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Excerpts
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Carbohydrate intake days before competition
Carbohydrate intake in the days before competition mainly replenishes muscle glyco-gen stores, whereas carbohydrate intake in the hours before competition optimizes liver glycogen stores.
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Carbohydrate intake during exercise
Convincing evidence from numerous studies indicates that carbohydrate feeding during exercise of about 45 minutes or longer can improve endurance capacity and performance.
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The role of dietary fat
Fat is an extremely important fuel for endurance exercise, along with carbohydrate, and some fat intake is required for optimal health.
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Normal ranges of body weight and body fat
Different sports have different requirements in terms of body composition. What is the proper body fat percentage for the average population versus that for athletes?
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©2012
Sport Nutrition 2nd Edition eBook
An Introduction to Energy Production and Performance
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Short Description
The e-book format allows readers to bookmark, highlight, and take notes throughout the text. When purchased through the HK site, access to the e-book is immediately granted when your order is received.
© 2010
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eBook
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ISBN-13: 9780736087155
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Sport Nutrition, Second Edition, is also available as an e-book. The e-book is available at a reduced price and allows readers to highlight and take notes throughout the text. When purchased through the Human Kinetics site, access to the e-book is immediately granted when the order is received.
The new edition of Sport Nutrition: An Introduction to Energy Production and Performance presents the principles, background, and rationale for current nutrition guidelines specifically for athletes. Using a physiological basis, this text provides an in-depth look at the science behind sport nutrition. Students will come away with a comprehensive understanding of nutrition as it relates to sport and the influence of nutrition on exercise performance, training, and recovery.
The chapters and the material within each chapter are sequenced in a logical order that will help instructors deliver a better course and spend less time in preparing lectures and tutorials. Instructors will also enjoy the completely new ancillaries with this edition, including an online instructor guide, test package, PowerPoint presentation package, and image bank. This text contains updated and expanded information to keep students current on the latest findings in sport nutrition:
- A new chapter on training adaptations, including effects of nutrition on overtraining
- New information on weight management and body composition for athletes
- New research on carbohydrate and new recommendations for carbohydrate intake during training
- An expanded discussion on the role of protein in strength and endurance exercise training
- The latest information on exercise, nutrition, and immune function
The new content complements the strong foundational information that the authors provided in the previous edition, including fuel sources for muscle and exercise metabolism, energy requirements for various sports, and a complete grounding in the macronutrients (carbohydrate, fat, and protein) and the micronutrients (vitamins and minerals). With more than 200 illustrations, new highlight boxes, and tables and sidebars throughout the text, students will be able to more easily grasp the scientific concepts presented in this text. Each chapter also includes learning objectives, key terms, and key points to help readers retain the information. The text presents not only nutrition principles but also the exercise biochemistry involved and the energy needs of athletes. Readers will better understand how supplements may be used in an athlete’s diet, and they will learn how to separate fact from fallacy regarding the claims of the numerous nutritional supplements available today.
More than a simple prescription of recommendations, this second edition of Sport Nutrition features a unique presentation that facilitates readers’ understanding of the science supporting the nutrition recommendations. As a result, students will be prepared for advanced study and future careers, and professionals will gain the knowledge and confidence to provide sound advice to athletes.
Chapter 1. Nutrients
Function of Nutrients
Carbohydrate
Fat
Protein
Water
Vitamins, Minerals, and Trace Elements
Phytonutrients
Chapter 2. Nutrients and Recommended Intakes
Essential Nutrients
Development of Recommended Intakes
Current Recommended Intakes
Practical Guidelines for a Balanced Healthy Diet
Food Labels
Analyzing Dietary Intake
Chapter 3. Fuel Sources for Muscle and Exercise Metabolism
Subcellular Skeletal Muscle Structure
Force Generation in Skeletal Muscle
Fiber Types
Energy for Muscle Force Generation
Fuel Stores in Skeletal Muscle
Regulation of Energy Metabolism
Metabolic Responses to Exercise
Metabolic Adaptations to Exercise Training
Chapter 4. Energy
Energetic Efficiency
Measuring the Energy Content of Food
Measuring Energy Expenditure
Components of Energy Expenditure
Energy Balance
Chapter 5. Gastric Emptying, Digestion, and Absorption
Anatomy of the Gastrointestinal Tract
Regulation of the Gastrointestinal Tract
Digestion
Absorption
Function of Bacteria in the Colon
Regulation of Gastric Emptying
Gastrointestinal Problems During and After Exercise
Chapter 6. Carbohydrate
History
Role of Carbohydrate
Recommendations for Carbohydrate Intake
Carbohydrate Intake Days Before Competition
Carbohydrate Intake Hours Before Exercise
Carbohydrate Intake 30 to 60 Minutes Before Exercise
Carbohydrate During Exercise
Carbohydrate After Exercise
Chapter 7. Fat
Fat Metabolism During Exercise
Limits to Fat Oxidation
Fat as a Fuel During Exercise
Regulation of Carbohydrate and Fat Metabolism
Fat Supplementation and Exercise
Effect of Diet on Fat Metabolism and Performance
Chapter 8. Protein and Amino Acids
Amino Acids
Techniques to Study Protein and Amino Acid Metabolism
Protein Requirements for Exercise
Training and Protein Metabolism
Effect of Protein Intake on Protein Synthesis
Amino Acids as Ergogenic Aids
Protein Intake and Health Risks
Chapter 9. Water Requirements and Fluid Balance
Thermoregulation and Exercise in the Heat
Effects of Dehydration on Exercise Performance
Mechanisms of Heat Illness
Effects of Fluid Intake on Exercise Performance
Daily Water Balance
Fluid Requirements for Athletes
Chapter 10. Vitamins and Minerals
Water-Soluble and Fat-Soluble Vitamins
Recommended Intakes of Vitamins
Macrominerals and Microminerals
Recommended Intakes of Minerals
Critical Micronutrient Functions
Assessing Micronutrient Status
Exercise and Micronutrient Requirements
Ergogenic Effect of Micronutrient Supplementation
Recommendations for Micronutrient Intake in Athletes
Chapter 11. Nutrition Supplements
Nonregulation of Nutrition Supplements
Critical Evaluation of Nutrition Supplements Studies
Androstenedione
Bee Pollen
Beta Alanine and Carnosine
Beta-Hydroxy Beta Methylbutyrate
Boron
Caffeine
L-Carnitine
Choline
Chromium
Coenzyme Q10
Creatine
Dehydroepiandrosterone
Fish Oil
Ginseng
Glycerol
Inosine
Lactate Salts and Polylactate
Lecithin
Medium-Chain Triacylglycerol
Pangamic Acid
Phosphatidylserine
Phosphorus
Pyruvate (and Dihydroxyacetone)
Sodium Bicarbonate
Sodium Citrate
Vanadium
Wheat Germ Oil
Contamination of Nutrition Supplements
Chapter 12. Nutrition and Training Adaptations
Training Adaptations
Signal Transduction Pathways
Starting a Signaling Cascade
Secondary Signals
Nutrition Effects on Training Adaptations
Overtraining
Chapter 13. Body Composition
Optimal Body Weight and Composition
Body Composition Models
Normal Ranges of Body Weight and Body Fat
Chapter 14. Weight Management
Body Weight and Composition in Different Sports
Genetics
Energy and Macronutrient Intake
Regulation of Appetite
Effect of Exercise on Appetite
Physical Activity and Energy Expenditure
Dietary Weight-Loss Methods
Exercise for Weight Loss
Decreased Resting Metabolic Rate With Weight Loss
Weight Cycling
Gender Differences in Weight Loss
Practicalities of Weight Loss for Athletes
Defining the Strategy
Chapter 15. Eating Disorders in Athletes
Types of Eating Disorders
Prevalence of Eating Disorders in Athletes
Risk Factors
Effects of Eating Disorders on Sports Performance
Effects of Eating Disorders on the Athlete’s Health
Treatment and Prevention of Eating Disorders
Chapter 16. Nutrition and Immune Function in Athletes
Functions of the Immune System and Its Cellular Components
General Mechanism of the Immune Response
Effects of Exercise on the Immune System
Nutritional Manipulations to Decrease Immunodepression in Athletes
Mechanisms of Nutritional Influences on Immune Function in Athletes
Conclusions and Recommendations
Appendix A. Key Concepts in Biological Chemistry Relevant to Sport Nutrition
Appendix B. Unit Conversion Tables
Appendix C. Recommended Daily Allowances for North America
Appendix D. Reference Nutrient Intakes for the United Kingdom
Appendix E. Recommended Dietary Intakes for Australia
Glossary
References
Index
Text for undergraduate introductory sport nutrition, exercise physiology, and sport science courses. Reference for sport nutritionists, dietitians, exercise and sport scientists, health and fitness instructors, physical educators, and coaches.
Asker Jeukendrup, PhD, is a professor of exercise metabolism in the School of Sport and Exercise Sciences at the University of Birmingham in Edgbaston, Birmingham, UK. He is an active researcher credited with many of the new findings in sport nutrition in the past decade. He is a registered sport and exercise nutritionist, having worked with many elite athletes and clubs, including the professional cycling team Rabobank, the Chelsea Football Club, UK Athletics, the British Olympic Association, African runners, and several Olympic and world champions. Jeukendrup has published extensively in sport nutrition and was an invited delegate to the IOC Consensus Conference on Sports Nutrition in Lausanne in 2003. He is a fellow of the AmericanCollege of Sports Medicine and the EuropeanCollege of Sport Sciences, the Physiological Society, the Nutrition Society, BASES, the New York Academy of Sciences, and the American Diabetic Association. He is also the editor of the European Journal of Sport Sciences. In his leisure time, he enjoys running, cycling, and competing in triathlons. He has completed more than 17 Ironman-distance races, including the Ironman Hawaii four times. Michael Gleeson, PhD, is a professor of exercise biochemistry in the School of Sport, Exercise and Health Sciences at LoughboroughUniversity in Loughborough, Leicestershire, UK. Gleeson is an active researcher in sport nutrition and has worked with numerous world-class athletes and professional football clubs. He has taught sport nutrition at the university level and has published extensively in scientific and medical journals. He also was an invited delegate to the IOC Consensus Conference on Sports Nutrition in Lausanne in 2003. He has a particular interest and expertise in the effects of exercise, training, and nutrition on immune function and has been both vice president and president of the International Society of Exercise and Immunology. Gleeson is also a fellow of the EuropeanCollege of Sport Sciences and a member of the AmericanCollege of Sports Medicine, the Physiological Society, and the British Association of Sport and Exercise Sciences. He enjoys playing tennis, hill walking, and watching football and films.
ANCILLARIES
Ancillary materials for this text are FREE to course adopters and available online at www.HumanKinetics.com/SportNutrition.
Instructor guide. This ancillary contains a course description and schedule, chapter objectives, class formats for each chapter, lecture outlines, key points for lectures, student assignments, recommended readings, and lab activities. Data collection sheets and resources for the lab activities are also provided.
Test package. Available through Respondus or in .rtf format, the test package includes approximately 640 true-or-false and multiple-choice questions. With Respondus, instructors can create versions of their own tests by selecting from the question pool, select their own test forms and save them for later editing or printing, and export the tests into a word-processing program.
Image bank. The image bank includes most of the figures, content photos, and tables from the text, sorted by chapter, that can be used in developing a customized presentation based on specific course requirements.
The image bank is also available for purchase • ISBN 978-0-7360-8716-2.
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