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https://www.readbyqxmd.com/read/28079706/ibuprofen-before-exercise-does-not-prevent-cortical-bone-adaptations-to-training
#1
Vanessa D Sherk, R Dana Carpenter, Erin D Giles, Janine A Higgins, Robera M Oljira, Ginger C Johnson, Samuel Mills, Paul S MacLean
: Using a nonsteroidal anti-inflammatory drug (NSAID) before a single bout of mechanical loading can reduce bone formation response. It is unknown whether this translates to an attenuation of bone strength and structural adaptations to exercise training. PURPOSE: To determine whether NSAID use before exercise prevents increases in bone structure and strength in response to weight-bearing exercise. METHODS: Adult female Wistar rats (n=43) were randomized to Ibuprofen (IBU) or Vehicle (VEH) and Exercise (EX) or Sedentary (SED) groups in a 2x2 (drug, activity) ANCOVA design with body weight as the covariate, and data are reported as mean±SE...
January 10, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28079671/outcomes-of-exercise-training-following-the-use-of-a-birthing-ball-during-pregnancy-and-delivery
#2
Danielle Fournier, Gloria Feeney, Marie-Eve Mathieu
INTRODUCTION: Using a birthing ball (BB) is an exercise form that is growing in popularity. Improved delivery outcomes have been recently reported with as little a 6-8 hours of training per week; however, little is known regarding lower and higher training levels. The aim of the current study was to document whether more time spent training with a BB resulted in improved delivery outcomes for the mother and the newborn. METHODS: This quasi-experimental study was conducted with a sample of women who participated in one to 28 supervised exercise classes during pregnancy according to the Ballon Forme program offered in non-clinical settings (http://ballonforme...
January 4, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28078668/mitochondrial-adaptations-to-exercise-in-human-skeletal-muscle-a-possible-role-for-cristae-density-as-a-determinant-of-muscle-fitness
#3
Christopher G R Perry
Skeletal muscle possesses a remarkable plasticity in response to repeated exercise challenges (i.e. exercise 'training'). A hallmark phenotypic change is an increase in the ability to sustain contraction and resist fatigue. Such increased muscle endurance is linked, in part, to an improved ability to sustain ATP synthesis aerobically through coordinated enhancements in the delivery of oxygen (e.g. cardiorespiratory, vascular adaptations) and its utilization within skeletal muscle mitochondria for the oxidation of fat and carbohydrates...
January 11, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28075500/very-short-short-term-benefit-of-inpatient-outpatient-cardiac-rehabilitation-programs-after-coronary-artery-bypass-grafting-surgery
#4
Dejan Spiroski, Mojsije Andjić, Olivera Ilić Stojanović, Milica Lazović, Ana Djordjević Dikić, Miodrag Ostojić, Branko Beleslin, Snežana Kostić, Marija Zdravković, Dragan Lović
BACKGROUND: Exercise-based rehabilitation is an important part of treatment patients following coronary artery bypass graft (CABG) surgery. HYPOTHESIS: To evaluate effect of very short/short-term exercise training on cardiopulmonary exercise testing (CPET) parameters. METHODS: We studied 54 consecutive patients with myocardial infarction (MI) treated with CABG surgery referred for rehabilitation. The study population consisted of 50 men and 4 women (age 57...
January 11, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28075422/inflammation-cardiometabolic-markers-and-functional-changes-in-a-randomized-controlled-trial-of-a-12-month-exercise-program-for-prostate-cancer-men
#5
Katarzyna Hojan, Eliza Kwiatkowska-Borowczyk, Ewa Leporowska, Piotr Milecki
INTRODUCTION    Previous studies have shown that physical exercise in cancer patients during radiotherapy (RT) and androgen deprivation therapy (ADT) improves cardiac fitness and quality of life (QoL), and reduces fatigue but it is still not entirely known how it affects inflammation or metabolic factors and what its consequences are in prostate cancer (PCa) patients. OBJECTIVES    Effect of a 12-month physical exercise program on inflammatory and cardiometabolic factors, and on functional status in PCa patients undergoing RT and ADT...
January 10, 2017: Polskie Archiwum Medycyny Wewnętrznej
https://www.readbyqxmd.com/read/28074875/from-an-indirect-response-pharmacodynamic-model-towards-a-secondary-signal-model-of-dose-response-relationship-between-exercise-training-and-physical-performance
#6
Thierry Busso
The aim of this study was to test the suitability of using indirect responses for modeling the effects of physical training on performance. We formulated four different models assuming that increase in performance results of the transformation of a signal secondary to the primary stimulus which is the training dose. The models were designed to be used with experimental data with daily training amounts ascribed to input and performance measured at several dates ascribed to output. The models were tested using data obtained from six subjects who trained on a cycle ergometer over a 15-week period...
January 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28072631/terbutaline-accumulates-in-blood-and-urine-following-daily-therapeutic-inhalation
#7
Nanna Krogh, Sebastian Rzeppa, Anders Dyreborg, Yvette Dehnes, Peter Hemmersbach, Vibeke Backer, Morten Hostrup
PURPOSE: This study investigated pharmacokinetics of terbutaline after single and seven consecutive days of inhalation in exercising trained men. METHODS: Twelve healthy young trained men underwent two pharmacokinetic trials comparing single dose (2 mg) and seven consecutive days (2 mg×d) of inhaled terbutaline. After inhalation of terbutaline at each trial, subjects performed 90 min of bike ergometer exercise at 65% of maximal oxygen consumption after which they stayed inactive...
January 9, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28072585/arterial-ventricular-uncoupling-with-age-and-disease-and-recoupling-with-exercise
#8
Paul D Chantler
The deterioration in arterial and cardiac function with aging impairs arterial ventricular coupling, an important determinant of cardiovascular performance. However, exercise training improves arterial ventricular coupling especially during exercise during the age and disease process. This review examines the concept of arterial-ventricular coupling, and how age, and disease uncouples but exercise training recouples the heart and arterial system.
January 9, 2017: Exercise and Sport Sciences Reviews
https://www.readbyqxmd.com/read/28070911/effects-of-exercise-training-on-brain-derived-neurotrophic-factor-in-skeletal-muscle-and-heart-of-rats-post-myocardial-infarction
#9
Heow Won Lee, Monir Ahmad, Hong-Wei Wang, Frans H H Leenen
Exercise training post myocardial infarction (MI) attenuates progressive left ventricle (LV) remodeling and dysfunction, but the peripheral stimuli induced by exercise which trigger these beneficial effects are still unclear. We investigated as possible mediators fibronectin type III domain-containing protein 5 (FNDC5) and brain-derived neurotrophic factor (BDNF) in the skeletal muscle and heart. Male Wistar rats underwent either sham surgery or ligation of left descending coronary artery, and surviving MI rats were allocated to either sedentary (Sed-MI) or exercise group (ExT-MI)...
January 9, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28069473/high-intensity-training-improves-global-and-segmental-strains-in-severe-congestive-heart-failure
#10
Yair Blumberg, Offir Ertracht, Itai Gershon, Noa Bachner-Hinenzon, Tali Reuveni, Shaul Atar
BACKGROUND: High intensity training (HIT) is superior to moderate aerobic training (MAT) for improving quality of life in congestive heart failure (CHF) patients. Speckle tracking echocardiography (STE) has recently been suggested for estimation of left ventricle global and regional function. AIMS: We evaluated the utility of STE for characterizing differences in cardiac function following MAT or HIT in a CHF rat model. METHODS AND RESULTS: Following baseline physiological assessment, CHF was induced by coronary artery ligation in Sprague-Dawley rats...
January 6, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28065709/-the-exercise-training-restores-the-heart-rate-variability-in-heart-failure-patients-a-systematic-review
#11
Victoria Segovia, Carlos Manterola, Marcelo González, Iván Rodríguez-Núñez
: Cardiovascular diseases are an important cause of morbidity and mortality in the general population. In this sense the autonomic imbalance is the cornerstone of the physiopathology underlying the development of these diseases. The aim of this study was to determine the efficacy of exercise training on heart rate variability (HRV) in adult patients with chronic heart failure. METHODOLOGY: A systematic literature review was conducted on electronic databases. The considered studies were randomized clinical trials, quasi-experimental studies with non-randomized control group, quasi-experimental studies with analysis of pre and post intervention and crossover studies with randomly assigned training and detraining periods...
January 5, 2017: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/28061145/effects-of-exercise-on-carotid-arterial-wall-thickness-in-obese-pediatric-populations-a-meta-analysis-of-randomized-controlled-trials
#12
Antonio García-Hermoso, Katherine González-Ruiz, Hector Reynaldo Triana-Reina, Jordi Olloquequi, Robinson Ramírez-Vélez
BACKGROUND: In pediatric populations, the use of carotid intima-media thickness (IMT) as a marker of cardiovascular risk has increased. However, previous studies examining the effects of exercise training on arterial structure and function in obese children and adolescents have shown inconsistent findings. The primary aim of this systematic review and meta-analysis is to expand on the current body of literature by providing a quantitative estimate of the change in carotid IMT following exercise training as well as to provide an exploratory analysis of potential moderators associated with the variation in response to an exercise training intervention in overweight and obese youth...
January 6, 2017: Childhood Obesity
https://www.readbyqxmd.com/read/28060442/effects-of-6%C3%A2-months-of-aerobic-and-resistance-exercise-training-on-carotid-artery-intima-media-thickness-in-overweight-and-obese-older-women
#13
Jinkee Park, Hyuntea Park
AIM: We studied the effects of exercise on carotid intima-media thickness, luminal diameter, and flow velocity in overweight and obese older women, and the associations between carotid parameters changes and other variables. METHODS: A total of 41 overweight and obese older women (aged 65-77 years, fat mass percent ≥ 32%), who were divided into a control group (n = 20) and a supervised combined exercise group (n = 21). The 24-week combined exercise program (aerobic and resistance exercise) consisted of sessions 40-80 min in length 5 days per week under the supervision of an exercise specialist...
January 6, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28059803/whole-body-vibration-wbv-following-spinal-cord-injury-sci-in-rats-timing-of-intervention
#14
Marilena Manthou, Diana Saad Yousif Abdulla, Stoyan Pavlov Pavlov, Ramona Jansen, Habib Bendella, Klaus Nohroudi, Gregor Stein, Carolin Mmeyer, Ozlem Ozsoy, Umut Ozsoy, Yasemin Behram Kandemir, Levent Sarikcioglu, Oliver Semler, Eckhard Schoenau, Sarah Dunlop, Doychin Nikolov Angelov
BACKGROUND: Following spinal cord injury (SCI), exercise training provides a wide range of benefits and promotes activity-dependent synaptic plasticity. Whole body vibration (WBV) in SCI patients improves walking and spasticity as well as bone and muscle mass. However, little is known about the effects of timing or frequency of intervention. OBJECTIVE: To determine which WBV-onset improves locomotor and bladder functions and influences synaptic plasticity beneficially...
January 4, 2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/28058230/outcomes-in-randomized-controlled-trials-of-exercise-interventions-in-solid-organ-transplant
#15
Tania Janaudis-Ferreira, Sunita Mathur, Stacey Konidis, Catherine M Tansey, Cecile Beaurepaire
AIM: To identify the outcome measures that have been used in randomized controlled trials (RCTs) of exercise training in solid organ transplant (SOT) recipients and to link these outcomes to the International Classification of Functioning, Disability and Health (ICF) framework. METHODS: Electronic literature searches of MEDLINE, EMBASE, CINAHL, Cochrane, Scopus, and Web of Science were performed. We sought RCTs that investigated the effect of exercise training in SOT recipients...
December 24, 2016: World Journal of Transplantation
https://www.readbyqxmd.com/read/28056786/immune-adaptation-to-chronic-intense-exercise-training-new-microarray-evidence
#16
Dongmei Liu, Ru Wang, Ana R Grant, Jinming Zhang, Paul M Gordon, Yuqin Wei, Peijie Chen
BACKGROUND: Endurance exercise training, especially the high-intensity training, exhibits a strong influence on the immune system. However, the mechanisms underpinning the immune-regulatory effect of exercise remain unclear. Consequently, we chose to investigate the alterations in the transcriptional profile of blood leukocytes in young endurance athletes as compared with healthy sedentary controls, using Affymetrix human gene 1.1 ST array. RESULTS: Group differences in the transcriptome were analyzed using Intensity-based Hierarchical Bayes method followed by a Logistic Regression-based gene set enrichment method...
January 5, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28054322/creatine-loading-does-not-preserve-muscle-mass-or-strength-during-leg-immobilization-in-healthy-young-males-a-randomized-controlled-trial
#17
Evelien M P Backx, Roland Hangelbroek, Tim Snijders, Marie-Louise Verscheijden, Lex B Verdijk, Lisette C P G M de Groot, Luc J C van Loon
BACKGROUND: A short period of leg immobilization leads to rapid loss of muscle mass and strength. Creatine supplementation has been shown to increase lean body mass in active individuals and can be used to augment gains in muscle mass and strength during prolonged resistance-type exercise training. OBJECTIVE: Our objective was to investigate whether creatine loading can attenuate the loss of muscle mass and strength during short-term leg immobilization. METHODS: Healthy young men (n = 30; aged 23 ± 1 years; body mass index [BMI] 23...
January 5, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28053820/effects-of-different-concurrent-resistance-and-aerobic-training-frequencies-on-muscle-power-and-muscle-quality-in-trained-elderly-men-a-randomized-clinical-trial
#18
Rodrigo Ferrari, Sandra C Fuchs, Luiz Fernando Martins Kruel, Eduardo Lusa Cadore, Cristine Lima Alberton, Ronei Silveira Pinto, Régis Radaelli, Maira Schoenell, Mikel Izquierdo, Hirofumi Tanaka, Daniel Umpierre
Muscle power is a strong predictor of functional status in the elderly population and is required to perform different daily activities. To compare the effects of different weekly training frequencies on muscle power and muscle quality induced by concurrent training (resistance + aerobic) in previously trained elderly men. Twenty-four trained elderly men (65 ± 4 years), previously engaged in a regular concurrent training program, three times per week, for the previous five months, were randomly allocated to concurrent training programs in which training was performed either twice a week (2·week(-1), n = 12) or three times per week (3·week(-1), n = 12)...
December 2016: Aging and Disease
https://www.readbyqxmd.com/read/28039898/response-of-arterial-stiffness-four-weeks-ater-terminating-short-term-aerobic-exercise-training-in-a-sedentary-lifestyle
#19
Murat Baykara, Adnan Demirel, İhsan Yavuzatmaca, Mehmet Bilgen
OBJECTIVES: The purpose of this study was to investigate the response of arterial stiffness in individuals with a sedentary lifestyle at 4 weeks after terminating a 2-week aerobic exercise session. METHODS: Arterial stiffness was evaluated in 38 participants before starting and after completing a prescribed aerobic exercise program and also at 4 weeks after returning back to their sedentary lifestyle. Parameters regarding arterial compliance, distensibility, wall stress, and the elastic modulus were estimated from the information gained from sonography on the dimensions of carotid and femoral arteries and a sphygmomanometer on the pulse pressure...
December 31, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28039193/short-term-intense-exercise-training-reduces-stress-markers-and-alters-the-transcriptional-response-to-exercise-in-skeletal-muscle
#20
James Matthew Hinkley, Adam R Konopka, Miranda K Suer, Matthew P Harber
The purpose of this investigation was to examine the influence of short-term intense endurance training on cycling performance, along with the acute and chronic signaling responses of skeletal muscle stress and stability markers. Ten recreationally active subjects (25 ± 2 yr, 79 ± 3 kg, 47 ± 2 ml·kg·min-1) were studied before and after a 12-day cycling protocol to examine the effects of short-term intense (70-100% VO2max) exercise training on resting and exercise-induced regulation of molecular factors related to skeletal muscle cellular stress and protein stability...
December 30, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
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