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https://www.readbyqxmd.com/read/29757053/applying-a-low-fodmap-dietary-intervention-to-a-female-ultra-endurance-runner-with-irritable-bowel-syndrome-during-a-multi-stage-ultra-marathon
#1
Stephanie K Gaskell, Ricardo J S Costa
Malabsorption of Fermentable Oligo- Di- and Mono-saccharides and Polyols (FODMAPs) in response to prolonged exercise may increase incidence of upper- and lower-gastrointestinal symptoms (GIS), which are known to impair exercise performance. The case-study aimed to explore the impact of a low-FODMAP diet on exercise-associated GIS in a female ultra-endurance runner diagnosed with irritable bowel syndrome (IBS), competing in a six-day 186.7 km mountainous multi-stage ultra-marathon (MSUM). IBS symptom severity score at diagnosis was 410 and following a low-FODMAP diet (3...
May 14, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29757047/development-and-implementation-of-a-nutrition-knowledge-questionnaire-for-ultra-endurance-athletes
#2
Claire Blennerhassett, Lars R McNaughton, Lorcan Cronin, S Andy Sparks
The nutritional intake of ultra-endurance athletes is often poorly matched with the requirements of the sport. Nutrition knowledge is a mediating factor to food choice that could correct such imbalances. Therefore, the purpose of this study was to develop and validate a questionnaire to assess the nutrition knowledge of ultra-endurance athletes. Nutritional knowledge was assessed using a modified sports nutrition questionnaire (ULTRA-Q). Four independent assessors with specialist sports nutrition knowledge confirmed the content validity of the ULTRA-Q...
May 14, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29710835/eicosahexanoic-acid-epa-and-docosahexanoic-acid-dha-in-muscle-damage-and-function
#3
REVIEW
Eisuke Ochi, Yosuke Tsuchiya
Nutritional supplementation not only helps in improving and maintaining performance in sports and exercise, but also contributes in reducing exercise fatigue and in recovery from exhaustion. Fish oil contains large amounts of omega-3 fatty acids, eicosapentaenoic acid (EPA; 20:5 n-3) and docosahexaenoic acid (DHA; 22:6 n-3). It is widely known that omega-3 fatty acids are effective for improving cardiac function, depression, cognitive function, and blood as well as lowering blood pressure. In the relationship between omega-3 fatty acids and exercise performance, previous studies have been predicted improved endurance performance, antioxidant and anti-inflammatory responses, and effectivity against delayed-onset muscle soreness...
April 29, 2018: Nutrients
https://www.readbyqxmd.com/read/29691969/obesity-and-the-food-system-transformation-in-latin-america
#4
REVIEW
B M Popkin, T Reardon
The Latin America and the Caribbean (LAC) region faces a major diet-related health problem accompanied by enormous economic and social costs. The shifts in diet are profound: major shifts in intake of less-healthful low-nutrient-density foods and sugary beverages, changes in away-from-home eating and snacking and rapid shifts towards very high levels of overweight and obesity among all ages along with, in some countries, high burdens of stunting. Diet changes have occurred in parallel to, and in two-way causality with, changes in the broad food system - the set of supply chains from farms, through midstream segments of processing, wholesale and logistics, to downstream segments of retail and food service (restaurants and fast food chains)...
April 24, 2018: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29679294/gender-differences-in-home-based-cardiac-rehabilitation-of-post-percutaneous-coronary-intervention-patients
#5
Yong Hwan Kim, Wi-Young So
Cardiac rehabilitation (CR) is a structured program for the prevention of secondary cardiovascular disease (CVD) and related diseases, such as hypertension, diabetes, and obesity. This study aimed to investigate whether there are gender differences after 9 months of home-based cardiac rehabilitation program in post-percutaneous coronary intervention patients. A total of 114 (58.29 ± 10.33 years) men and 30 (60.90 ± 9.32 years) women were enrolled in the CR program. The program included three visits: initial, 4th month (follow-up), and 9th month (final) visits at a CR center...
April 20, 2018: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/29617851/effects-of-nutrition-intervention-on-total-and-cancer-mortality-25-year-post-trial-follow-up-of-the-5-25-year-linxian-nutrition-intervention-trial
#6
Shao-Ming Wang, Philip R Taylor, Jin-Hu Fan, Ruth M Pfeiffer, Mitchell H Gail, He Liang, Gwen A Murphy, Sanford M Dawsey, You-Lin Qiao, Christian C Abnet
Background: A beneficial effect of supplementation with selenium, vitamin E, and beta-carotene was observed on total and cancer mortality in a Chinese population, and it endured for 10 years postintervention, but longer durability is unknown. Methods: A randomized, double-blind, placebo-controlled trial was conducted in Linxian, China, from 1986 to 1991; 29 584 residents age 40 to 69 years received daily supplementations based on a factorial design: Factors A (retinol/zinc), B (riboflavin/niacin), C (vitamin C/molybdenum), and/or D (selenium/vitamin E/beta-carotene), or placebo for 5...
April 3, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29551558/efficacy-of-mobile-health-care-application-and-wearable-device-in-improvement-of-physical-performance-in-colorectal-cancer-patients-undergoing-chemotherapy
#7
In Yae Cheong, So Yeon An, Won Chul Cha, Mi Yong Rha, Seung Tae Kim, Dong Kyung Chang, Ji Hye Hwang
BACKGROUND: The use of a mobile health care application, the delivery of health care or health care-related services through the use of portable devices, to manage functional loss, treatment-related toxicities, and impaired quality of life in cancer patients during chemotherapy through supervised self-management has been increasing. The aim of the present study was to evaluate the efficacy and feasibility of comprehensive mobile health care using a tailored rehabilitation program for colorectal cancer patients undergoing active chemotherapy...
February 17, 2018: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/29544062/ingestion-of-carbohydrate-or-carbohydrate-plus-protein-does-not-enhance-performance-during-endurance-exercise-a-randomized-cross-over-placebo-controlled-clinical-trial
#8
Débora Finger, Fábio Juner Lanferdini, Juliano Boufleur Farinha, Clarissa Müller Brusco, Lucas Helal, Francesco Pinto Boeno, Eduardo Lusa Cadore, Ronei Silveira Pinto
INTRODUCTION: Protein (PRO) combined with a carbohydrate (CHO) beverage may have an ergogenic effect on endurance performance. However, evidence regarding its efficacy on similar conditions to athletes' race day is still lacking. OBJECTIVE: To compare the effect of three different nutritional supplementation strategies on performance and muscle recovery in a duathlon protocol. METHODS: , 13 male athletes (29.7 ± 7.7 years) participated in three simulated Olympic-distance duathlons under three different, randomly assigned, supplementation regimens: carbohydrate drink (CHO, 75 g); isocaloric CHO plus protein drink (CHO+PRO, 60...
March 15, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29537179/nurturing-care-for-young-children-under-conditions-of-fragility-and-conflict
#9
REVIEW
Linda M Richter, Stephen J Lye, Kerrie Proulx
Forced displacement worldwide is at its highest in decades and millions of young children are living in conflict zones, in transitional or enduring refugee contexts, and in demographically diverse marginalized and informal settlements. There is a huge unmet need for delivering early childhood development interventions to ensure the safety and continued development of young children in these vulnerable contexts. In this paper, we discuss nurturing care as an important entry point for multisectoral collaborations to support families and reach young children...
March 2018: New Directions for Child and Adolescent Development
https://www.readbyqxmd.com/read/29534465/effect-of-a-protein-supplement-on-the-gut-microbiota-of-endurance-athletes-a-randomized-controlled-double-blind-pilot-study
#10
Diego Moreno-Pérez, Carlo Bressa, María Bailén, Safa Hamed-Bousdar, Fernando Naclerio, Manuel Carmona, Margarita Pérez, Rocío González-Soltero, Maria Gregoria Montalvo-Lominchar, Claudia Carabaña, Mar Larrosa
Nutritional supplements are popular among athletes to improve performance and physical recovery. Protein supplements fulfill this function by improving performance and increasing muscle mass; however, their effect on other organs or systems is less well known. Diet alterations can induce gut microbiota imbalance, with beneficial or deleterious consequences for the host. To test this, we performed a randomized pilot study in cross-country runners whose diets were complemented with a protein supplement (whey isolate and beef hydrolysate) ( n = 12) or maltodextrin (control) ( n = 12) for 10 weeks...
March 10, 2018: Nutrients
https://www.readbyqxmd.com/read/29528959/seasonal-changes-in-anthropometric-physiological-nutritional-and-performance-factors-in-collegiate-rowers
#11
Kenji Kuzuhara, Kanako Katai, Tatsuya Hojo, Yoshihiko Fujisawa, Misaka Kimura, Yasuyoshi Yanagida, Yosuke Yamada, Junta Iguchi
Well-controlled seasonal distribution of training intensity appears to be an important variable for endurance athletes' success as competitors and/or for avoidance of overtraining. The aim of this study was to examine the interrelationships of training distribution, body composition, energy intake/expenditure, and rowing ergometer performance throughout the 2012-2013 season. In the present study of 15 collegiate male rowers, most of whom started rowing during their time at the university, we divided the 2012-2013 season (total 37 weeks) into 3 phases (off-season, December to mid-March, 16 weeks; pre-season, late March to April, 5 weeks; and in-season, May to August, 16 weeks) and analyzed the transition of 2000-m rowing ergometer time, training intensity/volume, body composition (body weight and body fat) and energy intake/expenditure in each phase...
March 6, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29474428/fat-max-as-an-index-of-aerobic-exercise-performance-in-mice-during-uphill-running
#12
Kengo Ishihara, Hirokazu Taniguchi
Endurance exercise performance has been used as a representative index in experimental animal models in the field of health sciences, exercise physiology, comparative physiology, food function or nutritional physiology. The objective of the present study was to evaluate the effectiveness of Fatmax (the exercise intensity that elicits maximal fat oxidation) as an additional index of endurance exercise performance that can be measured during running at submaximal exercise intensity in mice. We measured both Fatmax and Vo2 peak of trained ICR mice that voluntary exercised for 8 weeks and compared them with a sedentary group of mice at multiple inclinations of 20, 30, 40, and 50° on a treadmill...
2018: PloS One
https://www.readbyqxmd.com/read/29473893/restoration-of-muscle-glycogen-and-functional-capacity-role-of-post-exercise-carbohydrate-and-protein-co-ingestion
#13
Abdullah F Alghannam, Javier T Gonzalez, James A Betts
The importance of post-exercise recovery nutrition has been well described in recent years, leading to its incorporation as an integral part of training regimes in both athletes and active individuals. Muscle glycogen depletion during an initial prolonged exercise bout is a main factor in the onset of fatigue and so the replenishment of glycogen stores may be important for recovery of functional capacity. Nevertheless, nutritional considerations for optimal short-term (3-6 h) recovery remain incompletely elucidated, particularly surrounding the precise amount of specific types of nutrients required...
February 23, 2018: Nutrients
https://www.readbyqxmd.com/read/29453741/fuel-for-the-work-required-a-theoretical-framework-for-carbohydrate-periodization-and-the-glycogen-threshold-hypothesis
#14
Samuel G Impey, Mark A Hearris, Kelly M Hammond, Jonathan D Bartlett, Julien Louis, Graeme L Close, James P Morton
Deliberately training with reduced carbohydrate (CHO) availability to enhance endurance-training-induced metabolic adaptations of skeletal muscle (i.e. the 'train low, compete high' paradigm) is a hot topic within sport nutrition. Train-low studies involve periodically training (e.g., 30-50% of training sessions) with reduced CHO availability, where train-low models include twice per day training, fasted training, post-exercise CHO restriction and 'sleep low, train low'. When compared with high CHO availability, data suggest that augmented cell signalling (73% of 11 studies), gene expression (75% of 12 studies) and training-induced increases in oxidative enzyme activity/protein content (78% of 9 studies) associated with 'train low' are especially apparent when training sessions are commenced within a specific range of muscle glycogen concentrations...
May 2018: Sports Medicine
https://www.readbyqxmd.com/read/29440695/combination-of-nutritional-polyphenols-supplementation-with-exercise-training-counteracts-insulin-resistance-and-improves-endurance-in-high-fat-diet-induced-obese-rats
#15
Karen Lambert, Marie Hokayem, Claire Thomas, Odile Fabre, Cécile Cassan, Annick Bourret, Florence Bernex, Christine Feuillet-Coudray, Cécile Notarnicola, Jacques Mercier, Antoine Avignon, Catherine Bisbal
Separately, polyphenols and exercise are known to prevent insulin resistance (IR) but their combined curative effects on established obesity and IR require further investigation. Therefore, we compared the metabolic effects of a combination of exercise and grape polyphenols supplementation in obese IR rats with high-fat diet (EXOPP) to the effect of high-fat diet alone (HF) or with a nutritional supplementation of grape polyphenols (PP) or with endurance exercise (EXO) during 8 wks. We observed an improvement of systemic and skeletal muscle insulin sensitivity in EXO and EXOPP rats...
February 13, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29415895/intracellular-localization-of-diacylglycerols-and-sphingolipids-influences-insulin-sensitivity-and-mitochondrial-function-in-human-skeletal-muscle
#16
Leigh Perreault, Sean A Newsom, Allison Strauss, Anna Kerege, Darcy E Kahn, Kathleen A Harrison, Janet K Snell-Bergeon, Travis Nemkov, Angelo D'Alessandro, Matthew R Jackman, Paul S MacLean, Bryan C Bergman
BACKGROUND: Accumulation of diacylglycerol (DAG) and sphingolipids is thought to promote skeletal muscle insulin resistance by altering cellular signaling specific to their location. However,the subcellular localization of bioactive lipids in human skeletal muscle is largely unknown. METHODS: We evaluated subcellular localization of skeletal muscle DAGs and sphingolipids in lean individuals (n = 15), endurance-trained athletes (n = 16), and obese men and women with (n = 12) and without type 2 diabetes (n = 15)...
February 8, 2018: JCI Insight
https://www.readbyqxmd.com/read/29392087/role-of-dietary-protein-and-muscular-fitness-on-longevity-and-aging
#17
REVIEW
Barbara Strasser, Konstantinos Volaklis, Dietmar Fuchs, Martin Burtscher
Muscle atrophy is an unfortunate effect of aging and many diseases and can compromise physical function and impair vital metabolic processes. Low levels of muscular fitness together with insufficient dietary intake are major risk factors for illness and mortality from all causes. Ultimately, muscle wasting contributes significantly to weakness, disability, increased hospitalization, immobility, and loss of independence. However, the extent of muscle wasting differs greatly between individuals due to differences in the aging process per se as well as physical activity levels...
February 2018: Aging and Disease
https://www.readbyqxmd.com/read/29380873/annotation-of-gut-bacterial-taxonomic-and-functional-diversity-in-spodoptera-litura-and-spilosoma-obliqua
#18
Kiran G Bapatla, Arjun Singh, Srujana Yeddula, Ramanagouda H Patil
The insect gut has been the house of many taxonomically and physiologically diverse groups of microbial colonizers as symbionts and commensals, which are evolving to support the physiological requirement of insects. Lepidoptera is one of the important family of class hexapoda, comprising agriculture insect pest Spodoptera litura and Spilosoma obliqua. Information on gut microbiota and their functional role in these insects was meager to elucidate the wide-ranging survivalist mechanisms. In this context, we analyzed the composition, diversity and functional role of gut bacteria in S...
March 2018: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/29378327/trib3-limits-fgf21-induction-during-in-vitro-and-in-vivo-nutrient-deficiencies-by-inhibiting-c-ebp-atf-response-elements-in-the-fgf21-promoter
#19
Tiit Örd, Daima Örd, Tõnis Örd
Mammals must be able to endure periods of limited food availability, and the liver plays a central role in the adaptation to nutritional stresses. TRIB3 (Tribbles homolog 3) is a cellular stress-inducible gene with a liver-centric expression pattern and it has been implicated in stress response regulation and metabolic control. In the current article, we study the involvement of TRIB3 in responses to nutrient deficiencies, including fasting for up to 48 h in mice. We show that hepatic expression of Trib3 is increased after 48 h of fasting and mice with a targeted deletion of the Trib3 gene present elevated hepatic triglyceride content and liver weight at 48 h, along with an upregulation of lipid utilization genes in the liver...
March 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29366354/dietary-habits-and-energy-balance-in-an-under-21-male-international-soccer-team
#20
Dorianne Caruana Bonnici, Ibrahim Akubat, Matthew Greig, Andy Sparks, Lars R Mc Naughton
Soccer presents a metabolic challenge which is not necessarily matched by players' habitual dietary intake. To examine the effects of a bespoke diet, 22 players completed the Ball Sport Endurance and Sprint Test (BEAST90mod ) protocol, followed by 4 days of regulated nutritional intake. The diet consisted of 10 g∙kg-1 body mass (BM) and 1.7 g∙kg-1 BM of carbohydrate and protein, respectively. On day 5, players followed a prematch nutritional strategy of 7 g∙kg-1 BM of carbohydrate and 1 g∙kg-1 BM of protein divided into three meals and then repeated the BEAST90mod ...
April 2018: Research in Sports Medicine
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