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hormonal and exercise

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https://www.readbyqxmd.com/read/28428736/simple-sugar-supplementation-abrogates-exercise-induced-increase-in-hepcidin-in-young-men
#1
Maja Tomczyk, Jakub Kortas, Damian Flis, Wojciech Skrobot, Rafal Camilleri, Jedrzej Antosiewicz
BACKGROUND: At present many young people experience too much body iron accumulation. The reason of this phenomenon is not clear. There is accumulating evidences that not proper diet and lack of exercise could be a main contributing factors. This investigation assessed the effects of a diet rich in simple sugars (glucose or fructose) on exercise-induced hepcidin which is hormone regulating iron metabolism. METHODS: A group of physically active young men completed an incremental exercise test before and after a 3-day diet supplemented with fructose (4 g/kg BM) or glucose (4 g/kg BM)...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28428077/molecular-bases-of-the-crosstalk-between-bone-and-muscle
#2
Gerard Karsenty, Paula Mera
Exercise is an evolutionary conserved survival function that nowadays has beneficial health effects. The increased metabolic activity of contracting skeletal muscle affects the biology of many organs involved in regulating muscle functions. The discovery of hormones and cytokines secreted by bone and skeletal muscle during exercise, has recently added experimental credence to the notion that a crosstalk exists between these organs. Bone through the hormone osteocalcin, promotes exercise capacity in the mouse...
April 17, 2017: Bone
https://www.readbyqxmd.com/read/28423014/initial-systemic-inflammatory-state-perturbs-exercise-training-adaptations-in-elite-taekwondo-athletes
#3
Chung-Yu Chen, Yi-Hung Liao, Chun-Chung Chou, Yu-Chi Sung, Shiow-Chwen Tsai
PURPOSE: This study examined ten-week TKD-specific training effects on aerobic capacity, body composition, hormone responses and hematological parameters in elite TKD athletes with varied initial inflammatory states. METHODS: Twenty-two elite college TKD athletes were divided into two groups according to their initial neutrophils-to-lymphocytes ratio (NLR) values: Low NLR (N = 11, 9M/2F, age: 21.6 ± 1.0 yrs; NLR: 1.3 ± 0.2) and High NLR (N = 11, 8M/3F, age: 22...
2017: PloS One
https://www.readbyqxmd.com/read/28421200/detection-of-urine-metabolites-in-a-rat-model-of-chronic-fatigue-syndrome-before-and-after-exercise
#4
Changzhuan Shao, Yiming Ren, Zinan Wang, Chenzhe Kang, Hongke Jiang, Aiping Chi
Purpose. The aim of the present study was to elucidate the metabolic mechanisms associated with chronic fatigue syndrome (CFS) via an analysis of urine metabolites prior to and following exercise in a rat model. Methods. A rat model of CFS was established using restraint-stress, forced exercise, and crowded and noisy environments over a period of 4 weeks. Behavioral experiments were conducted in order to evaluate the model. Urine metabolites were analyzed via gas chromatography-mass spectrometry (GC-MS) in combination with multivariate statistical analysis before and after exercise...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28420905/effects-of-supervised-aerobic-training-on-the-levels-of-anti-mullerian-hormone-and-adiposity-measures-in-women-with-normo-ovulatory-and-polycystic-ovary-syndrome
#5
Einas Al-Eisa, Sami Ali Gabr, Ahmad Hieder Alghadir
OBJECTIVE: To evaluate the change in the levels of anti-Mullerian hormone, adiponectin, weight loss and fertility parameters in obese women with or without polycystic ovary syndrome, following 12 weeks of supervised aerobic exercise. METHODS: This study was conducted from August 2013 to October 2014 among obese women with or without polycystic ovary syndrome referred to Obstetrics and Gynecology clinic, Mansoura University Hospital, Faculty of Medicine, Mansoura, Egypt...
April 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28420673/a-single-bout-of-high-intensity-interval-training-reduces-awareness-of-subsequent-hypoglycemia-in-patients-with-type-1-diabetes
#6
Hanne M Rooijackers, Evita C Wiegers, Marinette van der Graaf, Dick H Thijssen, Roy P C Kessels, Cees J Tack, Bastiaan E de Galan
High-intensity interval training (HIIT) gains increasing popularity in patients with diabetes. HIIT acutely increases plasma lactate levels. This may be important, since administration of lactate during hypoglycemia suppresses symptoms and counterregulation, whilst preserving cognitive function. We tested the hypothesis that HIIT acutely reduces awareness of hypoglycemia and attenuates hypoglycemia-induced cognitive dysfunction. In a randomized crossover trial, patients with type 1 diabetes and normal awareness of hypoglycemia (NAH), patients with impaired awareness of hypoglycemia (IAH), and healthy participants (n=10 per group) underwent a hyperinsulinemic-hypoglycemic (2...
April 18, 2017: Diabetes
https://www.readbyqxmd.com/read/28413771/management-of-aromatase-inhibitor-associated-bone-loss-aibl-in-postmenopausal-women-with-hormone-sensitive-breast-cancer-joint-position-statement-of-the-iof-cabs-ects-ieg-esceo-ims-and-siog
#7
REVIEW
Peyman Hadji, Matti S Aapro, Jean-Jacques Body, Michael Gnant, Maria Luisa Brandi, Jean Yves Reginster, M Carola Zillikens, Claus-C Glüer, Tobie de Villiers, Rod Baber, G David Roodman, Cyrus Cooper, Bente Langdahl, Santiago Palacios, John Kanis, Nasser Al-Daghri, Xavier Nogues, Erik Fink Eriksen, Andreas Kurth, Rene Rizzoli, Robert E Coleman
BACKGROUND: Several guidelines have been reported for bone-directed treatment in women with early breast cancer (EBC) for averting fractures, particularly during aromatase inhibitor (AI) therapy. Recently, a number of studies on additional fracture related risk factors, new treatment options as well as real world studies demonstrating a much higher fracture rate than suggested by randomized clinical controlled trials (RCTs). Therefore, this updated algorithm was developed to better assess fracture risk and direct treatment as a position statement of several interdisciplinary cancer and bone societies involved in the management of AI-associated bone loss (AIBL)...
June 2017: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28407637/pneumatic-compression-but-not-exercise-can-avoid-intradialytic-hypotension-a-randomized-trial
#8
Valeria R C Álvares, Camila D Ramos, Benedito J Pereira, Ana Lucia Pinto, Rosa M A Moysés, Bruno Gualano, Rosilene M Elias
BACKGROUND: Conventional hemodialysis (HD) is associated with dialysis-induced hypotension (DIH) and ineffective phosphate removal. As the main source of extracellular fluid removed during HD are the legs, we sought to reduce DIH and increase phosphate removal by using cycling and pneumatic compression, which would potentially provide higher venous return, preserving central blood flow and also offering more phosphate to the dialyzer. METHODS: We evaluated 21 patients in a randomized crossover fashion in which each patient underwent 3 different HD: control; cycling exercise during the first 60 min; and pneumatic compression during the first 60 min...
April 14, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28400506/acute-elevations-in-serum-hormones-are-attenuated-after-chronic-training-with-traditional-isoinertial-but-not-accentuated-eccentric-loads-in-strength-trained-men
#9
Simon Walker, Keijo Häkkinen, Guy Gregory Haff, Anthony J Blazevich, Robert U Newton
It has been proposed that the maintenance of acute hormonal responses reveal an efficacy of a training stimulus to evoke ongoing increases in strength and muscle mass. We previously observed that maximum strength continued to improve throughout a 10-week period in an accentuated eccentric loading group (AEL) but not a traditional isoinertial loading (ISO) group. Therefore, this study investigated whether the magnitude of acute hormonal responses was greater (i.e., maintained) in AEL compared to ISO at the end of the training period...
April 2017: Physiological Reports
https://www.readbyqxmd.com/read/28400207/the-safety-and-efficacy-of-growth-hormone-secretagogues
#10
REVIEW
John T Sigalos, Alexander W Pastuszak
INTRODUCTION: Growth hormone (GH) increases lean body mass, decreases fat mass, increases exercise tolerance and maximum oxygen uptake, enhances muscle strength, and improves linear growth. Long-term studies of GH administration offer conflicting results on its safety, which has led to strict Food and Drug Administration criteria for GH use. The potential drawbacks of exogenous GH use are believed to be due in part to impaired regulatory feedback. AIM: To review the literature on GH secretagogues (GHSs), which include GH-releasing peptides and the orally available small-molecule drug ibutamoren mesylate...
April 8, 2017: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/28398946/high-intensity-interval-training-appetite-and-reward-value-of-food-in-the-obese
#11
Catia Martins, Irina Aschehoug, Marit Ludviksen, Jens Holst, Graham Finlayson, Ulrik Wisloff, Linda Morgan, Neil King, Bård Kulseng
PURPOSE: Studies on the impact of chronic interval training on appetite in the obese population are scarce. The aim of this study was to determine the effect of 12 weeks of isocaloric programs of moderate-intensity continuous training (MICT) or high-intensity interval training (HIIT), or a short-duration HIIT (1/2HIIT), on subjective feelings of appetite, appetite-related hormones and reward value of food in sedentary obese individuals. METHODS: Forty-six sedentary obese individuals (30 women and 16 men), with a BMI of 33...
April 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28394547/influence-of-male-obesity-on-fertility
#12
Miro Kasum, Sonja Anić-Jurica, Ermin Čehić, Tajana Klepac-Pulanić, Josip Juras, Kristina Žužul
The aim of this review is to analyze current diagnostic approaches to obesity in adult men, the potential mechanisms linking obesity to infertility, and treatment options aimed at improving reproductive health. Obesity has become a worldwide epidemic with the estimated prevalence increasing from 28.8% to 36.9% between 1980 and 2013. In terms of diagnosis, numerous simple techniques have been developed including body mass index, waist to hip ratio, waist circumference, bioelectrical impedance analysis, ultrasound and skinfold measurements...
June 2016: Acta Clinica Croatica
https://www.readbyqxmd.com/read/28389217/supplementation-with-a-low-dose-of-octopamine-does-not-influence-endurance-cycling-performance-in-recreationally-active-men
#13
Ross E Beaumont, Philip Cordery, Lewis J James, Phillip Watson
OBJECTIVES: The aim of this study was to examine the influence of octopamine supplementation on endurance performance and exercise metabolism. DESIGN: Double-blind cross-over study. METHODS: Ten healthy, recreationally active men (Mean±SD; age: 24±2 years; body mass: 78.4±8.7kg; VO2peak: 50.5±6.8 mLkg(-1)min(-1)) completed one VO2peak test, one familiarisation trial and two experimental trials. After an overnight fast, participants ingested either a placebo or 150mg of octopamine 60min prior to exercise...
March 21, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28389056/effects-of-adipokines-and-obesity-on-uterine-contractility
#14
REVIEW
Henri Azaïs, Audrey Leroy, Louise Ghesquiere, Philippe Deruelle, Sandy Hanssens
Obesity is a major public health problem. The prevalence of obesity has significantly increased in developed countries, particularly in France with an overall increase of 76% over the last 15 years. In pregnant women, obesity is associated with alterations in the quality of labor, such as delayed onset of labor, a higher rate of prolonged pregnancies, prolonged labor, and higher oxytocin requirements. There is also an increased prevalence of Cesarean sections, particularly during the active phase of labor, and perinatal complications (postpartum hemorrhage)...
January 13, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/28384857/assessment-of-musculoskeletal-strength-and-levels-of-fatigue-during-different-phases-of-menstrual-cycle-in-young-adults
#15
L C Pallavi, Urban John D Souza, G Shivaprakash
INTRODUCTION: Some of the physiological factors and athletic performance might show variation along the phases of menstrual cycle. The alterations seen in these physiological parameters of various systems relating to oscillations in hormonal levels do affect the autonomic nervous system and metabolic functions. Former studies heave inconclusively about the influence of hormones on exercise performance, predominantly muscle strength and rate of fatigue during different phases of the menstrual cycle...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28379172/very-low-volume-sprint-interval-exercise-suppresses-subjective-appetite-lowers-acylated-ghrelin-and-elevates-glp-1-in-overweight-individuals-a-pilot-study
#16
Adrian Holliday, Andrew K Blannin
High-intensity exercise has been shown to elicit a transient suppression of appetite and create a more anorexigenic profile of appetite-associated hormones. It is yet to be fully elucidated whether such a response is observed following very low-volume, intermittent exercise at supramaximal intensity in those who are overweight. Eight overweight individuals (BMI 27.7 ± 1.7 kg·m²) completed resting (REST) and exercise (EX) trials in a counterbalanced order. EX consisted of 4 × 30 s "flat-out" cycling on an ergometer (adapted Wingate test)...
April 5, 2017: Nutrients
https://www.readbyqxmd.com/read/28377392/effects-of-testosterone-and-evoked-resistance-exercise-after-spinal-cord-injury-terex-sci-study-protocol-for-a-randomised-controlled-trial
#17
Ashraf S Gorgey, Refka E Khalil, Ranjodh Gill, Laura C O'Brien, Timothy Lavis, Teodoro Castillo, David X Cifu, Jeannie Savas, Rehan Khan, Christopher Cardozo, Edward J Lesnefsky, David R Gater, Robert A Adler
INTRODUCTION: Individuals with spinal cord injury (SCI) are at a lifelong risk of obesity and chronic metabolic disorders including insulin resistance and dyslipidemia. Within a few weeks of injury, there is a significant decline in whole body fat-free mass, particularly lower extremity skeletal muscle mass, and subsequent increase in fat mass (FM). This is accompanied by a decrease in anabolic hormones including testosterone. Testosterone replacement therapy (TRT) has been shown to increase skeletal muscle mass and improve metabolic profile...
April 4, 2017: BMJ Open
https://www.readbyqxmd.com/read/28375209/stress-and-adolescent-hippocampal-neurogenesis-diet-and-exercise-as-cognitive-modulators
#18
REVIEW
C M Hueston, J F Cryan, Y M Nolan
Adolescence is a critical period for brain maturation. Deciphering how disturbances to the central nervous system at this time affect structure, function and behavioural outputs is important to better understand any long-lasting effects. Hippocampal neurogenesis occurs during development and continues throughout life. In adulthood, integration of these new cells into the hippocampus is important for emotional behaviour, cognitive function and neural plasticity. During the adolescent period, maturation of the hippocampus and heightened levels of hippocampal neurogenesis are observed, making alterations to neurogenesis at this time particularly consequential...
April 4, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28374732/-the-comprehensive-approach-to-the-rehabilitative-treatment-of-junior-athletes
#19
N P Stepanenko, T E Levitskaya, E A Tsekhmeistruk, N A Tren'kaeva, S V Tyulyupo, O V Dostovalova, S V Kremeno, S S Shakhova, V D Chekcheeva
AIM: The objective of the present study was the development of the comprehensive program for the medico-psychological follow-up of the male and female junior athletes (rhythmic gymnastics) with the purpose of stabilizing their hormonal and emotional status, as well as improving sport performances based on the use of modern hardware-software technologies. MATERIAL AND METHODS: The comprehensive examination of 72 female athletes at the mean age of 11.5±0.6 years attending R...
2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/28372952/the-elipse-balloon-a-swallowable-gastric-balloon-for-weight-loss-not-requiring-sedation-anesthesia-or-endoscopy-a-pilot-study-with-12-month-outcomes
#20
Ioannis Raftopoulos, Andreas Giannakou
BACKGROUND: The Elipse Balloon is a swallowable gastric balloon for weight loss that can be deployed without the use of endoscopy or anesthesia. This study aims to report on 12-month safety and efficacy outcomes. SETTING: Private hospital, Athens, Greece. METHODS: This was a prospective, nonrandomized open trial. Twelve patients between 18 and 64 years of age with a body mass index (BMI) of 27.0 to 40.0 kg/m(2) were enrolled. The Elipse capsule is swallowed with water and its location in the stomach is confirmed by x-ray...
February 21, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
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