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https://www.readbyqxmd.com/read/28346857/the-influence-of-epicardial-fat-and-nonalcoholic-fatty-liver-disease-on-heart-rate-recovery-in-metabolic-syndrome
#1
Kyoung Im Cho, Eun Ah Jo, Sang Hoon Cho, Bo Hyun Kim
BACKGROUND: Epicardial adipose tissues reflecting visceral fat accumulations of the heart are associated with metabolic syndrome (MetS) and can be a predictor of other cardiometabolic diseases. It can adversely influence autonomic nervous system (ANS) of heart. Heart rate recovery (HRR) is an easy method for measuring ANS dysfunction. The purpose of this study was to determine whether epicardial fat thickness (EFT) and nonalcoholic fatty liver disease (NAFLD) are related to HRR in patients with MetS...
March 27, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28346689/peripheral-and-central-fatigue-after-high-intensity-resistance-circuit-training
#2
Gonzalo Márquez, Salvador Romero-Arenas, Cristian Marín-Pagán, Antonio Vera-Ibañez, Miguel FernáNdez Del Olmo, Wolfgang Taube
INTRODUCTION: The aim of this study was to investigate the effects of high intensity resistance circuit (HIRC) and traditional strength training (TST) on neuromuscular fatigue and metabolic responses. METHODS: Twelve trained young subjects performed HIRC and TST in a counterbalanced order with 1 week rest in-between. The amount of workload and the inter-set time for each local muscle group were matched (180 s), however, the time between successive exercises differed...
March 27, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28346237/current-and-future-pharmacologic-treatment-of-nonalcoholic-steatohepatitis
#3
Bubu A Banini, Arun J Sanyal
PURPOSE OF REVIEW: Nonalcoholic steatohepatitis (NASH), the aggressive form of nonalcoholic fatty liver disease (NAFLD), can progress to cirrhosis and hepatocellular cancer in 5-15% of patients and is rapidly becoming the leading cause for end-stage liver disease. Dietary caloric restriction and exercise, currently the cornerstone of therapy for NAFLD, can be difficult to achieve and maintain, underscoring the dire need for pharmacotherapy. This review presents the agents currently used in managing NAFLD and their pharmacologic targets...
March 24, 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/28345160/increasing-skeletal-muscle-carnitine-availability-does-not-alter-the-adaptations-to-high-intensity-interval-training
#4
Christopher E Shannon, Reza Ghasemi, Paul L Greenhaff, Francis B Stephens
Increasing skeletal muscle carnitine availability alters muscle metabolism during steady-state exercise in healthy humans. We investigated whether elevating muscle carnitine, and thereby the acetyl-group buffering capacity, altered the metabolic and physiological adaptations to 24 weeks of high-intensity interval training (HIIT) at 100% maximal exercise capacity (Wattmax ). Twenty-one healthy male volunteers (age 23±2 years; BMI 24.2±1.1 kg/m(2) ) performed 2x3 minute bouts of cycling exercise at 100% Wattmax , separated by five minutes rest...
March 27, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28344764/atypical-antipsychotics-recent-research-findings-and-applications-to-clinical-practice-proceedings-of-a-symposium-presented-at-the-29th-annual-european-college-of-neuropsychopharmacology-congress-19-september-2016-vienna-austria
#5
REVIEW
Robin Murray, Christoph U Correll, Gavin P Reynolds, David Taylor
Available evidence suggests that second-generation atypical antipsychotics are broadly similar to first-generation agents in terms of their efficacy, but may have a more favourable tolerability profile, primarily by being less likely to cause extrapyramidal symptoms. However, atypical antipsychotics are variably associated with disturbances in the cardiometabolic arena, including increased body weight and the development of metabolic syndrome, which may reflect differences in their receptor binding profiles...
March 2017: Therapeutic Advances in Psychopharmacology
https://www.readbyqxmd.com/read/28344449/the-effects-of-3-weeks-of-uphill-and-downhill-walking-on-blood-lipids-and-glucose-metabolism-in-pre-diabetic-men-a-pilot-study
#6
Marc Philippe, Hannes Gatterer, Erika Maria Eder, Alexander Dzien, Matthias Somavilla, Andreas Melmer, Christoph Ebenbichler, Tom Müller, Martin Burtscher
The prevention of type 2 diabetes in persons at risk for diabetes is of utmost importance. Physical activity in general and even exercises at moderate intensities such as walking significantly reduce the risk of the development of type 2 diabetes. However, it is still a matter of debate whether lipids and glucose metabolism are differently affected by regular concentric (e.g., uphill walking) and eccentric (e.g., downhill walking) endurance exercise. The aim of this study was to investigate the effects of short-term (3 weeks) uphill and downhill walking on glucose metabolism and blood lipids in pre-diabetic middle-aged men in a real world setting...
March 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28344345/gastric-bypass-surgery-with-exercise-alters-plasma-micrornas-that-predict-improvements-in-cardiometabolic-risk
#7
Y O N Lopez, P M Coen, B H Goodpaster, A A Seyhan
BACKGROUND/OBJECTIVES: Roux-en-Y gastric bypass (RYGB) surgery improves insulin sensitivity (SI) and β-cell function in obese non-diabetic subjects. Exercise also improves SI and may be an effective adjunct therapy to RYGB surgery. However, the mechanisms by which exercise or weight-loss improve peripheral SI after RYGB surgery are unclear. We hypothesized that microRNAs (miRNAs) mediate at least some of the regulatory processes driving such mechanisms. Consequently, this work aimed at profiling plasma miRNAs in participants of the Physical Activity Following Surgery Induced Weight Loss study (clinicaltrials...
March 27, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28344042/exercise-differentially-affects-metabolic-functions-and-white-adipose-tissue-in-female-letrozole-and-dihydrotestosterone-induced-mouse-models-of-polycystic-ovary-syndrome
#8
Rodrigo R Marcondes, Manuel Maliqueo, Romina Fornes, Anna Benrick, Min Hu, Niklas Ivarsson, Mattias Carlström, Samuel W Cushman, Karin G Stenkula, Gustavo A R Maciel, Elisabet Stener-Victorin
Here we hypothesized that exercise in dihydrotestosterone (DHT) or letrozole (LET)-induced polycystic ovary syndrome mouse models improves impaired insulin and glucose metabolism, adipose tissue morphology, and expression of genes related to adipogenesis, lipid metabolism, Notch pathway and browning in inguinal and mesenteric fat. DHT-exposed mice had increased body weight, increased number of large mesenteric adipocytes. LET-exposed mice displayed increased body weight and fat mass, decreased insulin sensitivity, increased frequency of small adipocytes and increased expression of genes related to lipolysis in mesenteric fat...
March 24, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28342901/the-sympathetic-neuro-adipose-connection-and-the-control-of-body-weight
#9
REVIEW
Inês Mahú, Ana I Domingos
In recent decades, obesity has become a global public health crisis irrespective of age or gender [21]. But according to historic records, concerns over appropriate maintenance of body size have been long established. For more than to 2 millennia, the main therapeutic approach to curb excess weight has been to recommend dietary restrictions and regular exercise (Haslam, 2016). Nevertheless, more contemporary studies indicate that the employment of such approaches in the treatment of severely obese patients causes metabolic adaptions which impair their long-term success in weight management [8]...
March 22, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28342064/hdl-cholesterol-reappraisal-of-its-clinical-relevance
#10
REVIEW
Winfried März, Marcus E Kleber, Hubert Scharnagl, Timotheus Speer, Stephen Zewinger, Andreas Ritsch, Klaus G Parhofer, Arnold von Eckardstein, Ulf Landmesser, Ulrich Laufs
BACKGROUND: While several lines of evidence prove that elevated concentrations of low-density lipoproteins (LDL) causally contribute to the development of atherosclerosis and its clinical consequences, high-density lipoproteins are still widely believed to exert atheroprotective effects. Hence, HDL cholesterol (HDL-C) is in general still considered as "good cholesterol". Recent research, however, suggests that this might not always be the case and that a fundamental reassessment of the clinical significance of HDL-C is warranted...
March 24, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28340292/combined-spiroergometry-and-31-p-mrs-of-human-calf-muscle-during-high-intensity-exercise
#11
K Moll, A Gussew, C Hein, N Stutzig, J R Reichenbach
Simultaneous measurements of pulmonary oxygen consumption (VO2 ), carbon dioxide exhalation (VCO2 ) and phosphorus magnetic resonance spectroscopy ((31) P-MRS) are valuable in physiological studies to evaluate muscle metabolism during specific loads. Therefore, the aim of this study was to adapt a commercially available spirometric device to enable measurements of VO2 and VCO2 whilst simultaneously performing (31) P-MRS at 3 T. Volunteers performed intense plantar flexion of their right calf muscle inside the MR scanner against a pneumatic MR-compatible pedal ergometer...
March 24, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28339342/change-in-body-weight-from-age-20-years-is-a-powerful-determinant-of-the-metabolic-syndrome
#12
Lars Lind, Sölve Elmståhl, Johan Ärnlöv
BACKGROUND: Higher body weight is a well-known determinant of the metabolic syndrome (MetS) and its components. It is however less well studied how the change in weight from age 20 years to middle age or old age affects MetS development. METHODS: In the community-based EpiHealth (n = 19,000, age range 45 to 75 years, 56% females) and PIVUS (n = 1000, all aged 70 years, 50% females) studies, the participants were asked about their body weight at age 20 years...
April 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28338405/physiological-responses-to-treadmill-running-with-body-weight-support-in-hypoxia-compared-to-normoxia
#13
Ben J Lee, Charles Douglas Thake
CONTEXT: Anecdotal reports suggest elite sports clubs combine lower body positive pressure (LBPP) rehabilitation with a hypoxic stimulus in order to maintain or increase physiological and metabolic strain, which are reduced during LBPP. However the effects of hypoxia on cardiovascular and metabolic response during LBPP rehabilitation is unknown. OBJECTIVE: Evaluate the use of normobaric hypoxia as a means to increase physiological strain during body weight supported (BWS) running...
March 24, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28338361/method-induced-differences-of-energy-contributions-in-adolescent-female-kayaking
#14
Yongming Li, Margot Niessen, Xiaoping Chen, Ulrich Hartmann
Purpose Different relative aerobic energy contribution (WAER%) has been reported for the two female Olympic kayaking disciplines (i.e. 200 and 500m). The purpose of this study was to investigate whether the adopted method of energy calculation influenced the value of WAER% during the kayaking time trials. Methods Eleven adolescent female kayakers (age 14±1 yrs, height 172±4 cm, body mass 65.4±4.2 kg, VO2peak 42.6±4.9 ml·min(-1)·kg(-1), training experience 1.5±0.3 yrs) volunteered to participate in one incremental exercise test and two time trials (40s and 120s) on the kayak ergometer...
March 24, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28337936/females-exposed-to-24%C3%A2-h-of-sleep-deprivation-do-not-experience-greater-physiological-strain-but-do-perceive-heat-illness-symptoms-more-severely-during-exercise-heat-stress
#15
Rebecca Relf, Ashley Willmott, Jessica Mee, Oliver Gibson, Arron Saunders, Mark Hayes, Neil Maxwell
There is limited and inconclusive evidence surrounding the physiological and perceptual responses to heat stress while sleep deprived, especially for females. This study aimed to quantify the effect of 24 h sleep deprivation on physiological strain and perceptual markers of heat-related illness in females. Nine females completed two 30-min heat stress tests (HST) separated by 48 h in 39°C, 41% relative humidity at a metabolic heat production of 10 W · kg(-1). The non-sleep deprived HST was followed by the sleep deprivation (SDHST) trial for all participants during the follicular phase of the menstrual cycle...
March 24, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28337657/hypovitaminosis-d-in-patients-with-heart-failure-effects-on-functional-capacity-and-patients-survival
#16
Federica Saponaro, Claudio Marcocci, Riccardo Zucchi, Concetta Prontera, Aldo Clerico, Marco Scalese, Sabina Frascarelli, Alessandro Saba, Claudio Passino
Chronic heart failure is a major cause of morbidity and mortality, but its prognosis remains poor. Vitamin D hormone has many extra-skeletal functions including a positive impact on the cardiovascular system, and has been proposed for mortality risk evaluation in heart failure patients. The aim of the present study was to evaluate vitamin D status in heart failure patients, measured by high performance liquid chromatography coupled with mass spectrometry and to correlate serum 25 hydroxy-vitamin D (25OHD) levels with functional (peak VO2%) and mortality (Metabolic Exercise Cardiac Kidney Index) heart failure parameters...
March 23, 2017: Endocrine
https://www.readbyqxmd.com/read/28336108/vitamin-d-increases-ppar%C3%AE-expression-and-promotes-beneficial-effects-of-physical-activity-in-metabolic-syndrome
#17
Rastegar Hoseini, Arsalan Damirchi, Parvin Babaei
OBJECTIVES: Peroxisome proliferator-activated receptor (PPAR) and vitamin D signaling pathways regulate a multitude of genes involved in different physiological functions. The aim of the present study was to examine the effects of vitamin D supplementation and aerobic training on metabolic syndrome and PPARγ expression. METHODS: Forty female ovariectomized rats were divided into five groups of aerobic training with high (OVX + Exe + HD), moderate (OVX + Exe + MD), and low dose of vitamin D (OVX + Exe + LD), aerobic training receving vehicle (sesame oil; OVX + Exe + oil), and sham-operated control (sham) groups...
April 2017: Nutrition
https://www.readbyqxmd.com/read/28333717/effect-of-resistance-exercise-on-muscle-metabolism-and-autophagy-in-sibm
#18
Jae-Hoon Jeong, Dae-Seung Yang, Dong-Ju Hwang, Joon-Yong Cho, Eun-Bum Kang
PURPOSE: Sporadic inclusion body myositis (sIBM), a muscular degenerative disease in the elderly, is an inflammatory myopathy characterized by muscle weakness in the wrist flexor, quadriceps, and tibialis anterior muscles. We aimed to identify the therapeutic effect of resistance exercise (RE) in improving sIBM symptoms in an sIBM animal model. METHODS: Six-week-old male Wistar rats were divided into a sham group (sham, n = 12), chloroquine-control group (CQ-con, n = 12), and chloroquine-RE group (CQ-RE, n = 12)...
March 23, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28332117/fructose-metabolism-from-a-functional-perspective-implications-for-athletes
#19
REVIEW
Luc Tappy, Robin Rosset
Substantial amounts of fructose are present in our diet. Unlike glucose, this hexose cannot be metabolized by most cells and has first to be converted into glucose, lactate or fatty acids by enterocytes, hepatocytes and kidney proximal tubule cells, which all express specific fructose-metabolizing enzymes. This particular metabolism may then be detrimental in resting, sedentary subjects; however, this may also present some advantages for athletes. First, since fructose and glucose are absorbed through distinct, saturable gut transporters, co-ingestion of glucose and fructose may increase total carbohydrate absorption and oxidation...
March 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28329785/beet-root-juice-an-ergogenic-aid-for-exercise-and-the-aging-brain
#20
Meredith Petrie, W Jack Rejeski, Swati Basu, Paul J Laurienti, Anthony P Marsh, James L Norris, Daniel B Kim-Shapiro, Jonathan H Burdette
Background: Exercise has positive neuroplastic effects on the aging brain. It has also been shown that ingestion of beet root juice (BRJ) increases blood flow to the brain and enhances exercise performance. Here, we examined whether there are synergistic effects of BRJ and exercise on neuroplasticity in the aging brain. Methods: Peak metabolic equivalent (MET) capacity and resting-state magnetic resonance imaging functional brain network organization are reported on 26 older (mean age = 65...
November 9, 2016: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
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