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Diet and sport

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https://www.readbyqxmd.com/read/29766694/analysis-of-the-choice-of-food-products-and-the-energy-value-of-diets-of-female-middle-and-long-distance-runners-depending-on-the-self-assessment-of-their-nutritional-habits
#1
Dominika Głąbska, Marta Jusińska
Background: Properly balanced diet is especially important in the case of young athletes, as it influences not only their physical development, but also influences results obtained during trainings and competitions. Objective: The aim of the study was to assess the choice of food products and the energy value of diets of female middleand long-distance runners, depending on the self-assessment of their nutritional habits. Material and methods: The study was conducted in the group of 40 female middle- and long-distance runners, aged 15-25, who declared average diet (n=15, 37...
2018: Roczniki Państwowego Zakładu Higieny
https://www.readbyqxmd.com/read/29746803/urine-specific-gravity-as-an-indicator-of-dehydration-in-olympic-combat-sport-athletes-considerations-for-research-and-practice
#2
Damir Zubac, Reid Reale, Hrvoje Karnincic, Anamaria Sivric, Igor Jelaska
Urine specific gravity (USG ) is the most commonly reported biochemical marker used in research and applied settings to detect fluid deficits in athletes, including those participating in combat sports. Despite the popularity of its use, there has been a growing debate regarding the diagnostic accuracy and the applicability of USG in characterizing whole-body fluid status and fluctuations. Moreover, recent investigations report universally high prevalence of hypohydration (∼90%) via USG assessment in combat sport athletes, often in spite of stable body-mass...
May 10, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29735573/adolescent-consumption-of-sports-drinks
#3
Kyla Cordrey, Sarah A Keim, Ruth Milanaik, Andrew Adesman
BACKGROUND: Sports drinks are aggressively marketed to teenagers to replenish fluids and/or electrolytes. According to the American Academy of Pediatrics, typical adolescent physical activity does not require sports drink rehydration. Given US obesity rates and that sugar-sweetened sports drinks add superfluous calories to the diet, it is important to assess adolescent sports drink consumption and changes over time. METHODS: Researchers in the 2015 Youth Risk Behavior Survey and 2010 National Youth Physical Activity and Nutrition Survey collected nationally representative samples of US high school students about sports drink consumption...
May 7, 2018: Pediatrics
https://www.readbyqxmd.com/read/29730785/may-the-force-be-with-you-why-resistance-training-is-essential-for-subjects-with-type-2-diabetes-mellitus-without-complications
#4
REVIEW
Roberto Codella, Marta Ialacqua, Ileana Terruzzi, Livio Luzi
Physical activity, together with diet and pharmacological therapy, represents one of the three cornerstones in type 2 diabetes mellitus treatment and care. The therapeutic appeal of regular physical activity stems from: (i) its non-pharmacological nature; (ii) its beneficial effects on the metabolic risk factors associated with diabetes complications; (iii) its low costs. Evidence accumulated in the last years suggests that aerobic training-endurance training-constitutes a safe modality of intervention, achievable, and effective in diabetes treatment, whenever it is not limited by comorbidities...
May 5, 2018: Endocrine
https://www.readbyqxmd.com/read/29729287/which-healthy-lifestyle-factors-are-associated-with-a-lower-risk-of-suicidal-ideation-among-adolescents-faced-with-cyberbullying
#5
M Rodelli, I De Bourdeaudhuij, E Dumon, G Portzky, A DeSmet
Cyberbullying is associated with negative mental health outcomes including adolescent suicidal ideation. This requires effective and accessible preventive efforts. Healthy lifestyles are factors adolescents themselves can modify that may lower their risk of suicidal ideation. The aim of this study was to examine associations between physical activity, (outdoor) sport participation, a healthy diet, higher sleep duration and low levels of smoking and alcohol use, and suicidal ideation when faced with cyberbullying...
May 2, 2018: Preventive Medicine
https://www.readbyqxmd.com/read/29701639/energy-deficit-required-for-rapid-weight-loss-in-elite-collegiate-wrestlers
#6
Emi Kondo, Hiroyuki Sagayama, Yosuke Yamada, Keisuke Shiose, Takuya Osawa, Keiko Motonaga, Shiori Ouchi, Akiko Kamei, Kohei Nakajima, Yasuki Higaki, Hiroaki Tanaka, Hideyuki Takahashi, Koji Okamura
To determine energy density for rapid weight loss (RWL) of weight-classified sports, eight male elite wrestlers were instructed to lose 6% of body mass (BM) within 53 h. Energy deficit during the RWL was calculated by subtracting total energy expenditure (TEE) determined using the doubly labeled water method (DLW) from energy intake (EI) assessed with diet records. It was also estimated from body composition change estimated with the four-component model (4C) and other conventional methods. BM decreased significantly by 4...
April 26, 2018: Nutrients
https://www.readbyqxmd.com/read/29678807/digital-inequalities-in-the-use-of-self-tracking-diet-and-fitness-apps-interview-study-on-the-influence-of-social-economic-and-cultural-factors
#7
Faustine Régnier, Louis Chauvel
BACKGROUND: Digital devices are driving economic and social transformations, but assessing the uses, perceptions, and impact of these new technologies on diet and physical activity remains a major societal challenge. OBJECTIVE: We aimed to determine under which social, economic, and cultural conditions individuals in France were more likely to be actively invested in the use of self-tracking diet and fitness apps for better health behaviors. METHODS: Existing users of 3 diet and fitness self-tracking apps (Weight Watchers, MyFitnessPal, and sport apps) were recruited from 3 regions of France...
April 20, 2018: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/29667132/obesity-and-episodic-memory-function
#8
REVIEW
Paul D Loprinzi, Emily Frith
Obesity-related lifestyle factors, such as physical activity behavior and dietary intake, have been shown to be associated with episodic memory function. From animal work, there is considerable biological plausibility linking obesity with worse memory function. There are no published systematic reviews evaluating the effects of obesity on episodic memory function among humans, and examining whether physical activity and diet influences this obesity-memory link. Thus, the purpose of this systematic review was to evaluate the totality of research examining whether obesity is associated with episodic memory function, and whether physical activity and dietary behavior confounds this relationship...
April 17, 2018: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/29643758/prevalence-of-supplement-use-in-recreationally-active-kazakhstan-university-students
#9
Denis Vinnikov, Zhanna Romanova, Anar Dushpanova, Karashash Absatarova, Zhazira Utepbergenova
Background: Little is known about the supplements use and recreational sport practices in Kazakhstan university students. Therefore, the aim of this study was to ascertain supplements use prevalence and their predictors in this population. Methods: Cross-sectional survey of both undergraduate and graduate level students was completed in 2017 et al.-Farabi Kazakh National University, the largest higher institution in the country, from almost all Schools. A 45-item questionnaire was used to record physical activity, supplements use, lifestyle attributes (smoking, alcohol, sleep, etc...
2018: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29619799/low-carbohydrate-ketogenic-diet-impairs-anaerobic-exercise-performance-in-exercise-trained-women-and-men-a-randomized-sequence-crossover-trial
#10
Kymberly A Wroble, Morgan N Trott, George G Schweitzer, Rabia S Rahman, Patrick V Kelly, Edward P Weiss
BACKGROUND: Low-carbohydrate, ketogenic diets cause mild, sub-clinical systemic acidosis. Anaerobic exercise performance is limited by acidosis. Therefore, we evaluated the hypothesis that a low-carbohydrate, ketogenic diet impairs anaerobic exercise performance, as compared to a high-carbohydrate diet. METHODS: Sixteen men and women (BMI, 23±1 kg/m2, age 23±1 yr) participated in a randomized-sequence, counterbalanced crossover study in which they underwent exercise testing after four days of either a low-carbohydrate, ketogenic diet (LC; <50 g/day and <10% of energy from carbohydrates) or a high-carbohydrate diet (HC; 6-10 g/kg/day carbohydrate)...
April 4, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29614732/determinants-of-child-health-behaviors-in-a-disadvantaged-area-from-a-community-perspective-a-participatory-needs-assessment
#11
Manou Anselma, Mai Jeanette Maidy Chinapaw, Teatske Maria Altenburg
Children from disadvantaged areas are hard to reach for interventions aimed at promoting healthy lifestyles. We conducted a participatory needs assessment, in which researchers collaborated with a community in a disadvantaged area in Amsterdam to gain an understanding of the health-related issues of children within this community. Qualitative data was collected through: three to four participatory group meetings with three groups of 9-12-year-old children ( n = 5-9 per group); nine interviews with professionals working with youth; two interviews with parents and their children; and informal meetings including 31 parents...
March 31, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29589768/ioc-consensus-statement-dietary-supplements-and-the-high-performance-athlete
#12
Ronald J Maughan, Louise M Burke, Jiri Dvorak, D Enette Larson-Meyer, Peter Peeling, Stuart M Phillips, Eric S Rawson, Neil P Walsh, Ina Garthe, Hans Geyer, Romain Meeusen, Luc van Loon, Susan M Shirreffs, Lawrence L Spriet, Mark Stuart, Alan Vernec, Kevin Currell, Vidya M Ali, Richard G M Budgett, Arne Ljungqvist, Margo Mountjoy, Yannis Pitsiladis, Torbjørn Soligard, Uğur Erdener, Lars Engebretsen
Nutrition usually makes a small but potentially valuable contribution to successful performance in elite athletes, and dietary supplements can make a minor contribution to this nutrition program. Nonetheless, supplement use is widespread at all levels of sport. Products described as supplements target different issues, including the management of micronutrient deficiencies, supply of convenient forms of energy and macronutrients, and provision of direct benefits to performance or indirect benefits such as supporting intense training regimens...
March 28, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29588986/young-people-with-epilepsy-have-an-increased-risk-of-eating-disorder-and-poor-quality-diet
#13
Eivind Kolstad, Marte Bjørk, Nils Erik Gilhus, Kristin Alfstad, Jocelyn Clench-Aas, Morten Lossius
Objective: To investigate whether adolescents with epilepsy are at increased risk of having self-reported eating disorder symptoms and poor quality diet compared to young people from the general population. Methods: We used data from the Health Profile for Children and Youth in Akershus Study, a cross-sectional population-based study based on a voluntary self-reported questionnaire. There were 19,995 participants (response rate 85%) aged 13-19 years; 247 (1.2%) reported a lifetime diagnosis of epilepsy...
March 2018: Epilepsia Open
https://www.readbyqxmd.com/read/29565161/-adherence-to-the-mediterranean-diet-in-inactive-adults-indoor-cycling-practitioners-and-amateur-cyclists
#14
Carmen Mayolas-Pi, Diego Munguia-Izquierdo, Carlos Peñarrubia-Lozano, Joaquín Reverter-Masia, Javier Bueno-Antequera, Isaac López-Laval, Miguel Ángel Oviedo-Caro, Víctor Murillo-Lorente, Alfonso Murillo-Fuentes, Federico Paris-García, Alejandro Legaz-Arrese
INTRODUCTION: There is limited information referred to the relationship between adherence to the Mediterranean Diet (AMD) and sports practice. OBJECTIVE: To determinate the association of cycling practice and cycling training volume with the AMD and the influence of the participation in a high-demand cyclist event on the AMD. MATERIAL AND METHODS: A first evaluation of AMD in 785 (84 women) amateur cyclists (volume: ≥ 7 hours/week), 514 (224 women) indoor cycling practitioners (volume: 2-6 hours/week) and 718 (411 women) inactive adults was conducted in May coinciding with the participation of cyclists in a cycling event...
November 24, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29540367/ioc-consensus-statement-dietary-supplements-and-the-high-performance-athlete
#15
Ronald J Maughan, Louise M Burke, Jiri Dvorak, D Enette Larson-Meyer, Peter Peeling, Stuart M Phillips, Eric S Rawson, Neil P Walsh, Ina Garthe, Hans Geyer, Romain Meeusen, Lucas J C van Loon, Susan M Shirreffs, Lawrence L Spriet, Mark Stuart, Alan Vernec, Kevin Currell, Vidya M Ali, Richard Gm Budgett, Arne Ljungqvist, Margo Mountjoy, Yannis P Pitsiladis, Torbjørn Soligard, Uğur Erdener, Lars Engebretsen
Nutrition usually makes a small but potentially valuable contribution to successful performance in elite athletes, and dietary supplements can make a minor contribution to this nutrition programme. Nonetheless, supplement use is widespread at all levels of sport. Products described as supplements target different issues, including (1) the management of micronutrient deficiencies, (2) supply of convenient forms of energy and macronutrients, and (3) provision of direct benefits to performance or (4) indirect benefits such as supporting intense training regimens...
April 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29510788/nutritional-considerations-for-the-vegetarian-and-vegan-dancer
#16
Derrick D Brown
Vegetarianism provides a catchall term for a variety of diets that exclude the consumption of some or all animal products. Contrary to popular claims, appropriately designed and managed vegetarian diets contain foods nutritionally sufficient for health, well-being, and physical performance. Vegetarian dancers can meet their protein needs from primarily or exclusively (vegan) plant-based sources when a variety of these foods are consumed daily and energy intake is adequate. However, the quality and timing of dietary intake is of key importance to meet the physical demands typical of high intensity, intermittent types of dance styles...
March 15, 2018: Journal of Dance Medicine & Science
https://www.readbyqxmd.com/read/29485339/macronutrient-intakes-of-male-rugby-union-players-a-review
#17
Katherine E Black, Alistair D Black, Dane F Baker
Rugby is a worldwide intermittent team sport, players tend to be heavier than the majority of similar team sport athletes on whom the dietary guidelines have been developed. Therefore, the aim of the current review was to describe the intakes of rugby union players. Article databases were searched up to February 2017 and were included if they were published in English and reporting dietary intakes of male rugby union players. Of the research articles found energy intakes were lower than four of the five studies which reported intakes and expenditure, which would suggest the players were losing weight which is somewhat supported by the decreases in skinfolds seen during pre-season...
February 27, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29479525/perspectives-on-underlying-factors-for-unhealthy-diet-and-sedentary-lifestyle-of-adolescents-at-a-kenyan-coastal-setting
#18
Derrick Ssewanyana, Amina Abubakar, Anneloes van Baar, Patrick N Mwangala, Charles R Newton
Unhealthy diet and physical inactivity are among the key modifiable risk factors for non-communicable diseases, such as diabetes and cardiovascular disease. Although such diseases often only appear in adulthood, these behaviors are typically initiated or reinforced already during adolescence. However, knowledge on underlying factors for adolescents' unhealthy dieting and physical inactivity in sub-Saharan Africa (SSA) is poor. We conducted in-depth interviews and focus group discussions to explore the perceptions of a diverse group of 78 young people of 10-19 years of age, which also included some adolescents living with HIV, as this is an emerging group in the HIV/AIDS epidemic in many parts of SSA...
2018: Frontiers in Public Health
https://www.readbyqxmd.com/read/29460810/consequences-of-an-extreme-diet-in-the-professional-sport-refeeding-syndrome-to-a-bodybuilder
#19
Indrė Lapinskienė, Gabija Mikulevičienė, Gabija Laubner, Robertas Badaras
Refeeding syndrome, as a life-threatening condition, is well known among severely malnourished or deeply metabolically stressed patients. This case presents an atypical manifestation of the syndrome to a young bodybuilder, whose extreme diet, including 5 months of insufficient nourishment before the sport competition and 6 days of carbohydrates overload afterwards, has led him to a bilateral lower - limb paralysis and drastic homeostatic disturbances. Severe hypokalemia, hypophosphatemia, hypomagnesemia and hyperglycemia with mildly elevated liver enzymes have occurred...
February 2018: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29450135/development-of-a-specific-index-to-detect-malnutrition-in-athletes-validity-in-weight-class-or-intermittent-fasted-athletes
#20
François D Desgorces, Christophe Moinard, Mounir Chennaoui, Jean-François Toussaint, Cyril Petibois, Philippe Noirez
Fasted or weight-category athletes manage their training under strict diet conditions that could impair the stress-recovery balance and result in acute or chronic fatigue. However, to date, no validated biomarker are available to quantify this phenomena. The aim of this study was to assess the validity of a specific index combining plasma albumin and weight change to detect nutrition-related risks of fatigue increase and under-performance in athletes experiencing particular nutritional conditions. An athlete's nutrition risk index (ANRI) equation, based on data from lightweight and heavyweight rowers, was developed using relationship between plasma albumin concentrations combined to weight changes with sport performance and overtraining scores and was tested by odds ratio for failure...
June 2017: Biochimie open
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