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Results 401 - 450 of 2028
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Díaz-Castro Javier - - 2011
BACKGROUND: Exhausting exercise induces muscle damage associated with high production of free radicals and pro-inflammatory mediators. AIM: The objective of this study was to determine for the first time and simultaneously whether oral coenzyme Q(10) (CoQ(10)) supplementation can prevent over-expression of inflammatory mediators and oxidative stress associated with strenuous exercise. ...
Rodríguez-Marroyo Jose A - - 2011
The aim of this study was to analyze the competition load using the session Rating of Perceived Exertion (RPE) during different professional cycling races and to assess its validity using the competition load based on heart rate (HR). During two consecutive seasons, twelve professional cyclists (mean ±SEM: age 25 ± ...
Mason Rachael R - - 2011
Purpose: To examine whether an 8-week period of side-alternating whole-body vibration (WBV) exercise is an acceptable and effective exercise intervention to improve and maintain functional performance in multiple sclerosis people. Methods: A total of 15 participants with MS (11 women [mean age 50.2 ± 6.9 years; body mass 65.7 ± ...
Bullock Nathan - - 2011
Bullock, N and Comfort, P. An investigation into the acute effects of depth jumps on maximal strength performance. J Strength Cond Res 25(11): 3137-3141, 2011-Research has demonstrated that high-load low-velocity (HLLV) exercises (≥85% 1 repetition maximum [1RM]) increase performance in subsequent low-load high-velocity (LLHV) exercises, when separated by a rest ...
Bolton Karen L - - 2011
Objectives and design: This randomised, single-blind controlled trial aimed to determine the efficacy of an exercise program for post-menopausal women with osteopenia undertaken in community exercise facilities. Methods: Thirty-nine community volunteers with hip osteopenia and not taking bone-enhancing medication were randomly allocated to an exercise (EX) or control (CON) group. ...
Kopp Martin - - 2011
AIM: To investigate the effects of an acute exercise bout on affect and psychological well-being in individuals with type 2 diabetes. METHOD: Sixteen patients (mean BMI 28.6kg/m(2)) took part, on separate days, in two randomly ordered conditions, in a within-subject design: a 20min semi-self-paced brisk walk or passive control (sitting ...
Brito Aline F - - 2011
Brito, AF, Alves, NFB, Araújo, AS, Gonçalves, MCR, and Silva, AS. Active intervals between sets of resistance exercises potentiate the magnitude of postexercise hypotension in elderly hypertensive women. J Strength Cond Res 25(11): 3129-3136, 2011-Active and passive intervals (AI, PI) between exercise series promote different hemodynamic responses; however, the impact ...
Pacheco Laura - - 2011
Pacheco, L, Balius, R, Aliste, L, Pujol, M, and Pedret, C. The acute effects of different stretching exercises on jump performance. J Strength Cond Res 25(11): 2991-2998, 2011-The purpose of this study was to demonstrate the short-term effects of different stretching exercises during the warm-up period on the lower limbs. ...
Brown Gemma L - - 2011
Direct observation(s) of energy intake (EI) via buffet meals served in the laboratory are often carried out within short-term exercise intervention studies. The reproducibility of values obtained has not been assessed either under resting control conditions or post-exercise, in overweight and obese females. A total of fourteen sedentary, pre-menopausal females ...
Senna Gilmar - - 2011
Senna, G, Willardson, JM, de Salles, BF, Scudese, E, Carneiro, F, Palma, A, and Simão, R. The effect of rest interval length on multi and single-joint exercise performance and perceived exertion. J Strength Cond Res 25(11): 3157-3162, 2011-The purpose of this study was to compare repetition performance and rating of ...
Tiedemann Anne - - 2012
Aim. To investigate predictors of adherence to group-based exercise and physical activity participation among stroke survivors. Methods. 76 stroke survivors participated (mean age 66.7 years). Adherence was the percentage of classes attended over one year. Physical activity was the average pedometer steps/day measured over seven days at the end of ...
Moran L J - - 2011
Polycystic ovary syndrome (PCOS) is a common condition in women associated with menstrual irregularity and anovulation. While obesity worsens and weight loss or exercise improves reproduction function in PCOS, the mechanism for this is unclear. The aim of this study was to examine the effect of exercise on ovarian hormones ...
Michael Darren J - - 2012
Fatigue changed the composition of the small-molecular weight (sMW) proteome of saliva during a 10h session of moderate (70% of maximum ventilatory threshold) physical exertion. Saliva samples were collected from nine recreationally trained cyclists participating in a cross-over study designed to simulate prolonged manual labor, a military operation or wildfire-suppression ...
Sadja Julie J San Diego State University & University of California, San Diego, CA, USA. - - 2012
To investigate predictors of exercise adherence to a 12-week exercise intervention for sedentary women and men with elevated blood pressure (BP). Fifty-one otherwise healthy and unmedicated adults (27 women and 24 men) with elevated BP (≥120/80 mmHg but <179/109 mmHg) participated in a 12-week exercise intervention involving cardiovascular and strength ...
Hasani-Ranjbar Shirin - - 2011
To investigate the effect of heavy resistance exercise on IGF-1 system, 19 healthy trained men and 15 healthy untrained men volunteered to participate in this study. The subjects were randomly divided into experimental and control groups. Subjects of experimental groups were forced to perform a heavy resistance exercise with the ...
Vella Chantal A - - 2011
Aim:  The effects of obesity on cardiac function during incremental exercise to peak oxygen consumption (VO(2) peak) have not been previously described. The purpose of this study was to compare submaximal and maximal cardiac function during exercise in normal-weight and obese adults. Methods:  Normal weight (n=20; means ± SE: age ...
Loenneke Jeremy P - - 2012
The American College of Sports Medicine recommends lifting a weight of at least 70% of one's concentric one repetition maximum to achieve muscular hypertrophy as it is believed that anything below this intensity does not produce significant muscle growth. Recent studies have found muscle hypertrophy to occur with low-intensity 'aerobic-like' ...
de Lima Cristiano - - 2011
Although the available evidence suggests that exercise may positively affect epilepsy, whether this effect is applicable to different types of epilepsy has not been established. Physiological responses during rest, acute physical effort, and a recovery period were studied by concomitant analysis of cerebral electric activity using EEGs in subjects with ...
Obregón Ana M - - 2011
Mice genetically deficient in the melanocortin-3 receptor gene are characterized by normal body weight, increased body fat, mild hypophagia, reduced locomotor activity, and increased respiratory quotient compared with wild-type mice. In humans, the 6Lys-81Ile haplotype of melanocortin-3 receptor (MC3R) gene has been associated with childhood obesity, higher body fat percentage, ...
Friedenreich Christine - - 2011
Chronic low-grade inflammation is a possible risk factor for cancer that may be modifiable with long-term exercise. Very few randomized controlled trials (RCT) have studied the isolated effects of exercise on low-grade inflammation exclusively in postmenopausal women. The Alberta Physical Activity and Breast Cancer Prevention (ALPHA) Trial, a two-armed RCT ...
Bonitch-Góngora Juan G - - 2011
Judo is a combat sport in which the athlete attempts to hold and control their adversary through gripping techniques (kumi-kata) to apply opportune throwing techniques (nage-waza). Twelve male judo athletes, representing national teams, were recruited to investigate changes in the maximal isometric strength in both hands before (pre-) and after ...
Hale Leigh A - - 2011
Hale LA, Waters D, Herbison P. A randomized controlled trial to investigate the effects of water-based exercise to improve falls risk and physical function in older adults with lower-extremity osteoarthritis. OBJECTIVE: To investigate the efficacy of a water-based exercise program specifically targeting balance to reduce falls risk and improve measures ...
Manetos Christos - - 2011
BACKGROUND: Several skeletal muscle abnormalities have been identified in patients with chronic heart failure (CHF), including endothelial dysfunction. We hypothesized that skeletal muscle microcirculation, assessed by near-infrared spectroscopy (NIRS), is impaired in CHF patients and is associated with disease severity. METHODS: Eighty-three stable patients with mild-moderate CHF (72 males, mean ...
Beelen Milou - - 2011
BACKGROUND:: Both protein and caffeine co-ingestion with carbohydrate (CHO) have been suggested to represent effective dietary strategies to further accelerate post-exercise muscle glycogen synthesis in athletes. PURPOSE:: To assess the impact of protein or caffeine co-ingestion on post-exercise muscle glycogen synthesis rates when optimal amounts of carbohydrate are ingested. METHODS:: ...
Cechetti Fernanda - - 2011
Physical activity impacts functional recovery following stroke in humans, however its effects in experimental animals submitted to chronic cerebral hypoperfusion have not been investigated. The aim of this study was to evaluate the therapeutic potential of exercise, as assessed by cognitive activity in the Morris water maze and the brain ...
Rupp Kimberly A - - 2011
This randomized, controlled laboratory study was designed to examine the effect of cold water immersion (CWI) as a recovery modality on repeat performance on the Yo-Yo Intermittent Recovery Test (YIRT), a widely accepted tool for evaluation of physical performance in soccer, separated by 48 h. Twenty-two healthy division I collegiate ...
Alves José Vilaça - - 2011
Concurrent training is a strategy employed in both general fitness and sports conditioning. The purpose of this study was to compare the responses of VO2 in different combinations of strength exercise with aerobic interval exercise. Eight men (23.6 ± 4.2 years; 178 ± 6.3 cm; 77 ± 7.9 kg; 7.67 ...
Martins Rand Randall - - 2011
The generation of reactive oxygen species resulting from physical activity may trigger adaptive processes at the reproductive level and in the antioxidant defense system itself. The objective of this study was to investigate the effects of moderate daily swimming and lipoic acid (LA) supplementation on estrous cycle duration and pro-oxident ...
Latham Lesley - - 2011
BACKGROUND: Psoriasis has a profound negative effect on quality of life that is often underappreciated by health care professionals and the public. OBJECTIVE: We sought to assess the perception of the burden of psoriasis relative to other medical conditions in first-year medical students, and to determine if wearing a temporary ...
Ferreira Ana F B - - 2011
Exercise is known to improve cognitive functions and to induce neuroprotection. In this study we used a short-term, moderate intensity treadmill exercise protocol to investigate the effects of exercise on usual markers of hippocampal synaptic and structural plasticity, such as synapsin I (SYN), synaptophysin (SYP), neurofilaments (NF), microtubule-associated protein 2 ...
Yang Xiao Jing - - 2011
BackgroundPrevious research has mainly targeted older people with high risk of falling. The effectiveness of exercise interventions in older people with mild levels of balance dysfunction remains unexplored.ObjectiveThis study evaluated the effectiveness of a home balance and strength exercise intervention in older people systematically screened as having mild balance dysfunction.DesignThis ...
Bauman Adrian - - 2012
To explore whether the reported increase in bicycle sales in Australia is corroborated by increases in numbers of cyclists. Australian representative data on cycling from annual Exercise, Recreation and Sport Surveys (ERASS) from 2001 to 2008 were used. Based on the weighted proportion of cyclists and 'regular cyclists' each year, ...
Stockton Kellie Anne - - 2011
The ongoing hypermetabolic response associated with burn injury contributes significantly to loss of function, morbidity, and mortality. Exercise is strongly recommended to assist recovery and overall functional outcome. To date, there have been limited studies investigating the validity and practicality of both maximal laboratory and field tests in adult burns ...
Hyttel-Sorensen Simon - - 2011
We compared absolute values of regional tissue hemoglobin saturation (StO(2)), reproducibility, and dynamic range of four different instruments on the forearm of adults. The sensors were repositioned 10 times on each subject. Dynamic range was estimated by exercise with subsequent arterial occlusion. Mean StO(2) was 70.1% ± 6.7 with INVOS ...
de Bisschop Claire - - 2012
Lung diffusing capacity has been reported variably in high-altitude newcomers and may be in relation to different pulmonary vascular resistance (PVR). Twenty-two healthy volunteers were investigated at sea level and at 5,050 m before and after random double-blind intake of the endothelin A receptor blocker sitaxsentan (100 mg/day) vs. a ...
Reiff Christopher - - 2011
BACKGROUND: Traditional desks require students to sit; however, recently schools have provided students with non-traditional standing desks. The purpose of this study was to investigate differences in caloric expenditure of young adults while sitting at a standard classroom desk and standing at a non-traditional standing classroom desk. METHODS: Twenty (10 ...
Souer J Sebastiaan - - 2011
The effect of formal occupational therapy on recovery after open reduction and volar plate fixation of a fracture of the distal part of the radius is uncertain. We hypothesized that there would be no difference in wrist function and arm-specific disability six months after open reduction and volar plate fixation ...
Wilkie Sabrina S - - 2011
Aging related changes in pulmonary function may make older women (OW) more susceptible to expiratory flow limitation (EFL) and lead to higher dyspnoea ratings during exercise relative to young women (YW). Accordingly, the purpose of this study was to compare sensory responses and EFL susceptibility and magnitude in 8 YW ...
Phillips Lawrence - - 2011
BACKGROUND: Exercise treadmill stress myocardial perfusion imaging (MPI) with single photon emission computed tomography is commonly used to evaluate the extent and severity of inducible ischemia as well as to risk stratify patients with suspected and known coronary artery disease (CAD). Failure to reach adequate stress, defined as not attaining ...
Williams Johanna E A - - 2011
BACKGROUND: The BODE index has been shown to predict mortality in COPD. The index includes the 6 min walking test as the measure of exercise capacity. The incremental shuttle walking test (ISWT) is an alternative measure of exercise capacity which can be used to prescribe exercise and has been found to ...
Kipp Kristof - - 2011
The purpose of this study was to identify multi-joint lower extremity kinematic and kinetic synergies in weightlifting and compare these synergies between joints and across different external loads. Subjects completed sets of the clean exercise at loads equal to 65, 75, and 85% of their estimated 1-RM. Functional Data Analysis ...
Lott M J E - - 2011
This study assessed fluid balance, sodium losses, and effort intensity during indoor tennis matchplay (17 ± 2°C, 42 ± 9% RH) over a mean match duration of 68.1 ± 12.8 min in 16 male tennis players. Ad libitum fluid intake was recorded throughout the match, sweat loss from change in ...
Parker Beth A BA Henry Low Heart Center, Department of Cardiology, Hartford Hospital, Hartford, CT 06102, USA. - - 2011
We sought to examine the effect of atorvastatin therapy on exercise leg blood flow in healthy middle-aged and older-men and women. The vasodilatory response to exercise decreases in humans with aging and disease and this reduction may contribute to reduced exercise capacity. We used a double-blind, randomly assigned, placebo-controlled protocol ...
Earnest Conrad P - - 2012
Our group has shown a positive dose-response in maximal cardiorespiratory exercise capacity (VO(2max)) and heart rate variability (HRV) to 6 months of exercise training but no improvement in VO(2max) for women ≥60 years. Here, we examine the HRV response to exercise training in postmenopausal women younger and older than 60 ...
Bottas Reijo - - 2011
The aim was to examine the acute and delayed effects of exercise-induced muscle damage and soreness on elbow target movements (TM) performance and control. Ten males performed an exercise of 50 maximal eccentric elbow actions. TMs were performed at three movement ranges. Maximal forces, active stretch reflex and TM were ...
Foroncewicz B - - 2011
Measurement of exercise capacity is an integral element to assess patients after surgery. Although the 6-minute walk test (6MWT) provides information regarding functional capacity, response to therapy, and prognosis across a range of conditions, its applicability for liver transplant recipients remains to be established. The aim of our study was ...
Toste Alexandra - - 2011
A growing body of evidence shows the prognostic value of oxygen uptake efficiency slope (OUES), a cardiopulmonary exercise test (CPET) parameter derived from the logarithmic relationship between O(2) consumption (VO(2)) and minute ventilation (VE) in patients with chronic heart failure (CHF). To evaluate the prognostic value of a new CPET ...
Alghannam Abdullah F - - 2011
The majority of football players succumb to fatigue towards the end of the game. This study was designed to examine the influence of protein coingestion with carbohydrate (CHO) vs. an isocaloric CHO supplement on subsequent running capacity towards the end of a simulated football match. Six male amateur football players ...
Greenlees Iain A - - 2011
Nelson (2002) proposed that ageism occurs as a result of the negative perceptions individuals have of older adults. This study examined whether information about an older person's exercise habits would influence such perceptions. Participants (N = 1,230) from 3 age categories (16-25, 26-55, and 56+ yr) read a description of ...
Nickel T - - 2011
OBJECTIVE: Stress and heart failure are associated with increased systemic levels of chromogranin A (CGA). Here we analyzed the effects of marathon running on systemic CGA levels and the association with cardiac burden and stress. METHODS: We recruited 47 lean and obese runners for a 10week training program aiming at ...
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