Search Results
Results 201 - 250 of 2028
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Muñiz-Pumares D - - 2011
Rhodiola rosea (RR) is an adaptogenic herb suggested to improve exercise and cognitive performance and reduce stress responses. Further, some evidence reports that L-carnitine (LC) can alter metabolism during exercise and improve performance. This study examined the effects of acute ingestion of a commercially available RR beverage (250 mg, 3% ...
Cobley James N - - 2011
Production of reactive oxygen species (ROS) during muscle contractions is associated with muscle 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 ...
do Prado D M L - - 2011
The aim of this study was to provide a comprehensive evaluation of the pattern and timing of breathing during incremental exercise in a sample of women living with systemic lupus erythematosus (SLE). In this cross-sectional study, 20 women with SLE without pulmonary involvement were compared with 20 gender-, body mass ...
Mears S A - - 2011
When exercising in a cold environment, fluid losses can occur via sweat, cold induced diuresis and respiration but failure to replace lost fluid is common in the cold due to a blunted thirst response (Kenefick et al. Med Sci Sports Exerc 2004;36;1528-34). This study assessed voluntary fluid intake and measures ...
Shaharudin S - - 2011
The present study was undertaken to evaluate the anaerobic capacity in repeated sprint cycling bouts during mid-luteal (ML) and mid-follicular (MF) phases of ovarian cycle. Twelve physically active females aged 22.41±1.68 years, with normal regular menstrual cycle and VO2max of 34.92±4.85 mL·kg-1·min-1 volunteered as subjects in this study. The menstrual ...
Pil-Byung C - - 2011
Exercise can improve appetite, inflammatory mediators, lipid profiles, and body composition in overweight or obese patients. However, it has not yet been clearly elucidated how exercise affects healthy people in relation to these variables. Thus, we investigated the effects of an exercise program on appetite-regulating hormones, inflammatory mediators, lipid profiles, ...
Sperlich B - - 2011
The aim of this paper was to investigate the influence of the new cross country racing suit, designed for the Olympic Winter Games in Vancouver 2010, on cardio-respiratory, thermoregulatory and perceptual responses. Six elite cross country skiers (29±6 years, peak oxygen uptake 73.2±6.9 mL·min-1·kg-1) performed two exercise bouts wearing either ...
Roelands B - - 2011
An important aspect of central fatigue is supraspinal fatigue, or fatigue originating from an insufficient output from the motor cortex. One possible underlying mechanism is that this reaction is evoked by changes in brain neurotransmitters such as dopamine (DA) and noradrenaline (NA). In the present study, we looked into the ...
Macedo Luciana Gazzi - - 2011
BackgroundMotor control exercises to improve control and coordination of trunk muscles and graded activity under the principles of cognitive-behavioral therapy are 2 commonly used exercise therapies, yet there is little evidence to support the use of one intervention over the other.ObjectiveThe objective of this study was to compare the effectiveness ...
Ranchordas M K - - 2011
The aim of this study was to evaluate the effect of co-ingesting carbohydrate and caffeine (CHO+CAF) in comparison to carbohydrate (CHO) and placebo (PLA), during a reliable soccer-specific test (Currell et al, 2009). 8 university-standard soccer players ingested a PLA, a 6.4% CHO or 6.4% CHO and 160 mg CAF ...
Ha Tae Hoon - - 2011
Metabolic syndrome (MS) is associated with increased left ventricular (LV) mass and diastolic dysfunction. This study uses relatively load-independent Doppler tissue echocardiography to examine whether MS is associated with decreased longitudinal contractile reserve during dynamic exercise. A total of 112 patients with relatively well-controlled, treated hypertension who complained of exertional ...
Mejia-Downs Anne - - 2011
Purpose: The purpose of this study was to determine the effects of a 6-week interactive video dance game (IVDG) program on adult participants' cardiorespiratory status and body mass index (BMI). Methods: Twenty-seven healthy adult participants attended IVDG sessions over a 6-week period. Participants completed pre- and post-testing consisting of a ...
Diebal Angela R - - 2011
Chronic exertional compartment syndrome (CECS) is a condition that occurs almost exclusively with running whereby exercise increases intramuscular pressure compromising circulation, prohibiting muscular function, and causing pain in the lower leg. Currently, a lack of evidence exists for the effective conservative management of CECS. Altering running mechanics by adopting forefoot ...
Whellan David J - - 2011
This post hoc analysis of the HF-ACTION cohort explores the primary and secondary results of the HF-ACTION study by etiology and severity of illness. HF-ACTION randomized stable outpatients with reduced left ventricular (LV) function and heart failure (HF) symptoms to either supervised exercise training plus usual care or to usual ...
Wohlers Lindsay M - - 2011
Impaired ovarian function alters lipid metabolism, ultimately resulting in increased visceral fat mass. Currently, we have a poor understanding of alterations in signaling events regulating lipolysis after ovarian function declines. The purpose of this study was to determine if cellular mechanisms regulating lipolysis are altered in mice after ovariectomy (OVX) ...
Shah Krupa - - 2011
Weight loss therapy to improve health in obese older adults is controversial because it causes further bone loss. Therefore, it is recommended that weight loss therapy should include an intervention such as exercise training (ET) to minimize bone loss. The purpose of this study was to determine the independent and ...
Walker Dillon K - - 2011
In this review, we discuss recent research in the field of human skeletal muscle protein metabolism characterizing the acute regulation of mammalian target of rapamycin complex (mTORC) 1 signaling and muscle protein synthesis (MPS) by exercise, amino acid nutrition, and aging. Resistance exercise performed in the fasted state stimulates mixed ...
Billinger Sandra A - - 2011
To examine exercise testing response in Alzheimer's disease (AD) and possible disease-related change over time. Retrospective assessment of a 2-year observational study. University medical center. Individuals without dementia (n=50) and with AD (n=31). Not applicable. Participants underwent a clinical dementia evaluation and performed an incremental exercise test using a treadmill ...
Katzel Leslie I - - 2011
Maximal or peak aerobic capacity (VO(2peak)) during a maximal-effort graded exercise test is considered by many to be the "gold standard" outcome for assessing the effect of exercise training on cardiorespiratory fitness. The reliability of this measure in Parkinson disease (PD) has not been established, where the degree of motor ...
Goekint Maaike - - 2012
Hippocampal brain-derived neurotrophic factor (BDNF) protein is increased with exercise in rats. Monoamines seem to play a role in the regulation of BDNF, and monoamine neurotransmission is known to increase with exercise. The purpose of this study was to examine the influence of acute exercise on monoaminergic neurotransmission and BDNF ...
Smith A E - - 2011
This study evaluated the effects of creatine (Cr) loading and sex differences on aerobic running performance. 27 men (mean±SD; age: 22.2±3.1 years, ht: 179.5±8.7 cm, wt: 78.0±9.8 kg) and 28 women (age: 21.2±2.1 years, ht: 166.0±5.8 cm, wt: 63.4±8.9 kg) were randomly assigned to either creatine (Cr, di-creatine citrate; n=27) or a placebo (PL; ...
Amato C - - 2011
Leptin is an adipocytokine mainly expressed by adipose tissue. Secretion of leptin in healthy animals is closely related to fat mass and metabolic activity. The aim of this study was to investigate plasma leptin variations, in relation to nutritional and exercise parameters in adult show horses during a work season. ...
Keese F - - 2011
The study investigated whether resistance and aerobic concurrent exercise (CE) with different intensities influenced postexercise hypotension (PEH). 21 healthy men (20.7±0.7 yr) performed 4 sessions: control [CTL 60 min of rest], and CE1, CE2, and CE3 consisting respectively of 2 sets of 6 exercises at 80% 1RM followed by 30 min of cycle ...
Borgenvik Marcus - - 2012
Resistance exercise and amino acids are two major factors that influence muscle protein turnover. Here, we examined the effects of resistance exercise and branched-chain amino acids (BCAA), individually and in combination, on the expression of anabolic and catabolic genes in human skeletal muscle. Seven subjects performed two sessions of unilateral ...
Brurok B - - 2011
Study design:Cross-sectional single-subject design.Objectives:To determine whether leg vascular occlusion (LEVO) augment arm cycling (ACE) peak oxygen uptake in spinal cord-injured individuals.Setting:University Hospital, Norway.Methods:Fifteen individuals with C(4) to T(12) spinal cord injury (SCI) were recruited and divided into two groups: injury above (SCI-high, n=8) or below (SCI-low, n=7) the T(6) level. ...
Mukaimoto Takahiro - - 2011
Abstract The purpose of this study was to examine oxygen consumption ([Vdot]O(2)) during and after a single bout of low-intensity resistance exercise with slow movement. Eleven healthy men performed the following three types of circuit resistance exercise on separate days: (1) low-intensity resistance exercise with slow movement: 50% of one-repetition ...
Holmgren Theresa - - 2011
Objective: To evaluate and compare the efficacy of 2 rehabilitation strategies after arthroscopic acromioplasty: supervised physical therapy focusing on strengthening exercises of the rotator cuff and scapula stabilizers (PT-group) vs home-based movement exercises (H-group). Design: A randomized, single-blinded, clinically controlled study. Patients: Thirty-six patients entered the study. Thirteen in the ...
Baumann Cory W - - 2011
PURPOSE: The purpose of this study was to examine the relationship between anaerobic characteristics and 5-km race performance in trained female cross-country runners (n=13). METHODS: The runners performed 50-m sprints and a 5-km time trial on an outdoor 400-m track, and maximal anaerobic (MART) and aerobic running tests on a ...
Morio Cédric - - 2011
This study investigated the acute and 2 days delayed influences of exhaustive stretch-shortening cycle exercise (SSC) on barefoot walking and running gait patterns. The SSC exercise was performed on a sledge apparatus, on which the subjects (N = 10) repeated until exhaustion intermittent series of 25 bilateral submaximal rebounds. Maximal drop-jumps and submaximal ...
Lee C Matthew - - 2011
The purpose of this investigation was to examine the relationships between aerobic fitness, volume of physical activity (PA), heart rate variability (HRV), and heart rate recovery (HRR) in a group of well-trained endurance athletes. Nineteen endurance athletes participated in this study and had aerobic capacities that placed them above the ...
Nelson Arnold G - - 2011
Studies into the relationship between acute stretching and maintenance of postural balance have been inconclusive. It was hypothesized that familiarization with the task and subsequent learning might be involved in the conflicting results. Therefore this study was to designed determine if a regimen of static stretching exercises following a familiarization ...
Willardson Jeffrey M - - 2011
The purpose of this study was to compare four different loading schemes for the free weight bench press, wide grip front lat pulldown, and free weight back squat to determine the extent of progressive load reductions necessary to maintain repetition performance. Thirty-two recreationally trained women (age = 29.34 ± 4.58 ...
Syu Guan-Da - - 2011
Exercise effects on immunity are highly dependent on exercise intensity, duration and frequency. PURPOSE: Since neutrophils play an essential role in innate immunity, we investigated whether acute severe exercise (ASE) and chronic moderate exercise (CME) differentially regulate human neutrophil functions. METHODS: Thirteen sedentary young males underwent an initial ASE (pedaling ...
van Dijk J-W - - 2012
The present study compares the impact of endurance- vs resistance-type exercise on subsequent 24 h blood glucose homeostasis in individuals with impaired glucose tolerance (IGT) and type 2 diabetes. Fifteen individuals with IGT, 15 type 2 diabetic patients treated with exogenous insulin (INS), and 15 type 2 diabetic patients treated ...
Macgillivray L - - 2011
We have previously reported that inhibition of the serotonin transporter (SERT) by selective serotonin reuptake inhibitor (SSRI) fluoxetine significantly reduces the number of tryptophan hydroxylase (TPH)-positive cells in the dorsal raphe nucleus. We have been interested in exploring whether this SSRI-induced change in TPH might be modified by housing in ...
Brandes Mirko - - 2011
Brandes, M, Heitmann, A, and Müller, L. Physical responses of different small-sided game formats in elite youth soccer players. J Strength Cond Res XX(X): 000-000, 2011-A major use of small-sided games (SSGs) in soccer training is the concomitant development of game-specific aerobic fitness. We hypothesize that the SSG formats of ...
Sinha Amit Kumar - - 2011
This study aimed to elucidate the physiological effects of high environmental ammonia (HEA) following periods of feeding (2% body weight) and starvation (unfed for 7 days prior to sampling) in gold fish (Carassius auratus). Both groups of fish were exposed to HEA (1mg/L; Flemish water quality guideline) for 0h (control), ...
Arikawa Andrea Y - - 2012
The purpose of this report is to identify factors associated with attrition and adherence of young women to a 16-week randomized aerobic exercise intervention on biomarkers associated with breast cancer risk. The exercise group was prescribed a progressive weight-bearing aerobic exercise program consisting of 30 minute workouts, 5 times/wk for ...
Clark Camillia G - - 2011
BACKGROUND: Low physical activity (PA) is increasingly recognized as a risk factor for children with chronic conditions. A few published studies have measured the exercise capacity of solid organ transplant patients; however, no studies have examined the PA intensity of pediatric kidney transplant patients (PTx) using accelerometry. Therefore, our objective ...
Buitrago S - - 2011
The aim of the study was to examine the effects of three different loads (LOAD) in combination with four different exercise modes (MODE) on physiological responses during and after one fatiguing bout of bench press exercise. Ten resistance-trained healthy male subjects performed bench press exercise each at 55% (LOW), 70% ...
Guzun Rita - - 2011
Aim:  To study the effects of physical training at mild intensities on skeletal muscle energy metabolism in 8 patients with Chronic Obstructive Pulmonary Disease (COPD) and 8 paired healthy sedentary subjects. Methods:  Energy metabolism of patients and controls vastus lateralis muscle was studied before and after three months of cycling training at mild exercises intensities. Results:  The total ...
Danchin Nicolas - - 2011
Aims: To compare the antianginal efficacy of trimetazidine with that of other agents with no influence on heart rate. Methods and Results: Medline and Embase databases were searched for blinded, randomized, controlled trials assessing the effects of non-heart-rate-lowering antianginal treatments on exercise tolerance and/or clinical criteria in stable angina patients. ...
Varela Silvia - - 2011
OBJECTIVE: To evaluate the effect of different intensities of aerobic exercise on elderly people with mild cognitive impairment. DESIGN: A randomized trial. SETTING: Residential care homes for elderly people. SUBJECTS: Forty-eight patients were included in the study. INTERVENTIONS: The patients were randomized in three groups. Group A performed aerobic exercise ...
Baillet Athan - - 2011
Objective. To evaluate the efficacy of resistance exercises in RA patients.Methods. A systematic literature search was done using Pubmed, Embase and Cochrane databases through November 2009 and in abstracts presented at rheumatology scientific meetings over the past 3 years. Randomized controlled trials (RCTs) comparing resistance exercise based therapy with interventions ...
Yoshitake Y - - 2011
The present study examined whether the degree to which muscle strength is improved by a body mass-based home exercise program in middle-aged and older women depends on the force-generating capabilities of the muscles prior to the intervention. 75 women (53-76 years) voluntarily participated in a circuit training program consisting of ...
Jammes Yves - - 2011
Objectives:  A history of high-level physical activity and/or acute infection might constitute stress factors affecting the plasma oxidant-antioxidant status and levels of heat shock proteins (HSPs) in patients with chronic fatigue syndrome (CFS). Design:  This case-control study compared data from 43 CFS patients to results from a matched control group ...
Duncan Michael J - - 2011
The efficacy of caffeine ingestion in enhancing aerobic performance is well established. The evidence for caffeine's effects on resistance exercise is mixed and has not fully examined the associated psychological and psychophysiological changes. This study examined acute effects of ingesting a caffeine-containing energy drink on repetitions to failure, rating of ...
Slivka D R - - 2011
The purpose of this research was to determine the mRNA response to exercise in different environmental temperatures. 9 recreationally active males (27±1 years, 77.4±2.7 kg, 13.5±1.5% fat, 4.49±0.15 L · min - 1 VO2 max) completed 3 trials consisting of 1 h cycling exercise at 60% Wmax followed by a 3 h recovery in the cold (7°C), room ...
Balaguera-Cortes Liliana - - 2011
Previous research has shown that resistance and aerobic exercise have differing effects on perceived hunger and circulating levels of appetite-related hormones. However, the effect of resistance and aerobic exercise on actual energy intake has never been compared. This study investigated the effect of an acute bout of resistance exercise, compared ...
Hody S - - 2011
Unaccustomed eccentric exercise may cause skeletal muscle damage with an increase in plasma creatine kinase (CK) activity. Although the wide variability among individuals in CK response to standardized lengthening contractions has been well described, the reasons underlying this phenomenon have not yet been understood. Therefore, this study investigated a possible ...
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