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An Introduction to Energy Production and Performance

ISBN: 9780736079624

Autores: Asker Jeukendrup, Michael Gleeson

Editora: HUMAN KINETICS

Número de Páginas: 488

Idioma: Inglês

Data Edição: 2010

105,80 €117,55 €
Poupa: 11,75 € | desconto de 10,0%

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 ExerciseChapter 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 SupplementsChapter 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


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.

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