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Kormann R - - 2012
We report the case of an athletic 49-year-old female who has run the 2011 Marathon of Paris and was addressed to the hospital for a confusion. The investigations revealed a cerebral edema complicating a severe hyponatremia secondary to an exercise-associated hyponatremia (EAH). Using 3% hypertonic saline solution, the evolution the ...
Lafata Danielle - - 2012
Although studies have investigated the effects of hydration on performance measures, few studies have investigated how the temperature of the ingested liquid affects performance and core temperature during an exercise session. The hypothesis of the present study was that cold water would improve thermoregulation and performance as measured by bench ...
Agodokpessi G - - 2012
INTRODUCTION: The bronchoconstriction induced by exercise (BIE) in urban black Africans is poorly known. The warm moist air would be a mitigating factor for its occurrence. The objective of this study was to measure the prevalence and determine the associated factors. SUBJECTS AND METHODS: A prospective descriptive and analytical involving ...
Doukky Rami - - 2012
Patients with the human immunodeficiency virus (HIV) are at risk for multiple pulmonary complications including pulmonary hypertension. Exercise induced pulmonary hypertension (EIPH) has been previously described in patients with scleroderma, sickle cell disease and chronic obstructive pulmonary disease, yet has not been associated with the HIV population. A prospective case-control ...
Boespflug Erin L - - 2011
Changes in diffusion tensor imaging (DTI) values co-occur with neurological and functional changes after stroke. However, quantitative DTI metrics have not been examined in response to participation in targeted rehabilitative interventions in chronic stroke. The primary purpose of this pilot study was to examine whether changes in DTI metrics co-occur ...
Papandonatos George D GD Department of Biostatistics, Brown University, Providence, RI 02912, USA. - - 2012
To examine putative mediators of a 12-month motivationally tailored physical activity (PA) promotion intervention. We randomly assigned 239 healthy, underactive adults (moderate-vigorous physical activity <90 min/week; mean age = 47.5 years; 82% women) to receive (a) print-based feedback, (b) phone-based feedback, or (c) contact control. PA at baseline, 6, and ...
Khayi Hafid - - 2011
Obstructive sleep apnea (OSA) syndrome generates hypertension, atherosclerosis, and endothelial and autonomic dysfunction, which may mutually interact with ocular vascular regulation. Exercise and posture changes can be used to manipulate blood pressure, ocular perfusion pressure (OPP), or both. It was hypothesized that choroidal vascular reactivity in response to isometric exercise ...
Steiger F F Institute of Human Movement Sciences and Sport, ETH Zürich, Zurich, - - 2012
The effect size for exercise therapy in the treatment of chronic non-specific low back pain (cLBP) is only modest. This review aims to analyse the specificity of the effect by examining the relationship between the changes in clinical outcome (pain, disability) and the changes in the targeted aspects of physical ...
Wu M-F - - 2011
Hypocretin (Hcrt) has been implicated in the control of motor activity and in respiration and cardiovascular changes. Loss of Hcrt in narcolepsy is linked to sleepiness and to cataplexy, a sudden loss of muscle tone which is triggered by sudden strong emotions. In the current study we have compared the ...
Kosma Maria M Department of Kinesiology, Louisiana State University, Baton Rouge, LA 70803, USA. - - 2012
Given the importance of physical activity (PA) and the low activity levels among adults with physical disabilities, it is important to understand how temporal changes in psychosocial constructs affect PA changes over time. Examine if changes in the transtheoretical model (TTM) constructs affected changes in PA levels over time. One ...
Friedmann-Bette Birgit - - 2012
Repeated biopsy sampling from one muscle is necessary to investigate muscular adaptation to different forms of exercise as adaptation is thought to be the result of cumulative effects of transient changes in gene expression in response to single exercise bouts. In a crossover study, we obtained four fine needle biopsies ...
Zhang Ying - - 2011
AIMS: This study tested the impact of combining a motivational intervention based on protection motivation theory (PMT, Rogers, 1983 [18]) plus a volitional intervention based on action planning and coping planning, as a way to promote the prevention of type 2 diabetes among UK undergraduates. METHODS: Eighty-four participants were randomly ...
Thomas Claire - - 2012
Two lactate/proton cotransporter isoforms (monocarboxylate transporters, MCT1 and MCT4) are present in the plasma (sarcolemmal) membranes of skeletal muscle. Both isoforms are symports and are involved in both muscle pH and lactate regulation. Accordingly, sarcolemmal MCT isoform expression may play an important role in exercise performance. Acute exercise alters human ...
Vogt Tobias - - 2011
While numerous researches addressed the connection between physical exercise, changes in brain cortical activity and its relationship to psycho-physiological processes, most of these neuro-scientific studies were set up for healthy individuals. However, the benefits of exercise, such as well being, physical and cognitive health enhancements are also becoming increasingly important ...
Cone John R - - 2011
PURPOSE:: An observed relationship between soccer match duration and injury has led to research examining changes in lower extremity mechanics and performance with fatiguing exercise. As many fatigue protocols are designed to result in substantial muscular deficits, theymay not reflectthe fatigue associated with sport-specificdemandsthat have been associated with therising incidence ...
Schlairet Maura C - - 2011
The purpose of this study was to evaluate perceived educational needs regarding nutrition and exercise in older cancer survivors. One hundred ninety survivors, age 70.7 (7.5), completed a Survey of Needs developed from the City of Hope Quality of Life model. Fifty percent reported distress related to poor appetite, 60% ...
Ogura Yuji - - 2011
Macroautophagy (autophagy) is an intracellular catalytic process. We examined the effect of running exercise, which stimulates cardiac work physiologically, on the expression of microtubule-associated protein 1 light chain 3 (LC3)-II, an indicator of autophagy, as well as some autophagy-related proteins in rat cardiac muscle. The left ventricles were taken from ...
Lavoy Emily C P - - 2011
Cold temperature and exercise independently impose stress on the human body that can lead to circulatory and metabolic changes, and depress the immune system. Multiple stressors applied together may amplify this immunodepression, causing greater immune impairment and heightened infection risk than with either stressor alone. As such, winter athletes and ...
Panneerselvam Arunkumar - - 2011
A 45-year-old man showed tombstone-like electrocardiographic change during stage 1 of stress testing, using Bruce protocol. The raw rhythm strip did not show any ST-T changes. These pseudochanges were probably the result of computer-synthesized averaging algorithm errors.
Turner James E - - 2011
Vigorous exercise is associated with oxidative stress, a state that involves modifications to bodily molecules due to release of pro-oxidant species. Assessment of such modifications provides non-specific measures of oxidative stress in human tissues and blood, including circulating lymphocytes. Lymphocytes are a very heterogeneous group of white blood cells, consisting ...
Mullen Sean P - - 2011
The purpose of these studies was to examine the relationship between perceptions of exercise-related changes (i.e., perceived mastery and physical change) and certainty with regard to the self-as-exerciser. It was hypothesized that seeing "change" would be associated with more favorable levels of exercise self-certainty and behavior relative to "no change." ...
Brinkley Tina E TE Dept. of Kinesiology, Univ. of Maryland, College Park, MD 20742-2611, - - 2011
Our objective was to test the hypothesis that a common polymorphism in the hepatic lipase (HL) gene (LIPC -514C>T, rs1800588) influences aerobic exercise training-induced changes in TG, very-low-density lipoprotein (VLDL), and high-density lipoprotein (HDL) through genotype-specific increases in lipoprotein lipase (LPL) activity and that sex may affect these responses. Seventy-six ...
Nieman David C - - 2011
This study investigated the influence of age, body composition, physical fitness, training volume and intensity, and underlying systemic inflammation on exercise-induced inflammation and innate immune function in a heterogeneous group of cyclists. Subjects included 31 male cyclists (mean±standard deviation, age 38.8±10.6 years, body fat 17.8%±5.6%, VO(2max) 55.8±8.4 mL kg(-1) min(-1)) who ...
Liakos Charalampos I - - 2012
Exercise electrocardiographic hump sign is associated with uncontrolled arterial hypertension (AH), left ventricular (LV) diastolic dysfunction, and false-positive exercise testing (ET). The aim of this prospective study was to evaluate the antihypertensive treatment effect on hump and on pseudoischemic ST-segment depression and potential correlations to LV diastolic function and mass ...
Woollard Jason D - - 2011
Prospective cohort study. To characterize knee cartilage change in individuals with knee osteoarthritis (KOA) who have completed a therapeutic exercise program. While therapeutic exercise is frequently used successfully to improve pain and function in individuals with KOA, no studies have reported the volume of cartilage change or individual factors that ...
Price Edwin R - - 2011
Seasonal adjustments to muscle size in migratory birds may result from preparatory physiological changes or responses to changed workloads. The mechanisms controlling these changes in size are poorly understood. We investigated some potential mediators of flight muscle size (myostatin and insulin-like growth factor, IGF1) in pectoralis muscles of wild wintering ...
Bikov A - - 2011
Exercise-caused metabolic changes can be followed by monitoring exhaled volatiles; however it has not been previously reported if a spectrum of exhaled gases is modified after physical challenge. We have hypothesized that changes in volatile molecules assessed by an electronic nose may be the reason for the alkalization of the ...
Hoffman Martin D - - 2011
PURPOSE: To determine the incidence of exercise-associated hyponatremia (EAH), the associated biochemical measurements and risk factors for EAH, and whether there is an association between post-race blood sodium concentration ([Na+]) and changes in body mass among participants in the 2009 Western States Endurance Run, a 161-km mountain trail run. METHODS: ...
Radley-Crabb Hannah - - 2011
The extent of muscle pathology in sedentary adult mdx mice is very low and treadmill exercise is often used to increase myofibre necrosis; however, the early events in dystrophic muscle and blood in response to treadmill exercise (leading to myofibre necrosis) are unknown. This study describes in detail two standardised ...
Konrad Manuela - - 2011
This study tested the acute anti-inflammatory and immune-modulating influence of a quercetin-based supplement consumed by endurance athletes 15 min before an intense 2-hr run. In this randomized, crossover study, 20 runners (11 men, 9 women, age 38.4 ± 2.1 yr) completed two 2-hr treadmill runs at 70% VO2max (3 wk ...
Cho Nam Soon - - 2011
Tendinopathy (pain and tendon degeneration) is associated with repetitive use and mechanical overload. However, the etiology of tendinopathy remains unclear. Clarification of histologic and molecular changes of tendon to repetitive stress could provide better understanding of Achilles tendon disorders related to repetitive stress. We asked whether repetitive stress simulating overuse ...
Kovelis Demetria - - 2011
The study aimed to compare the responsiveness of three instruments to assess self-reported changes in functional status after exercise training in patients with COPD: Pulmonary Functional Status and Dyspnea Questionnaire -modified version (PFSDQ-M), London Chest Activity of Daily Living (LCADL) and Medical Research Council scale (MRC). Twenty-two patients (11 female, ...
Fleig Lena - - 2011
The primary objective of this study was to unveil the mechanisms by which an exercise self-regulation intervention affects physical exercise in a rehabilitation context. The second aim was to investigate whether the intervention led to changes in fruit and vegetable intake that was not targeted in the intervention. Finally, it ...
Friedenreich Christine M - - 2011
To identify factors that mediate or moderate the effects of exercise on postmenopausal sex hormone concentrations. Postmenopausal women were randomized to 12 months of aerobic exercise for 200 min/week (n = 160) or to a control group (n = 160). Intention-to-treat analyses were performed using general linear models with sex hormone concentrations at 6 and 12 months ...
Van Ginckel A - - 2011
OBJECTIVE: To monitor ankle cartilage 3D volume changes after in vivo exercise and during recovery. METHOD: Based on 3D MRI, 3D volumes of talar and tibial cartilage were calculated before and after 30 bilateral knee bends in 12 healthy volunteers. 3D volumes were calculated at five time points (one pre- and four post-scans) ...
Jay Ollie - - 2011
The independent influence of peak oxygen uptake (VO(2peak)) on changes in thermoregulatory responses during exercise in a neutral climate has not been previously isolated due to complex interactions between VO(2peak), metabolic heat production (H(prod)), body mass and surface area (BSA). It was hypothesized that VO(2peak) does not independently alter changes ...
Fernhall Bo - - 2011
This study examined standard echocardiographic measures of cardiac size and performance in response to a 3-h firefighting training exercise. Forty experienced male personnel completed a standardized 3 h live firefighting exercise. Before and after the firefighting activities, participants were weighed, height, heart rate, blood pressure and blood samples were obtained, and ...
Rüst Christoph Alexander - - 2011
The prevalence of exercise-associated hyponatraemia (EAH) has been investigated in endurance athletes such as runners and Ironman triathletes, but not in ultra-endurance road cyclists. We assessed fluid intake and changes in body mass, urine specific gravity and plasma sodium concentration ([Na(+)]) in 65 ultra-endurance road cyclists in a 720-km ultra-cycling ...
Buchheit M - - 2011
The aim of the present study was to verify the validity of using exercise heart rate (HRex), HR recovery (HRR) and post-exercise HR variability (HRV) during and after a submaximal running test to predict changes in physical performance over an entire competitive season in highly trained young soccer players. Sixty-five ...
Cederberg Henna - - 2011
Objective: Ghrelin, a gut-brain peptide involved in energy homeostasis, circulates predominantly (>90%) in unacylated form. Previous studies, however, have focused on total and acylated (AG) ghrelin, and role of unacylated ghrelin is not well understood. Particularly association of UAG with weight loss and changes in body composition in adults remains ...
Moore Justin B - - 2011
There is an increase in literature suggesting exercise can promote positive changes in physical self-perceptions that can manifest as an increase in global self-esteem. In the present study, we assessed self-esteem using the hierarchical framework of the Exercise and Self-Esteem Model (EXSEM) along with cognitive facets at the subdomain level ...
Lamberts R P - - 2011
Heart rate after a standardized test varies with a change in training status, possibly compromising the accuracy of measuring changes in heart rate recovery (HRR). The aim of this study was to determine if a change in the exercise intensity would result in a change in heart rate recovery and/or ...
Chen Hsin-Lian - - 2011
This study investigated the hypothesis that the protective effect conferred by a low-intensity eccentric exercise against maximal eccentric exercise would not last more than a week. Untrained men (21.3 ± 1.6 years) were allocated into either a control or one of four repeated bout groups (n = 13 per group). The repeated bout groups performed ...
Fortier Michelle S - - 2011
Little longitudinal research exists on the relationship between exercise self-determination and stage of change. This study investigated how self-determined motivation changes in patients with type 2 diabetes (N = 175) as they moved through the stages of change over a six-month exercise trial. Hierarchical linear modelling revealed that patients who ...
Jimenez-Ormeño E - - 2011
We aimed to describe the changes in footprint characteristics after 2 types of resistance training sessions performed at different intensities. 18 young subjects (8 men and 10 women) volunteered for the study. All of them performed 2 different resistance training sessions, one with light loads (LS) and the other with ...
Umeda Takashi - - 2011
The aim of this review is to provide a summary of the known effects of exercise on neutrophil immune functions of athletes. We measured three neutrophil immune functions (i.e., phagocytic activity (PA), reactive oxygen species (ROS) production, and serum opsonic activity (SOA)) in various types of exercise. The following is ...
Amin-Shokravi Farkhondeh - - 2011
Physical inactivity is more prevalent among women than men, varies by ethnic group, and becomes increasingly prevalent with age. The aim of this study was to examine the effects of a 12-week exercise program on the cardiovascular disease risk and fitness of Iranian middle aged women. This was a randomized ...
Cywinska Anna - - 2011
Exercise-induced intravascular haemolysis and "sport anemia" are widely reported in human sports medicine. It has been recognized also in horses, however, the clinical importance and the onset of this condition seem different than in human. In this study we investigated the episodes of intravascular haemolysis, indicated by the increase in ...
Huisinga Jessie M - - 2011
Fatigue, reduced quality of life (QOL), and lower physical activity levels are commonly reported in patients with multiple sclerosis (MS). This study evaluated the effects of elliptical exercise on fatigue and QOL reports in patients with MS. Patients with MS (n = 26) completed the Fatigue Severity Scale (FSS), the ...
Capomaccio S - - 2010
A large proportion of mammalian genomes is represented by transposable elements (TE), most of them being long interspersed nuclear elements 1 (LINE-1 or L1). An increased expression of LINE-1 elements may play an important role in cellular stress-related conditions exerting drastic effects on the mammalian transcriptome. To understand the impact ...
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