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Protein intake after exercise

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https://www.readbyqxmd.com/read/28422532/effects-of-post-exercise-protein-intake-on-muscle-mass-and-strength-during-resistance-training-is-there-an-optimal-ratio-between-fast-and-slow-proteins
#1
Marina Fabre, Christophe Hausswirth, Eve Tiollier, Odeline Molle, Julien Louis, Alexandre Durguerian, Nathalie Neuveux, Xavier Bigard
While effects of the two classes of proteins found in milk (i.e. soluble proteins, including whey, and casein) on muscle protein synthesis have been well investigated after a single bout of resistance exercise (RE), the combined effects of these two proteins on the muscle responses to resistance training (RT) have not yet been investigated. Therefore, the aim of this study was to examine the effects of protein supplementation varying by the ratio between milk soluble proteins (fast-digested protein) and casein (slow-digested protein) on the muscle to a 9-week RT program...
April 19, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28388372/protein-delivery-in-the-intensive-care-unit-optimal-or-suboptimal
#2
Daren K Heyland, Peter J M Weijs, Jorge A Coss-Bu, Beth Taylor, Arnold S Kristof, Grant E O'Keefe, Robert G Martindale
Emerging evidence suggests that exogenous protein/amino acid supplementation has the potential to improve the recovery of critically ill patients. After a careful review of the published evidence, experts have concluded that critically ill patients should receive up to 2.0-2.5 g/kg/d of protein. Despite this, however, recent review of current International Nutrition Survey data suggests that protein in critically ill patients is underprescribed and grossly underdelivered. Furthermore, the survey suggests that most of protein administration comes from enteral nutrition (EN) despite the availability of products and protocols that enhance the delivery of protein/amino acids in the intensive care unit (ICU) setting...
April 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28386239/skeletal-muscle-myomir-are-differentially-expressed-by-endurance-exercise-mode-and-combined-essential-amino-acid-and-carbohydrate-supplementation
#3
Lee M Margolis, Holly L McClung, Nancy E Murphy, Christopher T Carrigan, Stefan M Pasiakos
Skeletal muscle microRNAs (myomiR) expression is modulated by exercise, however, the influence of endurance exercise mode, combined with essential amino acid and carbohydrate (EAA+CHO) supplementation are not well defined. This study determined the effects of weighted versus non-weighted endurance exercise, with or without EAA+CHO ingestion on myomiR expression and their association with muscle protein synthesis (MPS). Twenty five adults performed 90 min of metabolically-matched (2.2 VO2 L·m(-1)) load carriage (LC; performed on a treadmill wearing a vest equal to 30% of individual body mass) or cycle ergometry (CE) exercise, during which EAA+CHO (10 g EAA and 46 g CHO) or non-nutritive control (CON) drinks were consumed...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28360981/association-between-the-awareness-of-dyslipidemia-and-health-behavior-for-control-of-lipid-levels-among-korean-adults-with-dyslipidemia
#4
In Young Cho, Hwa Yeon Park, Kiheon Lee, Woo Kyung Bae, Se Young Jung, Hye Jin Ju, Jae Kyeong Song, Jong Soo Han
BACKGROUND: Dyslipidemia is a major risk factor contributing to cardiovascular disease and its prevalence is steadily rising. Although screening tests are readily accessible, dyslipidemia remains undertreated. Evaluating health behavior patterns after diagnosis may help improve lifestyle interventions for the management of dyslipidemia. METHODS: Data from the fifth Korean National Health and Nutrition Examination Survey 2010-2012 were used. A total of 6,624 dyslipidemia patients over 20 years old were included according to National Cholesterol Education Program-Adult Treatment Panel III guidelines...
March 2017: Korean Journal of Family Medicine
https://www.readbyqxmd.com/read/28359098/attenuation-of-resting-but-not-load-mediated-protein-synthesis-in-prostate-cancer-patients-on-androgen-deprivation
#5
Erik D Hanson, André R Nelson, Daniel W D West, John A Violet, Lannie O'Keefe, Stuart M Phillips, Alan Hayes
Context: Androgen deprivation therapy (ADT) is a common prostate cancer (PCa) treatment but results in muscular atrophy. Periodic increases in muscle protein synthesis (MPS) that occur after resistance exercise or protein intake may ameliorate this muscle loss, but the impact of these anabolic stimuli during ADT is unclear. Objective: To determine the acute MPS response to whey protein supplementation with and without resistance exercise during ADT. Design: Acute response in PCa patients vs age-matched controls (CON)...
March 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28346572/effectiveness-of-cardiac-rehabilitation-for-prevention-and-treatment-of-sarcopenia-in-patients-with-cardiovascular-disease-a-retrospective-cross-sectional-analysis
#6
H Harada, H Kai, H Niiyama, Y Nishiyama, A Katoh, N Yoshida, Y Fukumoto, H Ikeda
OBJECTIVE: Sarcopenia is a syndrome characterized by progressive and generalized loss of skeletal muscle mass and strength, with the risk of frailty and poor quality of life. This study aimed to clarify the clinical characteristics of sarcopenia and to investigate the effects of comprehensive cardiac rehabilitation (CCR), including nutrition, physical exercise and medication, in patients with cardiovascular disease (CVD). METHODS: We retrospectively studied 322 inpatients with CVD (age 72±12 years)...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28323574/the-effects-of-an-increased-calorie-breakfast-consumed-prior-to-simulated-match-play-in-academy-soccer-players
#7
Marc A Briggs, Liam D Harper, Ged McNamee, Emma Cockburn, Penny L S Rumbold, Emma J Stevenson, Mark Russell
Dietary analysis of Academy soccer players highlights that total energy and carbohydrate intakes are less than optimal, especially, on match-days. As UK Academy matches predominantly kick-off at ∼11:00 h, breakfast is likely the last pre-exercise meal and thus may provide an intervention opportunity on match-day. Accordingly, the physiological and performance effects of an increased calorie breakfast consumed ∼135-min before soccer-specific exercise was investigated. English Premier League Academy soccer players (n = 7) repeated a 90-min soccer match simulation on two occasions after consumption of habitual (Bhab; ∼1100 kJ) or increased (Binc; ∼2100 kJ) energy breakfasts standardised for macronutrient contributions (∼60% carbohydrates, ∼15% proteins and ∼25% fats)...
March 21, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28270867/gene-expression-is-differentially-regulated-in-skeletal-muscle-and-circulating-immune-cells-in-response-to-an-acute-bout-of-high-load-strength-exercise
#8
Gyrd O Gjevestad, Håvard Hamarsland, Truls Raastad, Inger Ottestad, Jacob J Christensen, Kristin Eckardt, Christian A Drevon, Anne S Biong, Stine M Ulven, Kirsten B Holven
BACKGROUND: High-intensity exercise induces many metabolic responses. In is unknown whether the response in the peripheral blood mononuclear cells (PBMCs) reflects the response in skeletal muscle and whether mRNA expression after exercise can be modulated by nutritional intake. The aims were to (i) investigate the effect of dairy proteins on acute responses to exercise in skeletal muscle and PBMCs measuring gene expression and (ii) compare this response in young and older subjects. METHODS: We performed two separate studies in young (20-40 years) and older subjects (≥70 years)...
2017: Genes & Nutrition
https://www.readbyqxmd.com/read/28255731/acute-effects-of-post-absorptive-and-postprandial-moderate-exercise-on-markers-of-inflammation-in-hyperglycemic-individuals
#9
Håvard Nygaard, Gunnar Slettaløkken Falch, Jon Elling Whist, Ivana Hollan, Stian Ellefsen, Gerd Holmboe-Ottesen, Bent R Rønnestad, Arne T Høstmark
PURPOSE: Systemic inflammation is involved in the development of several diseases, including cardiovascular disease and type 2 diabetes. It is known that vigorous exercise affects systemic inflammation, but less is known about exercise at lower intensities. Hyperglycemia can also entail pro-inflammatory responses; however, postprandial hyperglycemia is blunted if the meal is followed by exercise. Hypotheses were: (1) moderate physical exercise acutely affects levels of C-reactive protein (CRP) and serum soluble vascular cell adhesion molecule 1 (sVCAM-1) in hyperglycemic individuals and (2) the effect depends on whether the activity is performed in a post-absorptive or postprandial state...
March 2, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28239404/impact-of-a-6-week-non-energy-restricted-ketogenic-diet-on-physical-fitness-body-composition-and-biochemical-parameters-in-healthy-adults
#10
Paul Urbain, Lena Strom, Lena Morawski, Anja Wehrle, Peter Deibert, Hartmut Bertz
BACKGROUND: The ketogenic diet (KD) is a very low-carbohydrate, high-fat and adequate-protein diet that without limiting calories induces different metabolic adaptations, eg, increased levels of circulating ketone bodies and a shift to lipid metabolism. Our objective was to assess the impact of a 6-week non-energy-restricted KD in healthy adults beyond cohorts of athletes on physical performance, body composition, and blood parameters. METHODS: Our single arm, before-and-after comparison study consisted of a 6-week KD with a previous preparation period including detailed instructions during classes and individual counselling by a dietitian...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28192673/the-benefit-of-a-supplement-with-the-antioxidant-melatonin-on-redox-status-and-muscle-damage-in-resistance-trained-athletes
#11
Roberto C Leonardo-Mendonça, Javier Ocaña-Wilhelmi, Tomás de Haro, Carlos de Teresa-Galván, Eduardo Guerra-Hernández, Iryna Rusanova, Marisol Fernández-Ortiz, Ramy Ka Sayed, Germaine Escames, Darío Acuña-Castroviejo
Previous data showed that the administration of high doses of melatonin improved the circadian system in athletes. Here, we investigated in the same experimental paradigm whether the antioxidant properties of melatonin has also beneficial effects against exercise-induced oxidative stress and muscle damage in athletes. Twenty-four athletes were treated with 100 mg.day-1 of melatonin or placebo 30 min before bedtime during four weeks in a randomized double-blind scheme. Exercise intensity was higher during the study that before starting it...
February 13, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28138261/the-effects-of-exercise-training-and-caloric-restriction-on-the-cardiac-oxytocin-natriuretic-peptide-system-in-the-diabetic-mouse
#12
Tom L Broderick, Marek Jankowski, Jolanta Gutkowska
BACKGROUND: Regular exercise training (ET) and caloric restriction (CR) are the frontline strategies in the treatment of type 2 diabetes mellitus with the aim at reducing cardiometabolic risk. ET and CR improve body weight and glycemic control, and experimental studies indicate that these paradigms afford cardioprotection. In this study, the effects of combined ET and CR on the cardioprotective oxytocin (OT)-natriuretic peptide (NP) system were determined in the db/db mouse, a model of type 2 diabetes associated with insulin resistance, hyperglycemia, and obesity...
2017: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy
https://www.readbyqxmd.com/read/28100190/translation-of-a-tailored-nutrition-and-resistance-exercise-intervention-for-elderly-people-to-a-real-life-setting-adaptation-process-and-pilot-study
#13
Ellen Ji van Dongen, Joanne N Leerlooijer, Jan M Steijns, Michael Tieland, Lisette Cpgm de Groot, Annemien Haveman-Nies
BACKGROUND: Combining increased dietary protein intake and resistance exercise training for elderly people is a promising strategy to prevent or counteract the loss of muscle mass and decrease the risk of disabilities. Using findings from controlled interventions in a real-life setting requires adaptations to the intervention and working procedures of healthcare professionals (HCPs). The aim of this study is to adapt an efficacious intervention for elderly people to a real-life setting (phase one) and test the feasibility and potential impact of this prototype intervention in practice in a pilot study (phase two)...
January 18, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28070459/pre-versus-post-exercise-protein-intake-has-similar-effects-on-muscular-adaptations
#14
Brad Jon Schoenfeld, Alan Aragon, Colin Wilborn, Stacie L Urbina, Sara E Hayward, James Krieger
The purpose of this study was to test the anabolic window theory by investigating muscle strength, hypertrophy, and body composition changes in response to an equal dose of protein consumed either immediately pre- versus post-resistance training (RT) in trained men. Subjects were 21 resistance-trained men (>1 year RT experience) recruited from a university population. After baseline testing, participants were randomly assigned to 1 of 2 experimental groups: a group that consumed a supplement containing 25 g protein and 1 g carbohydrate immediately prior to exercise (PRE-SUPP) (n = 9) or a group that consumed the same supplement immediately post-exercise (POST-SUPP) (n = 12)...
2017: PeerJ
https://www.readbyqxmd.com/read/28051354/effect-of-almond-supplementation-on-glycemia-and-cardiovascular-risk-factors-in-asian-indians-in-north-india-with-type-2-diabetes-mellitus-a-24-week-study
#15
Seema Gulati, Anoop Misra, Ravindra M Pandey
BACKGROUND: Type 2 diabetes (T2D) statistics have reached menacing proportions in India. Appropriate dietary intervention, as part of healthy lifestyle, is imperative to curb further spread of this disease. OBJECTIVES: This pre-post intervention study was conducted in New Delhi, India, to investigate the effects of daily consumption of almonds for 24 weeks in T2D subjects, specifically on measures of glycemia and cardiovascular disease (CVD) risk factors. METHODS AND STUDY DESIGN: In this study, the 24-week intervention period was preceded by a control diet and exercise run-in period of 3 weeks...
March 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28034589/bone-variables-in-active-overweight-obese-men-and-sedentary-overweight-obese-men
#16
Georges El Khoury, Hassane Zouhal, Geneviève Cabagno, César El Khoury, Maroun Rizkallah, Ghassan Maalouf, Rawad El Hage
The aim of this study was to compare bone variables in active overweight/obese men and sedentary overweight/obese men. Thirty-seven active overweight/obese men and 45 sedentary overweight/obese men participated in this study. Weight and height were measured, and body mass index was calculated. Body composition and bone variables (bone mineral content [BMC], bone mineral density [BMD], geometric indices of hip bone strength, and trabecular bone score) were measured by DXA. Physical activity level, daily calcium intake, daily protein intake, and sleep duration were measured by validated questionnaires...
December 26, 2016: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28032232/effectiveness-of-a-preoperative-exercise-and-nutritional-support-program-for-elderly-sarcopenic-patients-with-gastric-cancer
#17
Kazuyoshi Yamamoto, Yukiko Nagatsuma, Yasunari Fukuda, Motohiro Hirao, Kazuhiro Nishikawa, Atsushi Miyamoto, Masataka Ikeda, Shoji Nakamori, Mitsugu Sekimoto, Kazumasa Fujitani, Toshimasa Tsujinaka
We established a preoperative exercise and nutritional support program for elderly sarcopenic patients with gastric cancer. Twenty-two gastric cancer patients aged 65 years or older with a diagnosis of sarcopenia according to the algorithm proposed by the European Working Group on Sarcopenia in Older People received our preoperative program. The median duration of the program participation was 16 days. Total calorie and protein intakes were significantly higher after the program than before [29.4 ± 6.9 kcal/kg ideal body weight (IBW) vs 27...
December 28, 2016: Gastric Cancer
https://www.readbyqxmd.com/read/28012184/low-carbohydrate-high-fat-diet-impairs-exercise-economy-and-negates-the-performance-benefit-from-intensified-training-in-elite-race-walkers
#18
Louise M Burke, Megan L Ross, Laura A Garvican-Lewis, Marijke Welvaert, Ida A Heikura, Sara G Forbes, Joanne G Mirtschin, Louise E Cato, Nicki Strobel, Avish P Sharma, John A Hawley
KEY POINTS: Three weeks of intensified training and mild energy deficit in elite race walkers increases peak aerobic capacity independent of dietary support. Adaptation to a ketogenic low carbohydrate, high fat (LCHF) diet markedly increases rates of whole-body fat oxidation during exercise in race walkers over a range of exercise intensities. The increased rates of fat oxidation result in reduced economy (increased oxygen demand for a given speed) at velocities that translate to real-life race performance in elite race walkers...
December 23, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27921046/weight-management-in-primary-care
#19
REVIEW
Susanne Maurer
BACKGROUND: Obesity is one of the greatest public health challenges worldwide. It is not only a medical but also a philosophical, ecological, economic, sociocultural, and psychological problem as well as a severe consequence of our modern value definition to 'receive more and more'. Therefore, physicians are not able to treat obesity broadly and should not be used as tools to achieve certain weight goals. METHODS: This article presents an outline of conservative obesity therapy...
October 2016: Visceral Medicine
https://www.readbyqxmd.com/read/27897989/periodization-of-carbohydrate-intake-short-term-effect-on-performance
#20
Laurie-Anne Marquet, Christophe Hausswirth, Odeline Molle, John A Hawley, Louise M Burke, Eve Tiollier, Jeanick Brisswalter
BACKGROUND: "Sleep-low" consists of a sequential periodization of carbohydrate (CHO) availability-low glycogen recovery after "train high" glycogen-depleting interval training, followed by an overnight-fast and light intensity training ("train low") the following day. This strategy leads to an upregulation of several exercise-responsive signaling proteins, but the chronic effect on performance has received less attention. We investigated the effects of short-term exposure to this strategy on endurance performance...
November 25, 2016: Nutrients
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