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Exercise nutrition protein

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https://www.readbyqxmd.com/read/28100512/postexercise-repletion-of-muscle-energy-stores-with-fructose-or-glucose-in-mixed-meals
#1
Robin Rosset, Virgile Lecoultre, Léonie Egli, Jérémy Cros, Ayse Sila Dokumaci, Karin Zwygart, Chris Boesch, Roland Kreis, Philippe Schneiter, Luc Tappy
BACKGROUND: Postexercise nutrition is paramount to the restoration of muscle energy stores by providing carbohydrate and fat as precursors of glycogen and intramyocellular lipid (IMCL) synthesis. Compared with glucose, fructose ingestion results in lower postprandial glucose and higher lactate and triglyceride concentrations. We hypothesized that these differences in substrate concentration would be associated with a different partition of energy stored as IMCLs or glycogen postexercise...
January 18, 2017: American Journal of Clinical Nutrition
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
#2
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/28079430/multimodal-prehabilitation-improves-functional-capacity-before-and-after-colorectal-surgery-for-cancer-a-five-year-research-experience
#3
Enrico Maria Minnella, Guillaume Bousquet-Dion, Rashami Awasthi, Celena Scheede-Bergdahl, Francesco Carli
BACKGROUND: Multimodal prehabilitation is a preoperative conditioning intervention in form of exercise, nutritional assessment, whey protein supplementation, and anxiety-coping technique. Despite recent evidence suggesting that prehabilitation could improve functional capacity in patients undergoing colorectal surgery for cancer, all studies were characterized by a relatively small sample size. The aim of this study was to confirm what was previously found in three small population trials...
January 12, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28035017/muscle-damage-and-inflammation-during-recovery-from-exercise
#4
Jonathan M Peake, Oliver Neubauer, Paul A Della Gatta, Kazunori Nosaka
Unaccustomed exercise consisting of eccentric (i.e., lengthening) muscle contractions often results in muscle damage characterized by ultrastructural alterations in muscle tissue, clinical signs and symptoms (e.g., reduced muscle strength and range of motion, increased muscle soreness and swelling, efflux of myocellular proteins). The time course of recovery following exercise-induced muscle damage depends on the extent of initial muscle damage, which in turn is influenced by the intensity and duration of exercise, joint angle/muscle length and muscle groups used during exercise...
December 29, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28032232/effectiveness-of-a-preoperative-exercise-and-nutritional-support-program-for-elderly-sarcopenic-patients-with-gastric-cancer
#5
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/28029078/nutrition-and-exercise-in-sarcopenia
#6
Stephen D Anton, Azumi Hida, Robert Mankowski, Andrew Layne, Lawrence Solberg, Arch G Mainous, Thomas W Buford
Sarcopenia is a debilitating condition that involves loss of muscle mass and function, which affects virtually everyone as they age, and can lead to frailty and ultimately disability. In growing recognition of the importance of both muscle strength and muscle mass relative to body size in contributing to functional decline, recent definitions have now incorporated grip strength and a correction for body mass as part of the key criteria that define sarcopenia. With this new definition, a much larger population of older adults are now at risk of sarcopenia...
December 27, 2016: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/27973615/soluble-milk-protein-supplementation-with-moderate-physical-activity-improves-locomotion-function-in-aging-rats
#7
Aude Lafoux, Charlotte Baudry, Cécile Bonhomme, Pascale Le Ruyet, Corinne Huchet
Aging is associated with a loss of muscle mass and functional capacity. Present study was designed to compare the impact of specific dairy proteins on muscular function with or without a low-intensity physical activity program on a treadmill in an aged rat model. We investigated the effects of nutritional supplementation, five days a week over a 2-month period with a slow digestible protein, casein or fast digestible proteins, whey or soluble milk protein, on strength and locomotor parameters in sedentary or active aged Wistar RjHan rats (17-19 months of age)...
2016: PloS One
https://www.readbyqxmd.com/read/27941030/molecular-mechanisms-of-ros-production-and-oxidative-stress-in-diabetes
#8
REVIEW
Philip Newsholme, Vinicius Fernandes Cruzat, Kevin Noel Keane, Rodrigo Carlessi, Paulo Ivo Homem de Bittencourt
Oxidative stress and chronic inflammation are known to be associated with the development of metabolic diseases, including diabetes. Oxidative stress, an imbalance between oxidative and antioxidative systems of cells and tissues, is a result of over production of oxidative-free radicals and associated reactive oxygen species (ROS). One outcome of excessive levels of ROS is the modification of the structure and function of cellular proteins and lipids, leading to cellular dysfunction including impaired energy metabolism, altered cell signalling and cell cycle control, impaired cell transport mechanisms and overall dysfunctional biological activity, immune activation and inflammation...
December 15, 2016: Biochemical Journal
https://www.readbyqxmd.com/read/27922941/exercise-training-ameliorates-glucosamine-induced-insulin-resistance-in-ovariectomized-rats
#9
Chung-Hwan Chen, Tsang-Hai Huang, Tsung-Lin Cheng, Chi-Fen Chang, Chau-Zen Wang, Meng-Hsing Wu, Lin Kang
OBJECTIVE: Glucosamine (GlcN), which has been reported to induce insulin resistance (IR), is a popular nutritional supplement used to treat osteoarthritis in menopausal women. We previously demonstrated that GlcN treatment caused IR in ovariectomized rats by reducing the expression of glucose transport protein subtype 4 (GLUT-4) in skeletal muscle. In the present study, we hypothesized that endurance exercise training can reverse GlcN-induced IR. METHODS: Fifty female rats were randomly divided into five groups with 10 rats in each group: (1) sham-operated group; (2) sham-operated group with GlcN treatment for 14 days; (3) ovariectomy (OVX) group; (4) OVX with GlcN treatment; and (5) OVX with GlcN treatment followed by exercise training (running program) for 8 weeks...
December 5, 2016: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/27901247/anabolic-steroids-for-rehabilitation-after-hip-fracture-in-older-people
#10
Vaqas Farooqi, Maayken E L van den Berg, Ian D Cameron, Maria Crotty
BACKGROUND: Hip fracture occurs predominantly in older people, many of whom are frail and undernourished. After hip fracture surgery and rehabilitation, most patients experience a decline in mobility and function. Anabolic steroids, the synthetic derivatives of the male hormone testosterone, have been used in combination with exercise to improve muscle mass and strength in athletes. They may have similar effects in older people who are recovering from hip fracture. OBJECTIVES: To examine the effects (primarily in terms of functional outcome and adverse events) of anabolic steroids after surgical treatment of hip fracture in older people...
September 2016: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/27865349/whey-protein-increases-muscle-weight-gain-through-inhibition-of-oxidative-effects-induced-by-resistance-exercise-in-rats
#11
Kely R Teixeira, Marcelo E Silva, Wanderson G de Lima, Maria L Pedrosa, Fabiano K Haraguchi
Whey protein (WP) is known for its nutritional value and antioxidant properties. The aim of this study was to evaluate whether the antioxidant properties of WP could contribute to muscle weight gain in response to resistance exercise (RE). We hypothesized that WP ingestion could increase muscle weight gain in rats subjected to an RE program, through inhibition of oxidative effects induced by high-intensity RE. Thirty-two male Fischer rats were randomly assigned to control sedentary, control exercised, WP sedentary, and WP exercised groups (n=8/group)...
October 2016: Nutrition Research
https://www.readbyqxmd.com/read/27837349/comparison-of-body-composition-and-nutrients-deficiencies-between-portuguese-rink-hockey-players
#12
Maria-Raquel G Silva, Hugo-Henrique Silva
: We evaluated dietary intake and body composition of child and adolescent rink-hockey players and controls. Seventy-two male rink-hockey players (38 children and 34 adolescents) and 79 male controls (43 children and 36 adolescents) were evaluated in order to collect training data, detailed dietary intake and body composition. Rink-hockey players presented significantly lower body fat (BF) and higher fat-free mass (FFM) than controls. Mean intakes of carbohydrate and protein were considered to be adequate, but mean intakes of fat were above the recommended levels in athletes...
January 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/27829485/the-impact-of-doubling-dairy-or-plant-based-foods-on-consumption-of-nutrients-of-concern-and-proper-bone-health-for-adolescent-females
#13
Elieke Demmer, Christopher J Cifelli, Jenny A Houchins, Victor L Fulgoni
OBJECTIVE: To determine the effects of increasing plant-based foods v. dairy foods on energy and nutrients of concern in adolescent females via diet modelling exercises. DESIGN: Data from the National Health and Nutrition Examination Survey (NHANES) were used to compare nutrient intakes from usual diet with those from three dietary scenarios that increased current intakes by 100 % of the following: (i) plant-based foods; (ii) protein-rich plant-based foods; and (iii) milk, cheese and yoghurt...
November 10, 2016: Public Health Nutrition
https://www.readbyqxmd.com/read/27818732/evaluation-of-some-biochemical-parameters-and-brain-oxidative-stress-in-experimental-rats-exposed-chronically-to-silver-nitrate-and-the-protective-role-of-vitamin-e-and-selenium
#14
Mouna Gueroui, Zine Kechrid
Due to undesirable hazardous interactions with biological systems, this investigation was undertaken to evaluate the effect of chronic exposure to silver on certain biochemical and some oxidative stress parameters with histopathological examination of brain, as well as the possible protective role of selenium and/or vitamin E as nutritional supplements. Thirty six male rats were divided into six groups of six each: the first group used as a control group. Group II given both vitamin E (400 mg/kg) of diet and selenium (Se) (1 mg/L) in their drinking water...
October 2016: Toxicological Research
https://www.readbyqxmd.com/read/27799693/a-study-on-macronutrient-self-selection-after-acute-aerobic-exercise-in-college-females
#15
Tae-Young Kim, Min-Jeong Kim, Ik-Rae Cho, Yu-Mi Won, Mi-Kyung Han, Kon-Nym Jung, Sang-Ho Lee, Jae-Hee Lee, Ji-Hyoung Chin, Jae-Hun Roh, Seung-Hi Min, Taek-Kyun Lee, Hyo-Joo Park, Kwon Jang, Se-Jeong Kwon, Suh-Jung Kang, Mi-Ae Shin, Hu-Nyun Kim, Jae-Seung Hong, Eun-Hi Choi, Nam-Il An, Ji-Hyuk Kim, Mi-Suk Kim
[Purpose] This study was conducted to determine whether acute aerobic exercise (climbing) is associated with changes in the dietary intake pattern. [Subjects and Methods] Food intake and physical activity data for 15 female college students were sampled for 3 days and categorized according to routine activity or high-intensity activity such as hiking. Nutrient intake based on the data was analyzed using a nutrition program. [Results] Carbohydrate and protein intake was significantly decreased after exercise compared to before acute aerobic exercise, but lipid intake showed no significant difference...
September 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27798441/runner-s-diarrhea-what-is-it-what-causes-it-and-how-can-it-be-prevented
#16
Erick P de Oliveira
PURPOSE OF REVIEW: Runner's diarrhea is an acute exercise-induced diarrhea. Usually, this is not a pathological situation but it can affect performance. This review focuses on the discussion of the main causes of runner's diarrhea and nutritional recommendations to prevent it. RECENT FINDINGS: Although based on limited data, multiple transportable carbohydrate intake during exercise instead of glucose alone can be recommended for preventing the urge to defecate and (possibly) diarrhea...
October 27, 2016: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/27798330/soy-dairy-protein-blend-or-whey-protein-isolate-ingestion-induces-similar-postexercise-muscle-mechanistic-target-of-rapamycin-complex-1-signaling-and-protein-synthesis-responses-in-older-men
#17
Michael S Borack, Paul T Reidy, Syed H Husaini, Melissa M Markofski, Rachel R Deer, Abigail B Richison, Bradley S Lambert, Mark B Cope, Ratna Mukherjea, Kristofer Jennings, Elena Volpi, Blake B Rasmussen
BACKGROUND: Previous work demonstrated that a soy-dairy protein blend (PB) prolongs hyperaminoacidemia and muscle protein synthesis in young adults after resistance exercise. OBJECTIVE: We investigated the effect of PB in older adults. We hypothesized that PB would prolong hyperaminoacidemia, enhancing mechanistic target of rapamycin complex 1 (mTORC1) signaling and muscle protein anabolism compared with a whey protein isolate (WPI). METHODS: This double-blind, randomized controlled trial studied men 55-75 y of age...
December 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27789774/post-exercise-muscle-glycogen-resynthesis-in-humans
#18
Louise M Burke, Luc J C van Loon, John A Hawley
Since the pioneering studies conducted in the 1960s in which glycogen status was investigated utilizing the muscle biopsy technique, sports scientists have developed a sophisticated appreciation of the role of glycogen in cellular adaptation and exercise performance, as well as sites of storage of this important metabolic fuel. While sports nutrition guidelines have evolved during the past decade to incorporate sport-specific and periodized manipulation of carbohydrate (CHO) availability, athletes attempt to maximise muscle glycogen synthesis between important workouts or competitive events so that fuel stores closely match to the demands of the prescribed exercise...
October 27, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27765769/microvascular-endothelial-dysfunction-in-sedentary-obese-humans-is-mediated-by-nadph-oxidase-influence-of-exercise-training
#19
Justin D La Favor, Gabriel S Dubis, Huimin Yan, Joseph D White, Margaret A M Nelson, Ethan J Anderson, Robert C Hickner
OBJECTIVE: The objectives of this study were to determine the impact of in vivo reactive oxygen species (ROS) on microvascular endothelial function in obese human subjects and the efficacy of an aerobic exercise intervention on alleviating obesity-associated dysfunctionality. APPROACH AND RESULTS: Young, sedentary men and women were divided into lean (body mass index 18-25; n=14), intermediate (body mass index 28-32.5; n=13), and obese (body mass index 33-40; n=15) groups...
December 2016: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/27749714/the-relevance-of-nutrition-for-the-concept-of-cognitive-frailty
#20
Ligia J Dominguez, Mario Barbagallo
PURPOSE OF REVIEW: Physical and cognitive frailty are interrelated and synergistic syndromes more frequently seen in old age, which represent intermediate stages between aging successfully and disability. Poor nutrition is a fundamental determinant for both conditions, while various dietary components are proposed to prevent and/or improve them. This updated review discusses the possible influence of nutritional factors on cognitive frailty and its potential mediators. RECENT FINDINGS: Oxidative stress, low-grade systemic inflammation, neuroinflammation, and altered autophagy, all associated with obesity, metabolic syndrome and insulin resistance, are proposed mechanisms to explain the influence of nutrition on cognitive health...
January 2017: Current Opinion in Clinical Nutrition and Metabolic Care
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