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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 ...
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: ...
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 ...
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 ...
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)), ...
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 ...
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 ...
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 ...
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 ...
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 ...
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) ...
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 ...
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) ...
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 ...
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 ...
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]) ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
Cornier Marc-Andre - - 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 ...
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 ...
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 ...
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 ...
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, ...
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 ...
Watson P - - 2011
Major sports championships are often scheduled in warm/dry and warm/humid environments, so it is important to be able to quantify the influence of these environmental extremes on work capacity. The aim of the present study was to examine the influence of relative humidity on endurance exercise performance in a warm ...
Shykoff Barbara E - - 2011
Physiologically acceptable limits of inspiratory impediment for air purifying respirators (APRs) were sought. Measurements on 30 subjects included pressure in, and flow through, an APR, and respiratory and cardiovascular variables. Exercise with and without APR included ladder climbing, load lift and transfer, incremental running and endurance running, with endurance at ...
Kressler Jochen - - 2011
Quercetin is a dietary flavonoid purported to improve human endurance exercise capacity. However, published findings are mixed. The study's purpose was to perform a systematic review of the literature and meta-analysis to examine whether quercetin ingestion increases endurance exercise capacity. A search of the literature was conducted using the key ...
Zorba E - - 2011
Increasing prevalence of obesity and related diseases especially in children and adolescent has gained more scientific attention. The present study was conducted to determine the effects of regular exercise on childhood obesity often associated with clinical conditions such as hypertension, dyslipidemia and diabetes already at a young age. The subjects ...
Chao Peter Weiyen - - 2011
Recent studies have shown strong associations between chronic exercise and improved spirometric values. Building on these findings, we investigated whether habitual lifetime exercise influences six-minute walk test performance (6MWT) in subjects with at least 10 pack-years smoking history. The 6MWT was chosen for its correlation with performance on activities of ...
Jurd Karen M - - 2011
The effect of pre-dive exercise on post-decompression venous gas emboli (VGE) remains contentious. The aim of our study was to investigate the effect of timing, intensity and mode of exercise before diving on post-decompression VGE production. Fifteen male volunteers performed three identical 100 min chamber dives to 18 metres' sea ...
Lott Matthew J E - - 2011
This study assessed fluid balance, sodium losses, and effort intensity during indoor tennis match play (17 ± 2 °C, 42% ± 9% relative humidity) 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 ...
Chang Yu-Kai - - 2011
The purpose of this study is to extend the literature by examining the effects of an acute bout of moderate to vigorous intensity aerobic exercise on the executive functions of planning and problem solving assessed using a Tower of London Task (TOL Task). Forty-two participants were randomly assigned into either ...
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 ...
Chang Yu-Kai - - 2011
The present research attempts to evaluate the dose-response relationship between acute resistance exercise and planning. Seventeen participants performed the Tower of London (TOL) in control condition and three different exercise intensity conditions (40%, 70%, and 100% 10-repetition maximal) in a counterbalanced order. The results revealed positive effects of an acute ...
Meador Benjamin M - - 2011
The most common side effect of statins, myopathy, is more likely in exercisers. We investigated the interaction of statin treatment with novel vs. accustomed exercise on muscle function, heat shock protein (Hsp) expression, and caspase activation. Mice received daily cerivastatin or saline for 2 weeks, with/without wheel running (RW) (novel/sedentary). ...
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 ...
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