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Klaperski Sandra S Institute of Sports Science, University of Freiburg, Schwarzwaldstr. 175, 79117, Freiburg, Germany, - - 2014
The present study experimentally tested the cross-stressor adaptation hypothesis by examining whether endurance exercise training leads to reductions in the physiological stress response to a psychosocial stressor. We randomly assigned 149 healthy men to a 12-week exercise training, relaxation training, or a wait list control group. Before and after intervention ...
Genner Kyle M KM 1Department of Sport & Exercise Sciences, School of Social Sciences & Law, Teesside University, Middlesbrough, - - 2014
The purpose of this study was to (a) assess the usefulness of volume load (VL), session RPE (SRPE), RPE load (RPEL), and a modified RPEL (RPEL-2) to estimate internal load from resistance exercise (RE), and (b) to further assess the interactions between SRPE, VL, and RE intensity. Twelve healthy males ...
Maresh Carl M CM a Human Performance Laboratory, Department of Kinesiology , University of Connecticut , Storrs , CT , 06269 , - - 2014
ABSTRACT This study investigated the effects of environmental temperature on repetitive box lifting (RBL) performance, associated stress hormone and creatine kinase (CK) responses. Ten healthy males performed two experimental trials in a random crossover design. The trials consisted of three 40 min (10 min sitting, 20 min standing, and 10 min RBL) circuits performed ...
Kim Eonho E Neuromuscular Research - - 2014
The purpose of this study was to determine whether the acute hormone response to exercise differed between low intensity blood flow restricted resistance exercise and traditional high-intensity resistance exercise in college-aged women. A total of 13 healthy women (aged 18-25 yrs), who were taking oral contraceptives, volunteered for this randomized ...
Wardwell K K - - 2013
Aim: The primary purpose was to examine affective responses and future intentions in response to self-selected and imposed-intensity walking in inactive women with high levels of stress. The secondary purpose was to examine potential psychobiological variables (cortisol responses and self-efficacy) associated with changes in affective states. Methods: Nineteen participants (age=23.58±5.30 ...
Tzanis Georgios - - 2013
Chronic heart failure (CHF) is a complex clinical syndrome leading to exercise intolerance due to muscular fatigue and dyspnea. Hemodynamics fail to explain the reduced exercise capacity, while a significant skeletal muscular pathology seems to constitute the main underlying mechanism for exercise intolerance in CHF patients. There have been proposed ...
Tanner Amy Vivien - - 2013
Abstract The aim of this study was to examine the acute response to plasma and salivary cortisol and testosterone to three training protocols. Ten trained endurance athletes participated in three experimental trials, such as interval training (INT), tempo run (TEMP) and bodyweight-only circuit training (CIR), on separate days. Blood and ...
Kędzierski Witold - - 2013
Physical activity and stress both cause an increase in cortisol release ratio. The aim of this study was to evaluate the use of saliva samples for the determination of cortisol concentrations indicating the work-load level in horses during race training. Twelve Purebred Arabian horses aged 3-5 years were studied during ...
Cuevas Brandi T - - 2013
Reduced stress and reduced risk of cancer recurrence are among the many benefits of physical activity (PA) for cancer survivors. Exercise behaviors are linked to motivational factors. We investigated the associations between motivational profile, self-reported levels of PA and stress, and mental functioning in 94 posttreatment breast cancer survivors who ...
Tam Charmaine S CS Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA 70808; The Charles Perkins Centre and School of Biological Sciences, University of Sydney, NSW, - - 2014
The effect of weight loss by diet or diet and exercise on salivary cortisol levels, a measure of hypothalamic pituitary adrenal activity, in overweight individuals is not known. The objective was to test the hypothesis that 24 weeks of moderate caloric restriction (CR) (25%) by diet or diet and aerobic ...
Sacheck Jennifer M - - 2013
To investigate the association between pre-game snacks varying in macronutrient content and exercise intensity, physiological stress, and fatigue in young soccer players. One hour prior to a 50-min soccer game, children (n=79; 9.1 ± 0.8 y) were randomly assigned to consume a raisin-, peanut butter-, or cereal-based snack. Body mass ...
Ventre Giovanni - - 2013
Salivary (s)-cortisol, s-amylase, s-DHEA are used extensively in stress research. Vasoactive Intestinal Peptide (VIP) is also detectable in saliva using a standard RIA kit. VIP is a 28 amino acid neuropeptide that belongs to the secretin/glucagon family of peptides and acts as a neurotransmitter/neuromodulator. VIP has also been detected in ...
Janse Van Rensburg Kate - - 2013
Aerobic exercise can acutely reduce cigarette cravings during periods of nicotine deprivation. The primary aim of this study was to assess the differential effects of light and vigorous intensity aerobic exercise on cigarette cravings, subjective and physiological reactivity to smoking cues, and affect after overnight nicotine deprivation. A secondary aim ...
Hough John - - 2013
Abstract This study examined salivary cortisol and testosterone responses to two, different high-intensity, ∼30-min cycles separated by 2 h rest before and after an 11-day intensified training period. Twelve recreationally active, healthy males completed the study. Saliva samples were collected before, immediately after and 30 min after both bouts with salivary cortisol ...
Boisseau N - - 2013
Background. In females, estrogen is a potential modulator of cortisol response to stressors. The aim of this study was to determine the influence of menstrual cycle phase, oral contraception (OC) use and exercise training on HPA axis activity and reactivity after physical stress. Aim. We investigated the effects of the ...
Cook Christian J - - 2013
OBJECTIVES: To determine if a morning training session could alter afternoon physical performance. Moreover, as testosterone (T) and cortisol (C) concentrations are significant predictors of physical performance, and both show circadian declines across the day, we examined the effects of morning training on diurnal T and C responses. DESIGN: Eighteen ...
Cook Christian J - - 2013
PURPOSE: To examine the effects of moderate load exercise with and without blood flow restriction on strength, power and repeated sprint ability, along with acute and chronic salivary hormonal parameters. METHODS: Twenty male semi-professional rugby union athletes were randomized to a lower-body blood flow restricted intervention (an occlusion cuff inflated ...
Shimizu Nobuko - - 2013
Background: Recent interventional studies have indicated that some exercise programs have beneficial physical and immunological effects for older people. Some evidence suggests that exercise programs involving music and/or a rhythmic movement component may be particularly beneficial. Objective: To assess the effects of a new type of movement music therapy (MMT) ...
Bird Stephen P - - 2013
We hypothesized that triphasic multinutrient supplementation during acute resistance exercise would enhance muscular performance, produce a more favorable anabolic profile, and reduce biochemical markers of muscle damage in strength-trained athletes. Fifteen male strength-trained athletes completed two acute lower-body resistance exercise sessions to fatigue 7 days apart. After a 4-hour fast, ...
McDonnell Michelle Nadine - - 2013
Regular physical activity is associated with enhanced plasticity in the motor cortex but the effect of a single session of aerobic exercise on neuroplasticity is unknown. The aim of this study was to compare corticospinal excitability and plasticity in the upper limb cortical representation following a single session of lower ...
Minett G M - - 2013
This study examined the effects of post-exercise cooling on recovery of neuromuscular, physiological, and cerebral hemodynamic responses after intermittent-sprint exercise in the heat. Nine participants underwent three post-exercise recovery trials, including a control (CONT), mixed-method cooling (MIX), and cold-water immersion (10 °C; CWI). Voluntary force and activation were assessed simultaneously with ...
Agapitou Varvara - - 2013
BACKGROUND: Skeletal muscle wasting is associated with altered catabolic/anabolic balance and poor prognosis in patients with chronic heart failure (CHF). This study evaluated catabolic and anabolic abnormalities in relation to disease severity in CHF patients. METHODS: Forty-two stable CHF patients (34 men; aged 56±12 years, body mass index, 27±5 kg/m(2)) ...
Buchheit M - - 2013
OBJECTIVES: To examine the usefulness of selected physiological and perceptual measures to monitor fitness, fatigue and running performance during a pre-season, 2-week training camp in eighteen professional Australian Rules Football players (21.9±2.0 years). DESIGN: Observational. METHODS: Training load, perceived ratings of wellness (e.g. fatigue, sleep quality) and salivary cortisol were ...
Cuddy John S JS Department of HHP McGill Hall, The University of Montana, Center for Work Physiology and Exercise Metabolism, 32 Campus Drive, Missoula, MT 59812, USA. - - 2013
Special Tactics Officer (STO) selection is conducted to select officers to enter the combat controller training pipeline. The aims were to determine physical activity patterns, estimate energy expenditure, and identify whether return and/or unsuccessful candidates demonstrated differences in cortisol responses compared to non-selected and/or first-time attendees. Participants completed the STO ...
Daly M - - 2012
This study aimed to ascertain whether self-control predicts heart rate, heart rate variability, and the cortisol slope, and to determine whether health behaviors and affect patterns mediate these relationships. A sample of 198 adults completed the Self-Control Scale (Tangney in J Pers 72:271-322, 2004), and reported their exercise levels, and ...
Schmidt Martina E - - 2012
BACKGROUND AND RATIONALE: Cancer-related fatigue is a common severe symptom in breast cancer patients, especially during chemotherapy. Exercise appears to be promising in prevention or treatment of fatigue. Resistance training as an accompanying treatment to chemotherapy has been minimally investigated, yet might counteract muscle degradation and inflammation caused by many ...
Bunevicius Adomas - - 2012
ObjectiveIn people with coronary artery disease, the association between endocrine measures and fatigue is not well understood. We evaluated possible associations of fatigue and exercise capacity with function of adrenal axis and thyroid axis.MethodsSixty-five men and 18 women aged 55 (9) years attending a rehabilitation program were examined using the ...
Keteyian Steven J - - 2012
As we bask in the fading glow of the 2012 Summer Olympics games, it seems apropos to discuss the clinical application of an exercise training regimen that was systematically applied to elite athletes nearly 80 years ago. Then Drs. Woldemar Gerschler and Herbert Reindel, a professor of physical education and ...
Akubat Ibrahim - - 2012
Abstract Previous studies examining methods of monitoring the training and match load in soccer players have simply compared those methods to each other, not to changes in fitness. Training and match load measures from nine professional youth soccer players were collected for a period of six weeks. A lactate threshold ...
Allgrove Judith E - - 2012
This study examined the effect of a 1 h, self-paced handcycling time trial on blood leukocytes, mucosal immunity, and markers of stress in paraplegic athletes. Nine male paraplegic athletes (spinal injury level thoracic 4-lumbar 2) performed 1 h of handcycling exercise on a standard 400 m athletics track. Heart rate ...
Peeters Corien - - 2012
Purpose was to examine experiences of obese youth aged 14 to 18 years during their participation in the Healthy Eating, Aerobic, and Resistance Exercise in Youth (HEARTY) randomized controlled exercise trial. A longitudinal qualitative approach was used to investigate youths' experiences across time points in the trial: 3-weeks (run-in phase; ...
Pabayo Roman - - 2012
Objectives. We determined whether social fragmentation, which is linked to the concept of anomie (or normlessness), was associated with a decreased likelihood of willingness to walk for exercise. Methods. Data were collected from mothers and fathers of 630 families participating in the Quebec Adipose and Lifestyle Investigation in Youth Cohort, ...
Leyk Dieter - - 2012
ABSTRACT: The number of sedentary young adults has dramatically increased in past decades and sedentary lifestyles are adopted at an increasingly earlier age. Little is known about barriers or predictors to (re-)initiate regular physical activity in this group. The purpose of the study is to (1) identify subgroups in non-athletes ...
Ploeger H - - 2012
We examined inflammatory cells, cytokines and growth factors in response to acute bouts of moderate intensity continuous exercise and high intensity intermittent exercise in youth with Crohn's disease and in healthy matched-controls. 15 patients and 15 controls performed 30 min of cycling at 50% of peak mechanical power (PMP) and ...
Koschel Dirk - - 2012
We present a case of farmer's lung (FL) with the primary presenting feature of a large bulla in the lung. A 70-year-old nonsmoking woman with dyspnea on exercise was referred for surgical resection of a large bulla in the lung. The postoperative evaluation of the lung tissue revealed a follicular ...
Short Kevin R - - 2012
Children and adolescents who have decreased mobility due to spina bifida may be at increased risk for the components of metabolic syndrome, including abdominal obesity, insulin resistance, and dyslipidemia due to low physical activity. Like their nondisabled peers, adolescents with spina bifida that develop metabolic risk factors early in life ...
Gerber Markus - - 2012
Hair cortisol has the potential to fill the methodological void of long-term cortisol assessment while becoming a widely accepted measure in biopsychology. This review critically examines the applicability and relevance of hair cortisol measurement specifically within the field of exercise and sport science. Current measures of the HPA axis only ...
Dudgeon Wesley David WD Department of Health, Exercise, and Sport Science, The Citadel, 171 Moultrie Street, Charleston, SC 29403, - - 2012
HIV/AIDS and its treatment often alter body composition and result in poorer physical functioning. The aim of this study was to determine the effects of a moderate-intensity exercise program on body composition and the hormones and cytokines associated with adverse health outcomes. HIV-infected males (N = 111) were randomized to ...
Peyer Karissa - - 2011
Clear criteria for maximal oxygen consumption (VO2max) determination in youth are not available, and no studies have examined this issue in girls. Our purpose was to determine whether different peak heart rate (HRpeak) and peak respiratory exchange ratio (RERpeak) cut points affect girls' (N = 453; M age = 13.3 ...
Cho Eun-Pyol - - 2011
Gerodontology 2011; doi: 10.1111/j.1741-2358.2011.00594.x Enhancing the quality of life in elderly women through a programme to improve the condition of salivary hypofunction Objective:  The purposes of this study were to examine the effects of oral exercise intended to improve the function of the oral cavity in the elderly and their ...
Emmanuel Holly - - 2011
Emmanuel, H, Casa, DJ, Beasley, KN, Lee, EC, McDermott, BP, Yamamoto, LM, Armstrong, LE, and Maresh, CM. Appearance of D2O in sweat after oral and oral-intravenous rehydration in men. J Strength Cond Res 25(X): 000-000, 2011-Intravenous (IV) rehydration is common in athletics, but its thermoregulatory benefits and ergogenicity have not ...
Thiel Christian - - 2011
This case study evaluated the response of objective and subjective markers of overreaching to a highly demanding conditioning training mesocycle in elite tennis players to determine 1) whether players would become functionally or non-functionally overreached, and 2) to explore how coherently overreaching markers would respond. Performance, laboratory and cardiac autonomous ...
Wells Greg D - - 2011
Previous studies have reported differences in muscle function and metabolism between patients with cystic fibrosis (CF) and healthy controls (HC), but it is currently unknown whether these abnormalities are specific to CF or also seen in other airway diseases. In this study, we used magnetic resonance spectroscopy (MRS) during exercise ...
Teo Weipeng - - 2011
Almost all physiological and biochemical processes within the human body follow a circadian rhythm (CR). In humans, the suprachiasmatic nucleus regulates sleep- wake cycle and other daily biorhythms in line with solar time. Due to such daily physiological fluctuations, several investigations on neuromuscular performance have reported a distinct CR during ...
Layec Gwenael - - 2011
Muscle energetics has been largely and quantitatively investigated using (31) P MRS. Various methods have been used to estimate the corresponding rate of oxidative ATP synthesis (ATP(ox) ); however, potential differences among methods have not been investigated. In this study, we aimed to compare the rates of ATP production and ...
Amin Aeshna - - 2012
The present work studies the interaction of methyl paraben (MPB) and propyl paraben (PPB), two widely used antimicrobial agents in multi-dose ophthalmic formulations, with 5 mL, low density polyethylene (LDPE) and polypropylene (PP) blow-fill-seal (BFS) packs, by subjecting the systems to accelerated stability conditions of 40°C/25% RH. The effect of pH, ...
Baligand C - - 2011
A totally noninvasive set-up was developed for comprehensive NMR evaluation of mouse skeletal muscle function in vivo. Dynamic pulsed arterial spin labeling-NMRI perfusion and blood oxygenation level-dependent (BOLD) signal measurements were interleaved with (31) P NMRS to measure both vascular response and oxidative capacities during stimulated exercise and subsequent recovery. ...
Tonson Anne - - 2010
We quantified energy production in 7 prepubescent boys (11.7 ± 0.6 yr) and 10 men (35.6 ± 7.8 yr) using (31)P-magnetic resonance spectroscopy to investigate whether development affects muscle energetics, given that resistance to fatigue has been reported to be larger before puberty. Each subject performed a finger flexions exercise ...
Grassi Bruno - - 2011
An analysis of previously published data obtained by our group on patients characterized by markedly slower pulmonary VO₂ kinetics (heart transplant recipients, patients with mitochondrial myopathies, patients with McArdle disease) was carried out in order to suggest that slow VO₂ kinetics should not be considered the direct cause, but rather ...
Dudzinska W - - 2010
Maximal physical exertion is accompanied by increased degradation of purine nucleotides in muscles with the products of purine catabolism accumulating in the plasma. Thanks to membrane transporters, these products remain in an equilibrium between the plasma and red blood cells where they may serve as substrates in salvage reactions, contributing ...
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