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Milk and exercise

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https://www.readbyqxmd.com/read/29901760/leucine-not-total-protein-content-of-a-supplement-is-the-primary-determinant-of-muscle-protein-anabolic-responses-in-healthy-older-women
#1
Michaela C Devries, Chris McGlory, Douglas R Bolster, Alison Kamil, Maike Rahn, Laura Harkness, Steven K Baker, Stuart M Phillips
Background: Older adults show a blunted muscle protein synthesis (MPS) response to postprandial hyperaminoacidemia relative to younger adults. Evidence suggests that this anabolic resistance can be overcome by consuming greater quantities of leucine. Objective: The purpose of this trial was to determine whether the addition of leucine to a smaller dose (10 g) of milk proteins would, when compared with a larger dose (25 g) of whey protein isolate (WPI), result in similar increases in acute (hourly) and integrated (daily) myofibrillar protein synthesis (myoPS)...
June 13, 2018: Journal of Nutrition
https://www.readbyqxmd.com/read/29896985/relationship-between-body-weight-perception-and-weight-related-behaviours
#2
Tawima Sirirassamee, Sasiwan Phoolsawat, Supakorn Limkhunthammo
Objectives This study aimed to examine the prevalence of weight misperception and to explore the association of weight perception with physical activity and dietary intake. Methods A population-based, nationally representative cross-sectional survey was conducted of 920 Thai adolescents aged 13 to 24 years. Respondents were selected using stratified multistage sampling. Respondents who agreed to participate were asked to complete the Youth Risk Behavior Questionnaire. Results Females were more likely than males to misperceive themselves as overweight (21...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29894642/acute-modulation-in-dietary-behavior-following-glycogen-depletion-and-post-exercise-supplementation-in-trained-cyclists
#3
Hsuan-Yu Wan, Jonathon L Stickford, Emily Dawkins, Alice K Lindeman, Joel M Stager
We investigated the influence of immediate post-exercise dietary supplementation on the subsequent food consumption pattern and endurance exercise performance in physically trained individuals. On two occasions, trained male cyclists performed a glycogen-depleting exercise bout followed by a 2-hour nutritional supplementation period, 28 hours of free-living recovery, and a subsequent 40-km cycling time trial. During the 2-hour post-exercise supplementation, subjects consumed equal volumes of reduced-fat chocolate milk (CM) or a sports beverage (SB) in a single-blind, randomized design...
June 12, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29808042/comparison-of-vitamin-d-levels-with-bone-density-calcium-phosphate-and-alkaline-phosphatase-an-insight-from-major-cities-of-pakistan
#4
Muhammad Arif Nadeem Saqib, Ibrar Rafique, Ijaz Hayder, Rabia Irshad, Saira Bashir, Rizwan Ullah, Najma Javed Awan
OBJECTIVE: To compare vitamin D levels with bone mineral density, serum calcium, phosphorous and alkaline phosphatase. METHODS: The cross-sectional multicentre study was conducted at Pakistan Health Research Council centres in Islamabad, Lahore, and Karachi,and comprised subjects coming for either vitamin D testing or bone mineral density examination. Information related to demography, height/weight, skin colour, smoking, use of sun screen, daily milk intake, sun exposure and exercise was taken along with biochemical tests like serum calcium and phosphorous, alkaline phosphatase, and 25 hydroxy vitamin D...
April 2018: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/29752915/increase-in-insulin-secretion-and-decrease-in-muscle-degradation-by-fat-free-milk-intake-are-attenuated-by-physical-exercise
#5
Tetsuo Yamada, Masami Matsuzaki, Akira Tanaka
BACKGROUND: Protein intake, particularly branched chain amino acids (BCAAs), and exercise have opposing actions on insulin secretion, but the same action on protein anabolism. We examined the effects of BCAA-rich fat-free milk intake and/or exercise on levels of insulin secretion and indices related to muscle protein metabolism in order to assess the potency of dietary and exercise therapies against metabolic and locomotive disorders. METHODS: Eight adult female volunteers participated in all four 24 h experiments; control diet intake with or without exercise, and fat-free milk-containing diet intake with or without exercise...
May 9, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29723971/assessment-of-lactose-free-diet-on-the-phalangeal-bone-mineral-status-in-italian-adolescents-affected-by-adult-type-hypolactasia
#6
Alessandro Baldan, Sylvie Tagliati, Daniela Saccomandi, Andrea Brusaferro, Laura Busoli, Andrea Scala, Cristina Malaventura, Giuseppe Maggiore, Caterina Borgna-Pignatti
Adult-type hypolactasia (ATH) is a clinical syndrome of primary lactase deficiency. A lactose-free diet is advisable to avoid the symptoms linked to the condition, but this potentially creates problems for optimal bone mineralization due to reduced calcium intake. To evaluate the effect of the lactose-free diet on the bone mineral status (BMS), we compared the phalangeal BMS of adolescents with ATH to that of peers on a normal diet. Also, we analyzed the correlations between BMS and dietary behavior, physical exercise, and calcium and vitamin D intake...
May 1, 2018: Nutrients
https://www.readbyqxmd.com/read/29722584/no-difference-between-the-effects-of-supplementing-with-soy-protein-versus-animal-protein-on-gains-in-muscle-mass-and-strength-in-response-to-resistance-exercise
#7
Mark Messina, Heidi Lynch, Jared M Dickinson, Katharine E Reed
Much attention has been given to determining the influence of total protein intake and protein source on gains in lean body mass (LBM) and strength in response to resistance exercise training (RET). Acute studies indicate that whey protein, likely related to its higher leucine content, stimulates muscle protein synthesis (MPS) to a greater extent than proteins such as soy and casein. Less clear is the extent to which the type of protein supplemented impacts strength and LBM in longer term studies (≥6 weeks)...
May 3, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29721316/effects-of-dietary-supplementation-with-milk-fat-globule-membrane-on-the-physical-performance-of-community-dwelling-japanese-adults-a-randomised-double-blind-placebo-controlled-trial
#8
Yasuo Kokai, Nana Mikami, Mitsuhiro Tada, Kazuichi Tomonobu, Ryuji Ochiai, Noriko Osaki, Yoshihisa Katsuragi, Hitoshi Sohma, Yoichi M Ito
We conducted a randomised, double-blind, placebo-controlled trial to elucidate the effects of dietary milk fat globule membrane (MFGM) on the physical performance of community-dwelling Japanese adults. For this 24-week study, 115 middle-aged subjects (range 50-70 years old) were invited, of whom 113 (seventy-two women, forty-one men) completed the trial. Participants were then divided into either the placebo control or MFGM group. Measurements of physical performance (without undertaking any mandatory exercise) examining muscle strength, agility and balance were tested every 6 weeks until 24 weeks...
2018: Journal of Nutritional Science
https://www.readbyqxmd.com/read/29717304/effect-of-diets-with-goat-milk-fat-supplemented-with-exercise-on-anxiety-and-oxidative-stress-in-the-brains-of-adult-rats
#9
Mayara Queiroga Barbosa, Rita de Cássia Ramos Egypto Queiroga, Camila Carolina de Menezes Santos Bertozzo, Daline Fernandes de Souza Araújo, Louise Iara Gomes Oliveira, Jaielison Yandro Pereira Silva, Marco Aurélio Delmondes Bomfim, Gerlane Coelho Bernardo Guerra, Suedna Costa, Rui Bessa, Susana Alves, Juliana Kessia Barbosa Soares
The objective of this study is to evaluate the effects of a diet with goat milk fat supplemented with physical training on markers of oxidative stress in the brain and anxiety behavior in rats. Adult male rats were randomly divided into six groups (n = 10 per group): control sedentary (CON) and exercised (CON-EX) groups, goat milk fat sedentary (GM) and exercised (GM-EX) groups, goat milk fat enriched with CLA sedentary (GM-CLA) and exercised (GM-CLA-EX) groups. The exercised groups were submitted to treadmill running during four weeks...
May 2, 2018: Food & Function
https://www.readbyqxmd.com/read/29702438/effect-of-grinding-and-long-term-storage-on-the-toxicity-of-white-snakeroot-ageratina-altissima-in-goats
#10
T Zane Davis, Bryan L Stegelmeier, Stephen T Lee, Benedict T Green, Carol G Chitko-McKown
White snakeroot (Ageratina altissima) contains the putative toxin tremetone and can produce a disease called "trembles" or "milk sickness". However the toxicity of tremetone has not been demonstrated in vivo. It has been reported that the plant is less toxic after drying and grinding. The objectives of these studies were to determine: 1) the toxic effect of grinding white snakeroot 4 months prior to dosing and, 2) the toxic effect of storing white snakeroot at ambient temperature for 5 years...
April 14, 2018: Research in Veterinary Science
https://www.readbyqxmd.com/read/29644961/high-intensity-exercise-induced-intestinal-damage-is-protected-by-fermented-milk-supplemented-with-whey-protein-probiotic-and-pomegranate-punica-granatum-l
#11
Fernanda M Chaves, Igor L Baptista, Fernando M Simabuco, Paula G F Quaresma, Fabiola L Pena, Rosangela M N Bezerra, Jose R Pauli, Diogo T da Cunha, Patricia L Campos-Ferraz, Adriane E C Antunes
Here we evaluated the effect of fermented milk supplemented with whey protein (approximately 80 % protein), probiotic (Bifidobacterium animalis subsp. lactis BB12) and pomegranate juice (Punica granatum L.) on the physical performance, intestinal motility and villi structure, inflammatory markers and intestinal microbiota of rats under high-intensity acute exercise. In all, twenty-four Wistar rats were separated into groups: control (Ctrl), supplemented (Supp), exercised (Exe) and exercised and supplemented (Exe+Supp)...
April 2018: British Journal of Nutrition
https://www.readbyqxmd.com/read/29621527/transmammary-transfer-of-toxicity-to-nursing-kids-from-isocoma-pluriflora-rayless-goldenrod-dosed-to-lactating-goats
#12
James A Pfister, Bryan L Stegelmeier, Stephen T Lee, T Zane Davis, Ben T Green
Rayless goldenrod (RG; Isocoma pluriflora) poisons livestock in the southwestern U.S., west Texas, and northern Mexico. The putative toxin(s) have historically been thought to be benzofuran ketones. Goats have been used successfully as a model of RG poisoning. The transmammary transfer of toxicity to offspring from lactating goats has not been studied, thus the objective of this study was to determine if nursing kids would become poisoned via mother's milk when the dams were dosed with RG. Twelve lactating goats (6 controls and 6 treated; all with twin kids) were dosed via oral gavage with alfalfa or rayless goldenrod at 2% of BW per day for 14 days...
May 2018: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/29601268/influence-of-a-concurrent-exercise-training-program-during-pregnancy-on-colostrum-and-mature-human-milk-inflammatory-markers-findings-from-the-gestafit-project
#13
Virginia A Aparicio, Olga Ocón, Javier Diaz-Castro, Pedro Acosta-Manzano, Irene Coll-Risco, Milkana Borges-Cósic, Lidia Romero-Gallardo, Jorge Moreno-Fernández, Julio J Ochoa-Herrera
BACKGROUND: Although exercise reduces systemic inflammation, information regarding its influence on human milk is scarce or inexistent. Research Aim: The aim of this study was to investigate the influence of an exercise intervention during pregnancy on colostrum and mature human milk inflammatory markers. METHODS: The authors conducted a pseudorandomized controlled trial. The exercise group followed a concurrent aerobic and strength training, three 60-minutes sessions per week, from the 17th gestational week until delivery...
March 1, 2018: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
https://www.readbyqxmd.com/read/29579632/maternal-exercise-increases-but-concurrent-maternal-fluoxetine-prevents-the-increase-in-hippocampal-neurogenesis-of-adult-offspring
#14
Aarthi R Gobinath, Sarah Wong, Carmen Chow, Stephanie E Lieblich, Alasdair M Barr, Liisa A M Galea
Treating postpartum depression (PPD) with pharmacological antidepressants like fluoxetine (FLX) is complicated because these drugs can remain active in breast milk and potentially affect infant development. Alternatively, non-pharmacological treatments such as exercise are associated with beneficial effects on infant development but its potential ability to counter the effects of PPD are largely unknown. To investigate this, we treated dams with corticosterone (CORT) or vehicle (sesame oil) from postpartum days 2-25 to model PPD...
May 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29574525/the-putative-leucine-sensor-sestrin2-is-hyperphosphorylated-by-acute-resistance-exercise-but-not-protein-ingestion-in-human-skeletal-muscle
#15
Nina Zeng, Randall F D'Souza, Brie Sorrenson, Troy L Merry, Matthew P G Barnett, Cameron J Mitchell, David Cameron-Smith
PURPOSE: Dietary protein and resistance exercise (RE) are both potent stimuli of the mammalian target of rapamycin complex 1 (mTORC1). Sestrins1, 2, 3 are multifunctional proteins that regulate mTORC1, stimulate autophagy and alleviate oxidative stress. Of this family, Sestrin2 is a putative leucine sensor implicated in mTORC1 and AMP-dependent protein kinase (AMPK) regulation. There is currently no data examining the responsiveness of Sestrin2 to dietary protein ingestion, with or without RE...
June 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29529146/protein-leucine-content-is-a-determinant-of-shorter-and-longer-term-muscle-protein-synthetic-responses-at-rest-and-following-resistance-exercise-in-healthy-older-women-a-randomized-controlled-trial
#16
Michaela C Devries, Christopher McGlory, Douglas R Bolster, Alison Kamil, Maike Rahn, Laura Harkness, Steven K Baker, Stuart M Phillips
Background: Older women may not be consuming enough protein to maintain muscle mass. Augmentation of protein intake with leucine may enhance the muscle protein synthetic response in older women to aid in maintaining muscle mass. Objective: We measured the acute (hourly) and integrated (daily) myofibrillar protein synthesis (myoPS) response to consumption of a high-quality mixed protein beverage compared with an isonitrogenous protein beverage with added leucine...
February 1, 2018: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29524782/treatment-with-medium-chain-fatty-acids-milk-of-cd36-deficient-preschool-children
#17
Hironori Nagasaka, Ken-Ichi Hirano, Tohru Yorifuji, Haruki Komatsu, Tomonozumi Takatani, Ichiro Morioka, Satoshi Hirayama, Takashi Miida
OBJECTIVE: CD36 deficiency is characterized by limited cellular long chain fatty acid uptake in the skeletal and cardiac muscles and often causes energy crisis in these muscles. However, suitable treatment for CD36 deficiency remains to be established. The aim of this study was to evaluate the clinical and metabolic effects of medium chain triacylglycerols (MCTs) in two CD36-deficient preschool children who often developed fasting hypoglycemia and exercise-induced myalgia. METHODS: Fasting blood glucose, total ketone bodies, and free fatty acids were examined and compared for usual supper diets and for diets with replacement of one component with 2 g/kg of 9% MCT-containing milk (MCT milk)...
June 2018: Nutrition
https://www.readbyqxmd.com/read/29470691/even-effect-of-milk-protein-and-carbohydrate-intake-but-no-further-effect-of-heavy-resistance-exercise-on-myofibrillar-protein-synthesis-in-older-men
#18
Søren Reitelseder, Kasper Dideriksen, Jakob Agergaard, Nikolaj M Malmgaard-Clausen, Rasmus L Bechshoeft, Rasmus K Petersen, Anja Serena, Ulla R Mikkelsen, Lars Holm
PURPOSE: The responsiveness of older individuals' skeletal muscle to anabolic strategies may be impaired. However, direct comparisons within the same experimental setting are sparse. The aim of this study was to assess the resting and post-resistance exercise muscle protein synthesis rates in response to two types of milk protein and carbohydrate using a unilateral exercise leg model. METHODS: Twenty-seven older (69 ± 1 year, mean ± SE) men were randomly assigned one of three groups: Whey hydrolysate (WH), caseinate (CAS), or carbohydrate (CHO)...
February 22, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29462969/milk-an-effective-recovery-drink-for-female-athletes
#19
Paula Rankin, Adrian Landy, Emma Stevenson, Emma Cockburn
Milk has become a popular post-exercise recovery drink. Yet the evidence for its use in this regard comes from a limited number of investigations utilising very specific exercise protocols, and mostly with male participants. Therefore, the aim of this study was to investigate the effects of post-exercise milk consumption on recovery from a sprinting and jumping protocol in female team-sport athletes. Eighteen females participated in an independent-groups design. Upon completion of the protocol participants consumed 500 mL of milk (MILK) or 500 mL of an energy-matched carbohydrate (CHO) drink...
February 17, 2018: Nutrients
https://www.readbyqxmd.com/read/29398318/association-of-weight-control-behaviors-with-body-mass-index-in-korean-adolescents-a-quantile-regression-approach
#20
Sun-Mi Chae, Mi Ja Kim, Chang Gi Park, Ji-Young Yeo, Ji-Hye Hwang, Insook Kwon, Soo-Yeon Han
PURPOSE: Adolescents are interested in weight control but likely practice unhealthy weight control behaviors. This study aimed to examine weight control behaviors associated with body mass index (BMI) in Korean adolescents. DESIGN AND METHODS: In this descriptive cross-sectional study of 16- to 19-year-old adolescents (97 girls and 90 boys), analyses were conducted of physical activity, sedentary behaviors, dietary behaviors, and self-efficacy for physical activity and diet...
February 1, 2018: Journal of Pediatric Nursing
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