Download or read book The Effect of Pre exercise Modified Starch Feedings on Carbohydrate Metabolism During Endurance Exercise written by Carrie Jo Leiran Lockard and published by . This book was released on 1992 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effects of Acid Modified Cornstarch Ingestion During Exercise on Carbohydrate Utilization written by Emily Rebecca Martini and published by . This book was released on 2002 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to compare metabolic and performance effects of ingestion of glucose, acid-modified high amylose starch and placebo during endurance exercise at 60% of V02 peak. Specifically, we sought to determine effects on plasma glucose maintenance, total carbohydrate oxidation as measured by indirect calorimetry, exogenous carbohydrate oxidation using 13C02 excretion, and endurance performance. Ten male subjects cycled to fatigue at 60% of V02peak, after ingesting acid-modified high amylose starch (AMS), glucose, or a sweet non-caloric placebo. The ingestion protocol consisted of a bolus feeding of 4 ml/kg (280 ml, 22 g CHO for a 70 kg person) at the onset of exercise, and 2 ml/kg body weight every 15 minutes for the duration of the exercise. All trials were separated by 1 week and treatments were administered in a random, double blind manner. The plasma glucose derived from exogenous carbohydrates (CHO) at the time of fatigue for AMS, and glucose were 23% and 46% respectively. A significant difference was seen among treatments. Maximum exogenous 13C oxidation rates were 0.69 g/min, 0.21 g/min for the GLU and AMS trials respectively. Exogenous carbohydrate oxidized was different among treatments. Overall time to exhaustion was significantly lower in the CON treatments (138 min), compared to the AMS (158 min) and GLU (159 min) treatments. Carbohydrate in the form of an acid-modified starch was digested, absorbed, and metabolized when ingestion during endurance exercise, as supported by the direct measured of absorption and oxidation of the exogenous carbohydrate using 13C methodology.
Download or read book Carbohydrate Feedings One Hour Before Endurance Exercise written by Maria Christine Peden and published by . This book was released on 1989 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effect of Pre Exercise Feeding on Endurance Performance written by Carrie Lynn Petteys and published by . This book was released on 2002 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: Glycogen depletion can have a deleterious effect on endurance performance. The use of carbohydrates ingested either before exercise or during has been a topic of numerous studies. However previous studies have been seriously limited by the use of non-athletically representative outcome measures. This study was designed to test whether or not ingesting a carbohydrate solution 30 min prior to endurance exercise would have an effect on endurance performance. Ten well-trained cyclists performed three 40 km time trials (one for habituation purposes), using a control and a carbohydrate solution (35 grams). Time to completion, power output, velocity, blood lactate, blood glucose (BG), HR, and RPE were measured during the ride. There were no significant differences, except for a significant drop in BG at the beginning of the ride. Based on these results, the use of carbohydrates before endurance exercise does not hinder endurance performance.
Download or read book Effect of Pre exercise Carbohydrate Feedings on Endurance Cycling Performance written by M. Hargreaves and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pre exercise Carbohydrate Feedings and Endurance Performance written by Mark Hargreaves and published by . This book was released on 1984 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effects of Adaptation to a Low Carbohydrate High Fat Diet and Pre Exercise Feeding on Exercise Endurance Metabolism and Cardiovascular Dynamics in Swine written by Charles G. Gray and published by . This book was released on 1988 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Field combat personnel may be required to sustain moderate intensity work loads for extended periods, while having to eat-on-the-run. The use of a low carbohydrate (7% of calories)/high fat (74% of calories) diet (LCD) has been suggested as a means of improving endurance during moderate intensity exercise. Little is known about the interactions between preexercise eating and its effects on mechanisms of cardiovascular and metabolic control. A series of experiments were performed to establish a basis for manipulation of the metabolic system to improve exercise performance. Preexercise feeding resulted in reduced skeletal and cardiac muscle blood flows at identical exercise intensities in spite of an increased cardiac output needed for the digestive process. The finding of reduced myocardial blood flow, accompanying the increased blood flow demands for the digestive process during exercise has implications related to the occurrence of postprandial angina in man. The interactions between adaptation to a LCD and preexercise eating have potential application to enhancing performance of combat personnel. The interrelationships among these and other variables are briefly discusses.
Download or read book The Balance of Fat and Carbohydrate Metabolism During Prolonged Exercise written by Mark James O'Brien and published by . This book was released on 1995 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nutrition Health and Athletic Performance written by Kelly Pritchett and published by MDPI. This book was released on 2018-07-04 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Nutrition, Health and Athletic Performance" that was published in Nutrients
Download or read book Effects of Pre exercise Carbohydrate Consumption on Metabolism During Exercise written by Luke James Monzingo and published by . This book was released on 2016 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is well documented that consuming carbohydrates (CHO) prior to exercise has been shown to alter metabolism. There are many ways that CHO ingestion affects substrate utilization and blood glucose dynamics at the start of exercise. Changes in the concentrations of blood glucose, insulin, glucagon, free fatty acids (FFAs) as well as varying utilizations of different substrates have been observed. Each of these responses is reflective of the body’s capacity to maintain homeostasis through different physiological conditions and demands. PURPOSE: The aim is to deduce how varying amounts (approximately 0, 12.5, 25 and 50g for a 70 kg person) of pre-exercise sucrose ingestion effects metabolism including blood glucose concentration and fat oxidation during 30 minutes of moderate intense exercise. METHODS: This will be a randomized crossover study. After the initial assessment of baseline data (VO2peak), participants will be asked to perform four cycling trials at 50% of VO2peak for 30 minutes. Forty-five minutes before each exercise trial, participants will consume 0, 12.5, 25 and 50g (for a 70kg person) of sucrose. VO2 and VCO2 will be collected for 15 minutes prior to exercise and for the entire 30 minutes of cycling. Blood glucose will be obtained through the finger prick method and collected directly prior to exercise, 5, 15 and 30 minutes into cycling. Heart rate and rate of perceived exertion will be measured every 5 minutes of exercise. DISCUSSION: It is speculated that a small dose (12.5g for a 70kg person) of pre-exercise sucrose consumption will be able to demonstrate a decline in blood glucose concentration during exercise with a step-wise reduction in fat oxidation. This dose response curve will display the sensitivity of metabolism to ingested sucrose.
Download or read book The Effect of Pre exercise Feeding on Endurance Exercise Performance written by Dale Benjamin Speedy and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effect of Pre exercise Ingestion of Modified Amylomaize Starch on Endurance Performance written by Rachel Bell and published by . This book was released on 2011 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Exercise Nutrition and Energy Metabolism written by Edward S. Horton and published by MacMillan Publishing Company. This book was released on 1988 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Discusses the relationships among nutrition, energy metabolism, and physical exercise, with particular emphasis on normal human physiology, the effects of physical training, and the impact of exercise and nutrition on selected disease states. Each chapter was written by one or more experts in the subject covered. The purpose of this book is to provide the professional with an indepth view of the broad range of nutritional and metabolic implications imposed by exercise.
Download or read book Master s Theses Directories written by and published by . This book was released on 1993 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Education, arts and social sciences, natural and technical sciences in the United States and Canada".
Download or read book Cumulated Index Medicus written by and published by . This book was released on 2000 with total page 1828 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effects of Two Hour Pre exercise Carbohydrate Feedings on Cycling Performance written by Amy Lynn Babcock and published by . This book was released on 1994 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Commencement Program written by Iowa State University and published by . This book was released on 1988 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt:
