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https://www.readbyqxmd.com/read/28346813/protein-supplementation-does-not-affect-myogenic-adaptations-to-resistance-training
#1
Paul T Reidy, Christopher S Fry, Sherry Igbinigie, Rachel R Deer, Kristofer Jennings, Mark B Cope, Ratna Mukherjea, Elena Volpi, Blake B Rasmussen
It has been proposed that protein supplementation during resistance exercise training enhances muscle hypertrophy. The degree of hypertrophy during training is controlled in part through activation of satellite cells and myonuclear accretion. PURPOSE: To determine the efficacy of protein supplementation (and the type of protein) during traditional resistance training on myofiber cross-sectional-area, satellite cell content and myonuclear addition. METHODS: Healthy young men participated in supervised whole body progressive resistance training 3d/wk for 12 weeks...
February 14, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28342682/a-home-program-of-strength-training-movement-strategy-training-and-education-did-not-prevent-falls-in-people-with-parkinson-s-disease-a-randomised-trial
#2
Meg E Morris, Nicholas F Taylor, Jennifer Watts, Andrew Evans, Malcolm Horne, Peter Kempster, Mary Danoudis, Jennifer J McGinley, Clarissa Martin, Hylton B Menz
QUESTIONS: For people with idiopathic Parkinson's disease, does a 6-week, comprehensive, home exercise program reduce falls and disability and improve health-related quality of life? Is the program cost-effective? DESIGN: Randomised, controlled trial with concealed allocation and assessor blinding. PARTICIPANTS: One hundred and thirty-three community-dwelling adults with Parkinson's disease. INTERVENTION: The experimental group completed a 6-week home program comprising progressive resistance strength training, movement strategy training and falls education...
March 14, 2017: Journal of Physiotherapy
https://www.readbyqxmd.com/read/28319679/evaluation-of-body-composition-with-bioimpedence-a-comparison-between-athletic-and-non-athletic-children
#3
Domenico Meleleo, Nicola Bartolomeo, Liliana Cassano, Alessandro Nitti, Giovanna Susca, Giuseppina Mastrototaro, Umberto Armenise, Annapaola Zito, Fiorella Devito, Pietro Scicchitano, Marco Matteo Ciccone
PURPOSE: Conventional Bioelectrical Impedance Analysis (BIA) or Bioelectrical Impedance Vector Analysis (BIVA) can provide direct evaluations of body composition. The purpose of this study was to evaluate lean and fat mass (FM), and hydration of children involved in daily competitive sports. METHODS: 190 non-athletic [8.2-10.5 years] and 29 competitive children [8.0-10.5 years] were enrolled. They were evaluated: at baseline (t0), 6 months (t1) and one year (t2)...
March 20, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28316570/isometric-exercise-training-for-managing-vascular-risk-factors-in-mild-cognitive-impairment-and-alzheimer-s-disease
#4
REVIEW
Nicole C L Hess, Neil A Smart
Alzheimer's disease (AD) is the most common form of dementia diagnosed amongst the elderly. Mild cognitive impairment (MCI) is a condition often indicative of the earliest symptomatology of AD with 10%-15% of MCI patients reportedly progressing to a diagnosis of AD. Individuals with a history of vascular risk factors (VRF's) are considered high risk candidates for developing cognitive impairment in later life. Evidence suggests that vascular injury resulting from untreated VRF's promotes progression from MCI to AD and exacerbates the severity of dementia in AD, and neuroimaging studies have found that the neurodegenerative processes associated with AD are heavily driven by VRF's that promote cerebral hypoperfusion...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28304092/mediation-of-cognitive-function-improvements-by-strength-gains-after-resistance-training-in-older-adults-with-mild-cognitive-impairment-outcomes-of-the-study-of-mental-and-resistance-training
#5
Yorgi Mavros, Nicola Gates, Guy C Wilson, Nidhi Jain, Jacinda Meiklejohn, Henry Brodaty, Wei Wen, Nalin Singh, Bernhard T Baune, Chao Suo, Michael K Baker, Nasim Foroughi, Yi Wang, Perminder S Sachdev, Michael Valenzuela, Maria A Fiatarone Singh
OBJECTIVES: To determine whether improvements in aerobic capacity (VO2peak ) and strength after progressive resistance training (PRT) mediate improvements in cognitive function. DESIGN: Randomized, double-blind, double-sham, controlled trial. SETTING: University research facility. PARTICIPANTS: Community-dwelling older adults (aged ≥55) with mild cognitive impairment (MCI) (N = 100). INTERVENTION: PRT and cognitive training (CT), 2 to 3 days per week for 6 months...
March 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28296020/memristive-devices-with-highly-repeatable-analog-states-boosted-by-graphene-quantum-dots
#6
Changhong Wang, Wei He, Yi Tong, Yishu Zhang, Kejie Huang, Li Song, Shuai Zhong, Rajasekaran Ganeshkumar, Rong Zhao
Memristive devices, having a huge potential as artificial synapses for low-power neural networks, have received tremendous attention recently. Despite great achievements in demonstration of plasticity and learning functions, little progress has been made in the repeatable analog resistance states of memristive devices, which is, however, crucial for achieving controllable synaptic behavior. The controllable behavior of synapse is highly desired in building neural networks as it helps reduce training epochs and diminish error probability...
March 15, 2017: Small
https://www.readbyqxmd.com/read/28294417/progressive-resistance-loaded-voluntary-wheel-running-increases-hypertrophy-and-differentially-affects-muscle-protein-synthesis-ribosome-biogenesis-and-proteolytic-markers-in-rat-muscle
#7
C B Mobley, A M Holland, W C Kephart, P W Mumford, R P Lowery, A N Kavazis, J M Wilson, M D Roberts
We examined if 6 weeks of progressive resistance-loaded voluntary wheel running in rats induced plantaris, soleus, and/or gastrocnemius hypertrophy and/or affected markers of translational efficiency, ribosome biogenesis, and markers of proteolysis. For 6 weeks, 8 male Sprague-Dawley rats (~9-10 weeks of age, ~300-325 g) rats were assigned to the progressive resistance-loaded voluntary wheel running model (EX), and ten rats were not trained (SED). For EX rats, the wheel-loading paradigm was as follows - days 1-7: free-wheel resistance, days 8-15: wheel resistance set to 20%-25% body mass, days 16-24: 40% body mass, days 25-32: 60% body mass, days 33-42: 40% body mass...
March 15, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28290191/effects-of-progressive-resistance-exercise-in-akinetic-rigid-parkinson-s-disease-patients-a-randomized-controlled-trial
#8
Luis Santos, Javier Fernandez-Rio, Kristian Winge, Beatriz Barragán-Pérez, Lucía González-Gómez, Vicente Rodríguez-Pérez, Vicente González-Díez, Alejandro Lucía, Eliseo Iglesias-Soler, Xurxo Dopico-Calvo, Miguel Fernández-Del-Olmo, Miguel Del-Valle, Miguel Blanco-Traba, Oscar E Suman, Javier Rodríguez-Gómez
BACKGROUND: Progressive resistance exercise (PRE) can have a positive effect in individuals with Parkinson's disease (PD). However, the effect of PRE may vary with the clinical subtype of PD. To date, no study has assessed the effects of PRE in the different subtypes of PD. AIM: The aim of the present study was to assess the effects of PRE in PD patients with akinesia and rigidity (AR-subtype). DESIGN: A randomized controlled trial was conducted...
March 13, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28286988/exercise-and-nutritional-approaches-to-prevent-frail-bones-falls-and-fractures-an-update
#9
REVIEW
R M Daly
Osteoporosis (low bone strength) and sarcopenia (low muscle mass, strength and/or impaired function) often co-exist (hence the term 'sarco-osteoporosis') and have similar health consequences with regard to disability, falls, frailty and fractures. Exercise and adequate nutrition, particularly with regard to vitamin D, calcium and protein, are key lifestyle approaches that can simultaneously optimize bone, muscle and functional outcomes in older people, if they are individually tailored and appropriately prescribed in terms of the type and dose...
April 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28280974/post-absorptive-muscle-protein-turnover-affects-resistance-training-hypertrophy
#10
Paul T Reidy, Michael S Borack, Melissa M Markofski, Jared M Dickinson, Christopher S Fry, Rachel R Deer, Elena Volpi, Blake B Rasmussen
PURPOSE: Acute bouts of resistance exercise and subsequent training alters protein turnover in skeletal muscle. The mechanisms responsible for the changes in basal post-absorptive protein turnover and its impact on muscle hypertrophy following resistance exercise training are unknown. Our goal was to determine whether post-absorptive muscle protein turnover following 12 weeks of resistance exercise training (RET) plays a role in muscle hypertrophy. In addition, we were interested in determining potential molecular mechanisms responsible for altering post-training muscle protein turnover...
March 9, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28229646/special-nutrition-intervention-is-required-for-muscle-protective-efficacy-of-physical-exercise-in-elderly-people-at-highest-risk-of-sarcopenia
#11
A Molnár, I Jónásné Sztruhár, Á A Csontos, Cs Ferencz, Sz Várbíró, B Székács
Progressive loss of muscle mass and strength is a physiological consequence of aging, and without interventions, it usually deteriorates into sarcopenia. In this study, the hypothesis that combined special nutritional-physiotherapeutical intervention to prevent or reverse this biological deterioration in elderly people was tested. The effects of the regular resistance muscle training (PT, n = 17) alone and the combined exercise + special nutrition therapy containing whey protein and vitamin D (PT + NT, n = 17) were monitored for 3 months in 34 elderly patients (12 men and 22 women; mean age: 66...
September 2016: Physiol Int
https://www.readbyqxmd.com/read/28209634/cognitive-decline-in-prostate-cancer-patients-undergoing-adt
#12
Niamh Liana Mundell, Robin M Daly, Helen Macpherson, Steve F Fraser
Androgen deprivation therapy (ADT) is an effective and widely prescribed treatment for prostate cancer (PCa), but it is associated with multiple treatment induced adverse effects that impact on various musculoskeletal and cardiometabolic health outcomes. Emerging research has shown that ADT is also associated with cognitive impairment, which has been linked to a loss of independence, increased falls and fracture risk and greater use of medical services. The aim of this review is to outline the evidence related to the effect of ADT use on cognitive function, and propose a role for exercise training as part of usual care to prevent and/or manage cognitive impairments for PCa survivors on ADT...
February 16, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28206871/swallowing-therapy-and-progressive-resistance-training-in-head-and-neck-cancer-patients-undergoing-radiotherapy-treatment-randomized-control-trial-protocol-and-preliminary-data
#13
RANDOMIZED CONTROLLED TRIAL
Sara F Hajdú, Irene Wessel, Christoffer Johansen, Claus A Kristensen, Zahra T Kadkhoda, Christina C Plaschke, Susanne O Dalton
BACKGROUND: Head and neck cancer (HNC) patients are often challenged by treatment induced dysphagia and trismus. Traditionally, rehabilitation is initiated when loss of function has already occurred. There is increasing evidence that it is of benefit to patients to initiate an early rehabilitation process before and during treatment. HNC patients have a unique set of functional challenges such as pre- and post-treatment dysphagia, pain and weight loss. The aim of the trial is to investigate the effects of swallowing and mouth-opening exercises combined with progressive resistance training (PRT) during radiotherapy...
February 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28181133/effects-of-aerobic-exercise-training-on-metabolism-of-nitric-oxide-and-endothelin-1-in-lung-parenchyma-of-rats-with-pulmonary-arterial-hypertension
#14
A Zimmer, R B Teixeira, J H P Bonetto, R Siqueira, C C Carraro, L M Donatti, A Hickmann, I E Litvin, A E G Godoy, A S Araujo, R Colombo, Adriane Belló-Klein
Pulmonary arterial hypertension (PAH) is characterized by vasoconstriction and proliferative obstruction of pulmonary vessels, which promotes a progressive increase in pulmonary vascular resistance (PVR). The effect of exercise training on oxidative stress, metabolism, and markers of nitric oxide (NO) and endothelin-1 (ET-1) was analyzed in the lung tissue of rats with PAH induced by monocrotaline (MCT).Twenty-four Wistar rats were divided into four groups (5-7 animals): sedentary control (SC), sedentary MCT (SM), trained control (TC), and trained MCT (TM)...
February 8, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28156451/strength-training-to-enhance-early-recovery-after-hematopoietic-stem-cell-transplantation
#15
Eileen Collins, Chang Park, Tara Peters, Damiano Rondelli
190 Background: Intensive cancer treatment followed by hematopoietic stem cell transplantation (HCT) results in moderate to severe fatigue and physical inactivity leading to diminished functional ability. METHODS: This study compared strength training to enhance early recovery (STEER) (n = 33) to attentional control with health education (n = 34) in adult HCT patients on primary outcomes (physical activity and fatigue) and secondary outcome (functional ability) in a single-blind randomized clinical trial...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28153943/the-cardiovascular-system-after-exercise
#16
Steven A Romero, Christopher Todd Minson, John R Halliwill
Recovery from exercise refers to the time period between the end of a bout of exercise and the subsequent return to a resting or recovered state. It also refers to specific physiological processes or states, occurring after exercise, which are distinct from the physiology of either the exercising or the resting states. In this context, recovery of the cardiovascular system after exercise occurs across a period of minutes to hours, during which many characteristics of the system, even how it is controlled, are changing over time...
February 2, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28148220/genomic-selection-models-double-the-accuracy-of-predicted-breeding-values-for-bacterial-cold-water-disease-resistance-compared-to-a-traditional-pedigree-based-model-in-rainbow-trout-aquaculture
#17
Roger L Vallejo, Timothy D Leeds, Guangtu Gao, James E Parsons, Kyle E Martin, Jason P Evenhuis, Breno O Fragomeni, Gregory D Wiens, Yniv Palti
BACKGROUND: Previously, we have shown that bacterial cold water disease (BCWD) resistance in rainbow trout can be improved using traditional family-based selection, but progress has been limited to exploiting only between-family genetic variation. Genomic selection (GS) is a new alternative that enables exploitation of within-family genetic variation. METHODS: We compared three GS models [single-step genomic best linear unbiased prediction (ssGBLUP), weighted ssGBLUP (wssGBLUP), and BayesB] to predict genomic-enabled breeding values (GEBV) for BCWD resistance in a commercial rainbow trout population, and compared the accuracy of GEBV to traditional estimates of breeding values (EBV) from a pedigree-based BLUP (P-BLUP) model...
February 1, 2017: Genetics, Selection, Evolution: GSE
https://www.readbyqxmd.com/read/28138396/how-much-will-older-adults-exercise-a-feasibility-study-of-aerobic-training-combined-with-resistance-training
#18
Ryan S Falck, Jennifer C Davis, Elizabeth Milosevic, Teresa Liu-Ambrose
BACKGROUND: Both aerobic training (AT) and resistance training (RT) have multidimensional health benefits for older adults including increased life expectancy and decreased risk of chronic diseases. However, the volume (i.e., frequency*time) of AT combined with RT in which untrained older adults can feasibly and safely participate remains unclear. Thus, our primary objective was to investigate the feasibility and safety of a high-volume exercise program consisting of twice weekly AT combined with twice weekly RT (i...
2017: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/28129278/loading-intensity-prediction-by-velocity-and-the-omni-res-0-10-scale-in-bench-press
#19
Fernando Naclerio, Eneko Larumbe-Zabala
Naclerio, F and Larumbe-Zabala, E. Loading intensity prediction by velocity and the OMNI-RES 0-10 scale in bench press. J Strength Cond Res 32(1): 323-329, 2017-This study examined the possibility of using movement velocity and the perceived exertion as indicators of relative load in the bench press (BP) exercise. A total of 308 young, healthy, resistance trained athletes (242 men and 66 women) performed a progressive strength test up to the one repetition maximum for the individual determination of the full load-velocity and load-exertion relationships...
February 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28118308/delayed-onset-muscle-soreness-and-perceived-exertion-following-blood-flow-restriction-exercise
#20
Christopher R Brandner, Stuart A Warmington
The purpose of this study was to determine the perceptual responses to resistance exercise with either heavy-loads (80% 1 repetition maximum [1-RM]), light-loads (20% 1-RM), or light-loads in combination with blood flow restriction (BFR). Despite the use of light-loads, it has been suggested that the adoption of BFR resistance exercise may be limited due to increases in delayed onset muscle soreness (DOMS) and perceived exertion. Seventeen healthy untrained males participated in this balanced, randomized cross-over study...
January 11, 2017: Journal of Strength and Conditioning Research
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