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Mkacher Wajdi W Department of Physiology and Lung Function Testing, Faculty of Medicine of Sousse, University of Sousse , - - 2014
Abstract Background: Skeletal muscle wasting commonly occurs in patients with chronic obstructive pulmonary disease (COPD) and has been associated with the presence of systemic inflammation and endocrinological disturbance. The aim of this study is to analyze the effect of rehabilitation program on the balance of anabolic versus catabolic hormone in ...
Zou Kai K 1Department of Kinesiology and Community Health, 2Beckman Institute for Advanced Science and Technology, and 3Division of Biomedical Sciences, University of Illinois, Urbana, - - 2014
The α7β1 integrin is a transmembrane protein expressed in skeletal muscle that can link the actin cytoskeleton to the surrounding basal lamina. We have previously demonstrated that transgenic mice overexpressing the α7B integrin in skeletal muscle (MCK:α7B; α7Tg) mount an enhanced satellite cell and growth response to single or multiple ...
McMahon C D CD Agresearch Ltd, Hamilton, New - - 2014
The age-related loss of skeletal muscle mass and function is termed sarcopenia and has been attributed to a decline in concentrations of insulin-like growth factor-1 (IGF-1). We hypothesized that constitutively expressed IGF-1 within skeletal muscles with or without exercise would prevent sarcopenia. Male transgenic mice that overexpress IGF-1 Ea in ...
Sharifnezhad Ali A Humboldt-Universität zu Berlin, - - 2014
The present study investigated the longitudinal growth of the vastus lateralis (VL) muscle using four eccentric exercise protocols with different mechanical stimuli by modifying the load magnitude, lengthening velocity and muscle length at which the load is applied. Thirty-one participants voluntarily participated in this study in two experimental (EG) and ...
Walker Simon S Department of Biology of Physical Activity, University of Jyväskylä, Jyväskylä, - - 2014
The present study investigated changes in acute serum hormone responses to a resistance exercise bout following a prolonged period of hypertrophic resistance training in young (YM) and older men (OM). Subjects performed a 5 × 10RM leg press exercise protocol before and after 20 weeks of hypertrophic resistance training. In ...
Kurobe Kazumichi K Faculty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto, Kumamoto, - - 2014
It has been reported that exercise under hypoxic conditions elevates acute growth hormone secretion after exercise compared with that under normoxic conditions. This study examined the influence of resistance training under moderate hypoxic conditions on muscle thickness, strength and hormonal responses. Thirteen healthy men were assigned into two groups matched ...
Lerchenmüller Carolin C Cardiovascular Division, Beth Israel Deaconess Medical Center, Boston, MA, USA; Harvard Medical School, Boston, MA, - - 2014
Exercise is a well-established intervention for the prevention and treatment of cardiovascular disease. Increase in cardiomyocyte size is likely to be the central mechanism of exercise-induced cardiac growth, but recent research also supports a role for the generation of new cardiomyocytes as a contributor to physiological cardiac growth. Other cardiac ...
Gatford Kathryn L KL 1University of - - 2014
Individuals born after intrauterine growth restriction (IUGR) are at an increased risk of developing diabetes in their adult life. IUGR impairs β-cell function and reduces β-cell mass thereby diminishing insulin secretion. IUGR also induces insulin resistance, with impaired insulin signaling in muscle in adult humans who were small for gestational ...
Ji Eun Sun ES Konkuk University, Republic of - - 2014
The purpose of this study was to investigate the effects of prenatal Qi exercise on mother-infant interaction and the behavioral state of the infant. A prospective, quasi-experimental design was used in 70 healthy pregnant women of more than 18 weeks of gestation. Pregnant women in the intervention group received 90 ...
Berggren Kiersten L KL Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI, - - 2014
Capillary growth and expansion (angiogenesis) is a prerequisite for many forms of neural and behavioral plasticity. It is commonly observed in both brain and muscle of aerobically exercising animals. As such, several histological methods have been used to quantify capillary density, including perfusion with India ink, various Nissl stains, and ...
Grubb Amanda A a Department of Kinesiology, McMaster University, Hamilton, ON L8S 4L8, - - 2014
Insulin-like growth factor-1 (IGF-1) regulates stem cell proliferation and differentiation in vitro. The aim of this study was to quantify the change in satellite cell (SC) specific IGF-1 colocalization following exercise. We observed a significant increase (p < 0.05) in the percentage of SC with IGF-1 colocalization from baseline to ...
Eliakim Alon - - 2013
The manuscript "Plasma Somatomedin-C in 8- to 10-Year-Old Swimmers" by Denison and Ben-Ezra published in the first issue of Pediatric Exercise Science in 1989 was among the first to address the relationship between growth, the growth hormone (GH)/Insulin like growth factor-1 (IGF-1) axis, and exercise. Since their pioneering article, this ...
Pareja-Galeano H - - 2013
Objectives: We aimed to determine the effect of exercise training on plasma levels of brain-derived neurotrophic factor (BDNF), and serum insulin-like growth factor-1 (IGF-1) as well as cAMP response element-binding (CREB) activation in peripheral blood mononuclear cells (PBMCs) in adolescents. Methods: Nine trained and seven sedentary male adolescents, matched in ...
Pareja-Galeano H - - 2013
Objectives: We aimed to determine the effect of exercise training on plasma levels of brain-derived neurotrophic factor (BDNF), and serum insulin-like growth factor-1 (IGF-1) as well as cAMP response element-binding (CREB) activation in peripheral blood mononuclear cells (PBMCs) in adolescents. Methods: Nine trained and seven sedentary male adolescents, matched in ...
Baumann Freerk T - - 2013
First studies in pediatric oncology present a positive effect of physical activity on disease- and treatment-related side effects. While several reviews approved the benefits of therapeutic exercise for adult cancer patients, no systematic review summarizing the evidence of physical activity in pediatric oncology does exist.PUBMED database and Cochrane library were ...
Cabral C A C - - 2013
The effect of a treadmill running program on physical performance and morphofunctional adaptations was investigated in control and malnourished rats. Male 4-week old Wistar rats were randomized in groups of 12 animals: control trained (CT), control sedentary (CS), malnourished trained (MT) and malnourished sedentary (MS). Control and malnourished animals received ...
Lepeule Johanna - - 2013
The aim of this study was to identify the risk factors for the severity of Juvenile OsteoChondral Conditions (JOCC) in limbs of French foals. Twenty-one farms in Normandy, France, were sampled and enrolled in a cohort study including 378 foals from three breeds, followed from the 8th month of pregnancy ...
Bonini Matteo M Department of Medicine, Lung Function Unit, Sapienza University of Rome, Rome, Italy. - - 2013
The nerve growth factor (NGF) is the main neurotrophin, which, besides being an important growth factor for nerves, plays an important role as a mediator of inflammation. Nerve growth factor has been shown to increase in relation to stress stimuli and in allergic diseases in humans as well as after ...
Apró William - - 2013
The current dogma is that the muscle adaptation to resistance exercise is blunted when combined with endurance exercise. The suggested mechanism (based on rodent experiments) is that activation of adenosine monophosphate-activated protein kinase (AMPK) during endurance exercise impairs muscle growth through inhibition of the mechanistic target of rapamycin complex 1 ...
Li Xiu-Ming - - 2013
Continual swimming exercise usually promotes growth in fish at a moderate water velocity. We hypothesized that the improvement in growth in exercise-trained fish may be accompanied by increases in digestive enzyme activity, respiratory capacity and, hence, postprandial metabolism. Juvenile qingbo fish (Spinibarbus sinensis) were subjected to aerobic training for 8 ...
Sanchis-Gomar Fabian - - 2013
Several sports have been associated with a postexercise increase of cardiac, liver, and skeletal muscle biomarkers of injury. Exhaustive or acute physical exercise causes an increased generation of reactive oxygen species, resulting in cellular injury. Thus, exercise and training may trigger pathophysiological changes in serum concentrations of a variety of ...
Mônico-Neto M - - 2013
Sleep is important for maintenance of skeletal muscle health. Sleep debt can induce muscle atrophy by increasing glucocorticoids and decreasing testosterone, growth hormone and insulin-like growth factor-I. These hormonal alterations result in a highly proteolytic environment characterized by decreased protein synthesis and increased degradation. Given that sleep deprivation is increasingly ...
Noble G K - - 2013
REASONS FOR PERFORMING THE STUDY: As growth hormone increases lean body mass, it could be a therapy for obese horses. However, growth hormone use induces hyperinsulinaemia in some species, so further investigation is warranted. OBJECTIVES: To investigate the effects of feeding, exercise and growth hormone therapy on basal insulin concentrations ...
Castro Vicente - - 2013
ABSTRACT: BACKGROUND: Like humans, fish can be classified according to their athletic performance. Sustained exercise training of fish can improve growth and physical capacity, and recent results have documented improved disease resistance in exercised Atlantic salmon. In this study we investigated the effects of inherent swimming performance and exercise training ...
Huntsman Heather D - - 2013
The α(7)β(1)-integrin is an adhesion molecule highly expressed in skeletal muscle that can enhance regeneration in response to eccentric exercise. We have demonstrated that mesenchymal stem cells (MSCs), predominantly pericytes, accumulate in muscle (mMSCs) overexpressing the α(7B)-integrin (MCK:α(7B); α(7)Tg) and contribute to new fiber formation following exercise. Since vascularization is ...
Castro Vicente - - 2013
Cardiac muscle is a principal target organ for exercise-induced acclimation mechanisms in fish and mammals, given that sustained aerobic exercise training improves cardiac output. Yet, the molecular mechanisms underlying such cardiac acclimation have been scarcely investigated in teleosts. Consequently, we studied mechanisms related to cardiac growth, contractility, vascularization, energy metabolism ...
Rodgers Shaefali P - - 2013
Brain cancer is a common type of childhood malignancy, and radiotherapy (RT) is a mainstay of treatment. RT is effective for tumor eradication, and survival rates are high. However, RT damages the brain and disrupts ongoing developmental processes, resulting in debilitating cognitive "late" effects that may take years to fully ...
Armada-da-Silva Paulo A S - - 2013
Despite the great regenerative ability of the peripheral nervous system (PNS), traumatic peripheral nerve damage often causes severe chronic disability. Rehabilitation following PNS trauma usually employs therapeutic exercise in an attempt to reanimate the target organs and stimulate functional recovery. Over the past years, important neurobiological determinants of PNS regeneration ...
West Daniel W D - - 2013
Does resistance exercise order affect hormone availability? Participants performed arm exercise before and after leg exercise. Hormone delivery was estimated by multiplying brachial artery blood flow and hormone concentrations. Blood flow increased after arm (276%) and leg (193%; both p < 0.001) exercise. Testosterone, growth hormone, and insulin-like growth factor ...
Betts James A - - 2012
Endocrine responses to repeated exercise have hardly been investigated and no data are available regarding the mediating influence of nutrition. On three occasions, participants ran for 90 min at 70% VO2max (R1) before a second exhaustive treadmill run at the same intensity (R2; 91.6 ± 17.9 min). During the intervening ...
Betts James A - - 2012
Endocrine responses to repeated exercise have hardly been investigated and no data are available regarding the mediating influence of nutrition. On three occasions, participants ran for 90 min at 70% VO2max (R1) before a second exhaustive treadmill run at the same intensity (R2; 91.6 ± 17.9 min). During the intervening ...
Steinberg Nili - - 2012
BACKGROUND: The literature lacks important data about the relationship between scoliosis and growth process, scoliosis and intensive exercise, scoliosis and morphological characteristics, and scoliosis and injuries, among young dancers. OBJECTIVE: The aims of the present study were to determine the extent to which dance experience, body structure, anatomical anomalies and ...
Urai H - - 2012
Delayed onset muscle soreness (DOMS) is reduced when the same exercise is repeated after a certain interval. However, the mechanism for this adaptation, called a repeated bout effect, is still not well understood. Recently, we showed that upregulated nerve growth factor (NGF) triggered by B2 bradykinin receptor (B2R) activation in ...
Huntsman Heather D - - 2012
The α7β1 integrin is an adhesion molecule highly expressed in skeletal muscle that can enhance regeneration in response to eccentric exercise. We have demonstrated that mesenchymal stem cells (MSCs), predominantly pericytes, accumulate in muscle (mMSCs) overexpressing the α7B integrin (MCK:α7B; α7Tg) and contribute to new fiber formation following exercise. Since ...
Waring Cheryl D - - 2012
AimsIt is a dogma of cardiovascular pathophysiology that the increased cardiac mass in response to increased workload is produced by the hypertrophy of the pre-existing myocytes. The role, if any, of adult-resident endogenous cardiac stem/progenitor cells (eCSCs) and new cardiomyocyte formation in physiological cardiac remodelling remains unexplored.Methods and resultsIn response ...
Cohen Jacob - - 2012
The Rating of Perceived Exertion (RPE) normally grows as a scalar function of relative competitive distance, suggesting it may translate between the brain and body relative to managing fatigue during time trial exercise. In non-standard pacing situations, a reciprocal relationship between RPE and power output (PO) would be predicted. PURPOSE: ...
Rivas Donato A DA Nutrition, Exercise Physiology and Sarcopenia Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111, - - 2012
One of the most fundamental adaptive physiological events is the response of skeletal muscle to high-intensity resistance exercise, resulting in increased protein synthesis and ultimately larger muscle mass. However, muscle growth in response to contraction is attenuated in older humans. Impaired contractile-induced muscle growth may contribute to sarcopenia: the age-associated ...
Agergaard Jakob - - 2012
Introduction: We examined short-term (3-hour) and long-term (12-week) training effects after heavy load [HL; 70% 1RM] and light load (LL; 16% 1RM) exercise. Methods: mRNA expression of genes involved in skeletal muscle remodeling were analyzed and muscle activity (EMG measurements) was measured. Results: Relative muscle activity differed between HL and ...
Connolly Declan A J - - 2012
PURPOSE OF REVIEW: The purpose of this article is to assess the value of the anaerobic threshold for use in clinical populations with the intent to improve exercise adaptations and outcomes. The anaerobic threshold is generally poorly understood, improperly used, and poorly measured. It is rarely used in clinical settings ...
Gappmaier Eduard - - 2012
To describe how to perform a Submaximal Clinical Exercise Tolerance Test (SXTT) as part of an exercise evaluation in the physical therapy clinic to determine an appropriate exercise prescription and to establish safety of exercise for physical therapy clients. Physical activity is crucial for general health maintenance. An exercise evaluation ...
Eliakim Alon - - 2012
Abstract Interval training is a commonly used training method known to improve both aerobic and anaerobic capabilities, and is one of the popular techniques used in training young athletes engaged in both anaerobic- and aerobic-type sports. This occurs although anaerobic glycolytic capacity is less efficient in the child and becomes ...
Kaya Yalcin - - 2012
This preliminary study investigates the combined effect of intensive hypnotherapy and diaphragmatic exercises in the management of stuttering. Fifty-nine clients with stuttering were trained to practice abdominal weightlifting to strengthen their respiratory muscles and to improve their diaphragmatic movements. The weightlifting exercises involved lifting a dumbbell (2.0-4.0 kg) with the ...
Swain Rodney A RA Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, USA. - - 2012
Aerobic exercise promotes rapid and profound alterations in the brain. Depending upon the pattern and duration of exercise, these changes in the brain may extend beyond traditional motor areas to regions and structures normally linked to learning, cognition, and emotion. Exercise-induced alterations may include changes in blood flow, hormone and ...
Hoppeler Hans - - 2011
The skeletal muscle phenotype is subject to considerable malleability depending on use. Low-intensity endurance type exercise leads to qualitative changes of muscle tissue characterized mainly by an increase in structures supporting oxygen delivery and consumption. High-load strength-type exercise leads to growth of muscle fibers dominated by an increase in contractile ...
Adams C E - - 2011
Ghrelin, the only known appetite-stimulating hormone in humans, may be one factor involved in increased appetite, cravings and food intake following weight loss. Innovative strategies for suppressing ghrelin and decreasing appetite during weight loss maintenance are needed. Recent research has highlighted relationships between ghrelin, stress and lifestyle factors. The purposes ...
Johnston Therese E - - 2011
BACKGROUND AND PURPOSE:/b> Adults with cerebral palsy (CP) are at risk for decreased mobility and health complications, and exercise may combat some of these negative changes. Because people with CP have difficulty generating sufficient muscle force, exercise augmented with functional electrical stimulation (FES) is an option for increasing exercise intensity. ...
Daly Janis J - - 2011
BACKGROUND: . No single intervention restores the coordinated components of gait after stroke. OBJECTIVE: . The authors tested the multimodal Gait Training Protocol, with or without functional electrical stimulation (FES), to improve volitional walking (without FES) in patients with persistent (>6 months) dyscoordinated gait. METHODS: . A total of 53 ...
Frank Irene - - 2011
: Overweight and obese subjects often perceive increased breathlessness during minor exertion and therefore avoid exercise. Respiratory muscle endurance training (RMET) can reduce the perception of breathlessness. We hypothesized that RMET 1 month before and during a 6-month (3 months supervised + 3 months unsupervised) exercise and nutrition counseling program ...
Silva Marlene N - - 2011
: This study evaluated exercise-related predictors of successful long-term weight control in women by analyzing the extent to which sustained exercise participation and self-determination theory (SDT)-based exercise motivation variables mediated the impact of a behavioral weight control intervention on 3-yr weight change. : Longitudinal randomized controlled trial consisting of a ...
Elloumi Mohamed - - 2011
Purpose. We assessed the exercise tolerance and cardiorespiratory responses during 2-month weight-loss programmes using the 6-minute walking test (6MWT) in obese children. Methods. Twenty-eight male obese children were randomly assigned to either a control group (C), an energy restriction group (R), an exercise training at maximum lipid-oxidation (LIPOXmax) group (E), or an energy ...
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