical events. The HF-ACTION (Heart Failure: A Controlled Trial Investigating Outcomes of Exercise Training) trial showed that among patients with heart failure (HF), regular exercise confers a modest reduction in the adjusted risk for all-cause mortality ...
Fitzgerald Nicholas M - - 2013
There is comparatively little data on diffusion capacity in children during exercise. With the advent of improved technology, there is an increasing interest in exercise testing of children in order to predict the evolution of lung disease. In addition to the standard measure of exercise capacity, the VO2max, interest is ...
Connes Philippe - - 2012
The present review focuses on the past and recent knowledge in the field of exercise hemorheology and presents some unresolved issues for opening discussion. Acute exercise is associated with a rise in hematocrit which results in an increase in blood viscosity. Whereas increased blood viscosity was previously viewed as having ...
Naclerio Fernando - - 2012
ABSTRACT:: The aim of this study was to compare the effects of 3 different volume of resistance training (RT) on maximum strength and average power in college team sport athletes with no previous resistance training experience. 32 subjects (20 men and 12 women, age = 23.1± 1.57 yrs) were randomly ...
Lodo L - - 2012
The purpose of the study was to investigate the relationship between the total volume of load lifted (TVLL) and the rating of perceived exertion (RPE) measures during different resistance training (RT) schemes using the bench press exercise. The present study was divided into two experiments. In the first experiment, 18 ...
Laveneziana Pierantonio - - 2012
Sixteen patients with stable asthma performed a symptom-limited constant work-rate CWR cycle exercise during which breathing pattern, operating lung volumes, dyspnea intensity and its qualitative descriptors were measured. An inflection in the relation between tidal volume (VT) and ventilation (V˙E) was observed in each subject. The sense of "work/effort" was ...
Kato David J - - 2012
PURPOSE:: Chronic obstructive pulmonary disease (COPD) is a progressively debilitating disease, which, over time, may compromise patient ability to perform activities of daily living (ADL). The purpose of this study was to examine the relationships between selected parameters of physical fitness and performance of ADL in COPD patients. METHODS:: A ...
Lopez Rebecca M - - 2012
ABSTRACT: The purpose of this study was to identify the effects of superficial cooling on thermoregulatory responses while exercising in a hot, humid environment while wearing an American football uniform. Nine male and female subjects wore a superficial cooling garment while in a cooling (CS) experimental condition or a no ...
McRae Gill - - 2012
The current study evaluated changes in aerobic fitness and muscular endurance following endurance training and very low volume, whole-body, high-intensity, interval-style aerobic-resistance training. Subjects' enjoyment and implementation intentions were also examined prior to and following training. Subjects (22 recreationally active females (20.3 ± 1.4 years)) completed 4 weeks of exercise training 4 days per ...
Hackett Daniel A - - 2012
ABSTRACT: Bodybuilding involves performing a series of poses on stage where the competitor is judged on aesthetic muscular appearance. The purpose of this study was to describe training practices and ergogenic aids used by competitive bodybuilders, and to determine whether training practices comply with current recommendations for muscular hypertrophy. A ...
Scheewe Thomas W - - 2012
The objective of this study was to examine exercise effects on global brain volume, hippocampal volume, and cortical thickness in schizophrenia patients and healthy controls. Irrespective of diagnosis and intervention, associations between brain changes and cardiorespiratory fitness improvement were examined. Sixty-three schizophrenia patients and fifty-five healthy controls participated in this ...
Guo Yinghua - - 2013
There is evidence to suggest that microgravity/weightlessness can induce changes in lung physiology/function. We hypothesized that microgravity, induced by head-down bed rest (HDBR), would induce changes in lung function and that exercise training with artificial gravity (AG) would prevent these changes from occurring. Twelve participants were randomly assigned to a ...
Isaksen Kjetil - - 2012
Indications for implantable cardioverter defibrillators (ICDs) have been widened considerably during the last decade due to the well-documented effect in the heart failure population. Exercise training (ET) has a 1A recommendation in heart failure. However, data on safety and efficacy of ET in patients with ICDs is sparse. ICD shocks ...
Koeken Yvette - - 2012
The Fontan palliation was introduced as surgical repair method for tricuspid atresia, creating a univentricular serial circulation. However, it is used as treatment for other life threatening complex congenital heart diseases as well. The variation of underlying pathologies treated with this palliation makes optimization difficult. To assist the optimization process, ...
Zlebnik Natalie E - - 2012
Concurrent access to an exercise wheel decreases cocaine self-administration under short access (5 h/day for 5 days) conditions and suppresses cocaine-primed reinstatement in adult rats. The effect of exercise (wheel running) on the escalation of cocaine intake during long access (LgA, 6 h/day for 26 days) conditions was evaluated. Adolescent ...
Menon Shaji C - - 2012
In repaired tetralogy of Fallot (TOF), exercise test parameters like peak oxygen uptake and ventilatory efficiency predict mortality. Studies have also suggested cardiac magnetic resonance (CMR)-derived right ventricular (RV) size threshold values for pulmonary valve replacement in repaired TOF. However, effects of proposed RV size on exercise capacity and morbidity ...
Degeling Chris - - 2012
Risk factors associated with canine obesity include the amount of walking a dog receives. The aim of this study was to investigate the relationships between canine exercise requirements, socio-demographic factors, and dog-walking behaviors in winter in Calgary. Dog owners, from a cross-sectional study which included a random sample of adults, ...
Givan Gordon V - - 2012
Time allowing, euhydration can be achieved in the vast majority of individuals by drinking and eating normal beverages and meals. Important to the competitive athlete is prevention and treatment of dehydration and exercise-associated muscle cramps, as they are linked to a decline in athletic performance. Intravenous (IV) prehydration and rehydration ...
Tsampoukos Antonios A a School of Sport, Exercise and Health Sciences , Loughborough University , Loughborough , - - 2014
Abstract It is currently unknown whether any changes in plasma volume (PV) after sprint running are inherent to sprint running per se or are due to other confounding factors such as changes in posture. The purpose of the present study was to examine the independent effects of sprint running on ...
Sable Meenakshi - - 2012
In the present study pulmonary function tests of two different groups of athletes, swimmers and runners were studied and compared. Thirty swimmers who used to swim a distance of two to three kilometers per day regularly were compared with age, sex, height, and weight matched thirty middle distance runners. Runners ...
Passier L - - 2012
An acoustic neuroma (also known as a vestibular schwannoma) is an intracranial tumour of the vestibular nerve that is commonly treated by surgical resection. Following resection of an acoustic neuroma, patients may experience a range of symptoms that include deficits in gaze stability, mobility and balance. Vestibular rehabilitation may be ...
Kokkinos Peter - - 2012
A plethora of epidemiologic evidence from large studies supports unequivocally an inverse, independent, and graded association between volume of physical activity, health, and cardiovascular and overall mortality. This association is evident in apparently healthy individuals, patients with hypertension, type 2 diabetes mellitus, and cardiovascular disease, regardless of body weight. Moreover, ...
Mairer Klemens - - 2012
Acute mountain sickness (AMS) is a common condition among non-acclimatized individuals ascending to high altitude. However, the underlying mechanisms causing the symptoms of AMS are still unknown. It has been suggested that AMS is a mild form of high-altitude cerebral edema both sharing a common pathophysiological mechanism. We hypothesized that ...
Yasuda Tomohiro - - 2012
We investigated the acute and chronic effects of low-intensity concentric or eccentric resistance training with blood flow restriction (BFR) on muscle size and strength. Ten young men performed 30% of concentric one repetition maximal dumbbell curl exercise (four sets, total 75 reps) 3 days/week for 6 weeks. One arm was ...
Balducci Stefano - - 2012
While current recommendations on exercise type and volume have strong experimental bases, there is no clear evidence from large-sized studies indicating whether increasing training intensity provides additional benefits to subjects with type 2 diabetes. To compare the effects of moderate-to-high intensity (HI) versus low-to-moderate intensity (LI) training of equal energy ...
Beeh Kai M - - 2012
Exercise limitation, dynamic hyperinflation, and exertional dyspnea are key features of symptomatic chronic obstructive pulmonary disease (COPD). We assessed the effects of glycopyrronium bromide (NVA237), a once-daily, long-acting muscarinic antagonist, on exercise tolerance in patients with moderate to severe COPD. Patients were randomized to a cross-over design of once-daily NVA237 ...
Tudor-Locke Catrine - - 2012
Accumulated evidence supports the promotion of structured exercise for treating prediabetes and preventing Type 2 diabetes. Unfortunately, contemporary societal changes in lifestyle behaviors (occupational, domestic, transportation, and leisure-time) have resulted in a notable widespread deficiency of non-exercise physical activity (e.g., ambulatory activity undertaken outside the context of purposeful exercise) that ...
Marios Tracy - - 2012
We used tele-monitoring to attempt to improve exercise adherence (number of hours of exercise completed), peak VO2, HbA1c% and quality of life in an unsupervised, home based exercise program in people with type II diabetes, a cost analysis was also conducted. Thirty-nine patients with type II diabetes were randomized to ...
Gelen Ertugrul E Sakarya University, School of Physical Education and Sport , Sakarya, - - 2012
The purpose of this study was to compare the acute effects of static stretching; dynamic exercises and high volume upper extremity plyometric activity on tennis serve performance. Twenty-six elite young tennis players (15.1 ± 4.2 years, 167.9 ± 5.8 cm and 61.6 ± 8.1 kg) performed 4 different warm-up (WU) ...
Hackett Daniel A DA Discipline of Exercise and Sport Science, University of Sydney , - - 2012
This study investigated the effect of a high-volume compared to a low-volume resistance training session on maximal inspiratory pressure (MIP) and maximal expiratory pressure (MEP). Twenty male subjects with resistance training experience (6.2 ± 3.2 y), in a crossover trial, completed two resistance training protocols (high-volume: 5 sets per exercise; ...
Drenowatz Clemens - - 2013
Abstract Several studies have examined energy expenditure in various sports but there is a lack of research on the contribution of exercise and habitual activity during different training periods. This study examined changes in total daily energy expenditure (TDEE) and its components during high- and low-volume training periods. Further, changes ...
Delage A - - 2011
In late stage chronic obstructive pulmonary disease, emphysema can worsen respiratory symptoms, not only via the loss of surface for gas exchange, but also via alterations in mechanical properties of the respiratory system (dynamic and static hyperinflation). Emphysematous lung volume reduction aims at improving respiratory mechanics and symptomatology in patients ...
Stitely Michael L - - 2011
Introduction: Postpartum hemorrhage is a common complication of vaginal birth. Few midwives have experience in the performance of procedures to manage hemorrhage that fails to respond to initial management with medications and bimanual compression. Methods: A simulation model was constructed by using a half-pelvis birth simulator and a hollowed out ...
Romagnoli Isabella - - 2011
We hypothesised that chest wall displacement inappropriate to increased ventilation contributes to dyspnoea more than dynamic hyperinflation or dyssynchronous breathing during unsupported arm exercise (UAE) in COPD patients. We used optoelectronic plethysmography to evaluate operational volumes of chest wall compartments, the upper rib cage, lower rib cage and abdomen, at ...
Machado Marco - - 2011
The aim of study was to assess the correlation between the changes in serum CK activity after a resistance exercise and renal function measured by glomerular filtration rate (eGFR). Twenty-nine trained women (32 ± 10 years; 157 ± 4 cm; 58.8 ± 6.4 kg) performed a resistance exercise session with 17 exercises with 3 × 12 repetitions in a circuit training ...
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