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Versey Nathan G - - 2011
PURPOSE: To investigate whether contrast water therapy (CWT) assists acute recovery from high-intensity running and whether a dose-response relationship exists. METHODS: Ten trained male runners completed four trials, each commencing with a 3000 m time-trial, followed by 8×400 m intervals with 1 min recovery. Ten minutes post-exercise, participants performed one ...
Renfree Andrew - - 2011
PURPOSE: This study examined the determinants of pacing strategy and performance during self paced maximal exercise. METHODS: Eight well trained cyclists completed two 20 km time trials. Power output, RPE, positive and negative affect, and iEMG activity of the active musculature were recorded every 0.5km, confidence in achieving pre-exercise goals ...
Turki Olfa - - 2011
Turki, O, Chaouachi, A, Behm, DG, Chtara, H, Chtara, M, Bishop, D, Chamari, K, and Amri, M. The effect of warm-ups incorporating different volumes of dynamic stretching on 10- and 20-m sprint performance in highly trained male athletes. J Strength Cond Res 26(1): 63-72, 2012-Recently, athletes have transitioned from traditional ...
Kawano Hiroshi - - 2011
Abstract The present study elucidated the effects of habitual rowing exercise on arterial stiffness and plasma levels of the vasoconstrictor endothelin-1 and the vasodilator nitric oxide (NO) in older men. Eleven rowers (68.0 ± 1.6 years) and 11 sedentary control older men (64.9 ± 1.1 years) were studied. Peak oxygen uptake (36.0 ± 1.7 vs. 27.7 ±1.9 ml · kg(-1) · min(-1)), ...
Wezenberg Daphne - - 2011
BackgroundInformation concerning exercise tolerance and aerobic capacity is imperative for generating effective and safe exercise programs. However, for older people with a lower-limb amputation, a standard exercise test is not available.ObjectiveThe primary aim of the present study was to determine whether a graded 1-legged peak exercise test is feasible and ...
Wang H - - 2011
Countermeasures are desirable to retard bone loss during long-term space flight. We evaluated the effect of an intervention protocol on bed rest-induced bone loss. INTRODUCTION: We developed a resistive vibration exercise (RVE) platform to test if an intervention RVE protocol would be effective to protect bed rest-induced bone loss. METHODS: ...
Balshaw Thomas G - - 2011
The aim of the study was to evaluate maximal isometric (dynamometer based {MVC-NORM} and isometric squat {MIS-NORM}) and sub-maximal EMG normalisation methods (60%-NORM, 70%-NORM, 80%-NORM) for dynamic back squat exercise (DSQ-EX). The absolute reliability (limits of agreement {LOA}, coefficient of variation {CV%}), relative reliability (intra-class correlation coefficient {ICC}) and sensitivity ...
Hilbert M - - 2012
Acidification has been reported to provide protective effects on force production in vitro. Thus, in this study, we tested if respiratory acid-base changes influence muscle function and excitability in vivo. Nine subjects performed strenuous, intermittent hand grip exercises (10 cycles of 15 s of work/45 s of rest) under respiratory ...
Reed Michael E - - 2011
Reed, ME, Ben-Ezra, V, Biggerstaff, KD, and Nichols, DL. The effects of two bouts of high- and low-volume resistance exercise on glucose tolerance in normoglycemic women. J Strength Cond Res 26(1): 251-260, 2012-The purpose of the study was to determine the efficacy of a low-volume, moderate-intensity bout of resistance exercise ...
Meis Jessie J M - - 2012
The present study explored which underlying motivations induced people to participate in a television exercise program called "The Netherlands on the Move!-television" (NOM-tv). A cross-sectional study was carried out among 1,349 viewers of NOM-tv. The respondents completed the intrinsic motivation inventory (IMI), assessing their levels of intrinsic motivation towards participating ...
Machado Marco - - 2011
The current study examined CK activity following resistance exercise sessions in subjects classified as high (HiR), medium (MeR), or low responders (LoR). Two resistance exercise sessions were performed that each involved four sets of the biceps curl at 85% of a 1-RM and either 1 minute or 3 minute rest ...
Marín Pedro J - - 2011
Marín, PJ, Herrero, AJ, García-López, D, Rhea, MR, López-Chicharro, J, González-Gallego, J, and Garatachea, N. Acute effects of whole-body vibration on neuromuscular responses in older individuals: implications for prescription of vibratory stimulation. J Strength Cond Res 26(1): 232-239, 2012-The aim of this study was to analyze surface electromyography activity (sEMG) ...
Mohamad Nur I - - 2011
Mohamad, NI, Cronin, JB, and Nosaka, KK. The effect of aerobic exercise during the interset rest periods on kinematics, kinetics and lactate clearance of two resistance loading schemes. J Strength Cond Res 26(1): 73-79, 2012-It may be possible to enhance set and session kinematics and kinetics by engaging in low-intensity ...
Mohamad Nur Ikhwan - - 2011
Mohamad, NI, Cronin, JB, and Nosaka, KK. Difference in kinematics and kinetics between high- and low-velocity resistance loading equated by volume: implications for hypertrophy training. J Strength Cond Res 26(1): 269-275, 2011-Although it is generally accepted that a high load is necessary for muscle hypertrophy, it is possible that a ...
Ju Yong-In - - 2012
High-impact exercise is considered to be very beneficial for bones. We investigated the ability of jump exercise to restore bone mass and structure after the deterioration induced by tail suspension in growing rats and made comparisons with treadmill running exercise. Five-week-old male Wistar rats (n = 28) were randomly assigned ...
de Souza Andréia Silveira - - 2011
de Souza, AS, Pinto, SS, Kanitz, AC, Rodrigues, BM, Alberton, CL, da Silva, EM, and Kruel, LFM. Physiological comparisons between aquatic resistance training protocols with and without equipment. J Stength Cond Res 26(1): 276-283, 2012-The purpose of the present study was to compare the physiological responses of oxygen uptake (&OV0312;O2) ...
Suarez-Arrones Luis J - - 2011
The purpose of the present study wasto examine match running performance and exercise intensity in a Rugby Sevens (7s) teamduring competitive club level matches.Time motion analyses (global position system) were performed on 7 male rugby players during 5 competitive matches in a 2-day tournament.Players covered an average distance of 1580.8±146.3 ...
Sharir Tali - - 2011
High-frequency mid-QRS (HFQRS) analysis was recently introduced as a tool for identification of stress-induced ischemia. The diagnostic performance of this electrocardiographic technique has not been determined in a large cohort of patients. This study compared the diagnostic performance of HFQRS analysis to conventional ST-segment analysis in detecting exercise-induced ischemia. The ...
Linkosalo Laura - - 2011
To cite this article: Linkosalo L, Lehtimäki L, Holm K, Kaila M, Moilanen E. Relation of bronchial and alveolar nitric oxide to exercise-induced bronchoconstriction in atopic children and adolescents. Pediatr Allergy Immunol 2011; Doi: 10.1111/j.1399-3038.2011.01223.x ABSTRACT: Background and objective:  Exercise challenge test is widely used in diagnostics and follow-up of ...
Aarskog Reidar - - 2011
Purpose. The purpose of the study is to compare the effect in healthy young adults of two resistance training protocols, six-repetition maximum (RM) versus 12RM on maximum strength (1RM). Method. A single-blind, randomized controlled trial was used in the study. Sixty-two healthy physical therapy students, with age (mean [+standard deviation]) ...
Hsiao Wayland - - 2011
Introduction.  Studies have shown an association between erectile dysfunction and sedentary lifestyle in middle-aged men, with a direct correlation between increased physical activity and improved erectile function. Whether or not this relationship is present in young, healthy men has yet to be demonstrated. Aim.  The aim of this study was ...
La Gerche André - - 2011
AimsEndurance training may be associated with arrhythmogenic cardiac remodelling of the right ventricle (RV). We examined whether myocardial dysfunction following intense endurance exercise affects the RV more than the left ventricle (LV) and whether cumulative exposure to endurance competition influences cardiac remodelling (including fibrosis) in well-trained athletes.Methods and resultsForty athletes ...
Martin Luci A - - 2011
BACKGROUND: Although cardiovascular disease (CVD) does not occur until mid to late life for most adults, the presence of risk factors, such as high blood pressure (BP) and cholesterol, has increased dramatically in young adults. PURPOSE: The present study examined the relationships between gender and coping strategies, lifestyle behaviors, and ...
Benito P J - - 2011
The use of the SenseWear™ armband (SWA), an objective monitor of physical activity, is a relatively new device used by researchers to measure energy expenditure. These monitors are practical, relatively inexpensive and easy-to-use. The aim of the present study was to assess the validity of SWAs for the measurement of ...
Conraads Viviane M - - 2011
AIMS: We hypothesized that nebivolol, a beta-blocker with nitric oxide-releasing properties, could favourably affect exercise capacity in patients with heart failure and preserved left ventricular ejection fraction (HFPEF). METHODS AND RESULTS: A total of 116 subjects with HFPEF, in New York Heart Association (NYHA) functional class II-III, with left ventricular ...
Kim Hun Kyung - - 2012
To evaluate the effectiveness of exercise and amino acid supplementation in enhancing muscle mass and strength in community-dwelling elderly sarcopenic women. Randomized controlled trial. Urban community in Tokyo, Japan. One hundred fifty-five women aged 75 and older were defined as sarcopenic and randomly assigned to one of four groups: exercise ...
Arab Ameri Elahe - - 2011
In this study we investigate the effects of weight bearing exercise and calcium intake on bone mineral density (BMD) of students with attention deficit and hyper activity (ADHD) disorder. For this reason 54 male students with ADHD (age 8-12 years old) were assigned to four groups with no differences in ...
Grimaldi Antonio - - 2011
AIMS: Mitral stenosis (MS) may exhibit a dynamic valvular reserve. When resting gradients and systolic pulmonary pressure (sPAP) do not reflect the real severity of the disease, a dynamic evaluation becomes necessary. The aim of the study was to assess the clinical utility of exercise echocardiography in symptomatic patients with ...
Thomas Gwendolyn A - - 2011
Resistance exercise (RE) is increasingly recommended by health organizations as a weight management tool. The purpose of this study was to examine the effects of an acute high-volume, whole-body RE protocol on the glucoregulatory and ghrelin response in sedentary obese and lean men. Five World Health Organization (WHO) class 1 ...
Skein Melissa - - 2011
The aim of this study was to determine the effects of carbohydrate (CHO) ingestion and muscle glycogen content, without the influence of knowledge of CHO consumption, on intermittent-sprint performance. Ten males completed two conditions on two consecutive days. Day 1 involved 2 × 40 min of leg cycling separated by 15 min of arm ...
Peteiro Jesús - - 2012
Supine bicycle exercise (SBE) echocardiography and treadmill exercise (TME) echocardiography have been used for evaluation of coronary artery disease (CAD). Although peak imaging acquisition has been considered unfeasible with TME, higher sensitivity for the detection of CAD has been recently found with this method compared with post-TME echocardiography. However, peak ...
Cornier Marc-Andre MA Division of Endocrinology, Metabolism, and Diabetes, Department of Medicine, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO 80045, USA. - - 2012
Increased physical activity is associated with successful long-term weight loss maintenance due to mechanisms likely more complex than simply increased energy expenditure. The impact of physical activity on the central regulation of food intake may be an important mechanism of this effect. The objective of this study was to examine ...
Vasseljen Ottar - - 2011
ABSTRACT: Study Design. Randomized controlled trial.Objective. To investigate feedforward activation or timing of abdominal muscle activation in response to rapid shoulder flexion after 8 weeks with core stability exercises, sling exercises, or general exercises in patients with chronic nonspecific low back pain (LBP).Summary of Background Data. Delayed onset in abdominal ...
Menaspà Paolo - - 2011
PURPOSE: To describe the physical fitness of a top-level lower limb amputee (LLA) cyclist, and the para-cycling time-trial races demands. METHODS: The 40-yr-old male unilateral transfemoral amputee time-trial World Champion has been tested in laboratory for peak oxygen uptake (VO2PEAK), ventilatory threshold (VT2), power output (PO), hemoglobin mass (Hb-mass). Moreover, ...
Jennings Denise - - 2011
PURPOSE: The purpose of this study was to investigate the influence of multiple games on exercise intensity during a world class hockey tournament. METHODS: Fifteen players (mean (±SD) age, stature, body mass and estimated VO2: 27 ±4 y, 179 ±5 cm, 77 ±5 kg and 64.2± 3.1 ml·kg-1min-1, respectively) competing ...
Breese Brynmor C - - 2011
This study tested the hypothesis that pulmonary [Formula: see text] kinetics would be slowed during 'work-to-work' exercise in adults but not in children. Eight boys (mean age=12.5±0.5years) and nine men completed very heavy step transitions initiated from either 'unloaded' pedalling (U→VH) or unloaded-to-moderate cycling (i.e. U→M to M→VH). The phase ...
Owe Katrine Mari - - 2011
PURPOSE: To examine the associations between exercise performed at different time points during pregnancy and gestational age in a population based cohort study. METHODS: Data included 61,098 singleton pregnancies enrolled between 2000 and 2006 in the Norwegian Mother and Child Cohort Study (MoBa), conducted by the Norwegian Institute of Public ...
Ganju Aruna - - 2011
Object Although fatigue and its effects on surgical proficiency have been an actively researched area, previous studies have not examined the effect of fatigue on neurosurgery residents specifically. This study aims to quantify the effect of fatigue on the psychomotor and cognitive skills of neurosurgery residents. Methods Seven neurosurgery residents ...
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, ...
Shah Krupa K Division of Geriatrics and Nutritional Science, Washington University School of Medicine, St. Louis, MO, - - 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 DK Department of Nutrition & Metabolism, University of Texas Medical Branch, Galveston, TX 77555-1144, - - 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 ...
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 ...
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 ...
Leeder J - - 2011
The aim was to investigate the efficacy of a commercially available electrical stimulation device purporting to facilitate recovery from strenuous exercise. Eight participants (5 male and 3 female, age range 23-30 y) volunteered for the study and were familiarised with all exercises involved. Prior to damaging exercise, participants completed tests ...
Voss S C - - 2011
In the fight against doping in sports, indirect detection methods using Hb and Hct are starting to play a more and more important role. The goal of this investigation was to quantify the changes in PV during a 2 week study of endurance exercise simulating a cycling stage race and ...
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 ...
Baadjou Vera A E - - 2011
Body posture appears to influence fatigue and musculoskeletal complaints in musicians. Our aim was to determine energy expenditure and to investigate whether energy expenditure is affected by body posture in brass and woodwind instrumentalists. METHODS: Eighteen musicians (10 women, 8 men; 6 brass, 12 woodwinds), with a mean age of ...
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 ...
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 ...
Koskela Jenni - - 2011
Introduction. A repolarization abnormality manifested as T-wave alternans (TWA) in electrocardiogram (ECG) predicts cardiovascular mortality. A common variant in the NOS1AP gene is associated with mortality and QT interval duration, possibly in a gender-specific manner, but data is lacking on potential association with TWA. This study tested association between rs10494366 ...
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