Fitness and Wellness SEVENTH EDITION www.wadsworth.com wadsworth.com is the World Wide Web site for Wadsworth and is your direct source to dozens of online resources. At wadsworth.com you can find out about supplements, demonstration software, and student resources. You can also send e-mail to many of our authors and preview new publications and exciting new technologies. wadsworth.com Changing the way the world learns® This page intentionally left blank SEVENTH EDITION Fitness and Wellness W E R N E R W. K. H O E G E R Boise State University S H A R O N A. H O E G E R Fitness and Wellness, Inc. Australia • Brazil • Canada • Mexico • Singapore Spain • United Kingdom • United States Fitness and Wellness, Seventh Edition Werner W. K. Hoeger, Sharon A. Hoeger EXECUTIVE EDITOR: Nedah Rose ASSISTANT EDITOR: Colin Blake TECHNOLOGY PROJECT MANAGER: Donna Kelley MARKETING MANAGER: Jennifer Somerville MARKETING ASSISTANT: Michele Colella MARKETING COMMUNICATIONS MANAGER: Jessica Perry PROJECT MANAGER, EDITORIAL PRODUCTION: Sandra Craig ART DIRECTOR: Lee Friedman PRINT BUYER: Karen Hunt PERMISSIONS EDITOR: Joohee Lee PRODUCTION, COMPOSITION, ILLUSTRATION: Ash Street Typecrafters, Inc. TEXT AND COVER DESIGNER: Norman Baugher COPY EDITOR: Carol Lombardi COVER IMAGE: © Alan Becker/Getty Images PRINTER: Quebecor World / Taunton CREATIVE DIRECTOR: Rob Hugel © 2007 Thomson Wadsworth, a part of The Thomson Corporation. Thomson, the Star logo, and Wadsworth are trademarks used herein under license. ALL RIGHTS RESERVED. No part of this work covered by the copyright hereon may be reproduced or used in any form or by any means—graphic, electronic, or mechanical, including photocopying, recording, taping, Web distribution, information storage and retrieval systems, or in any other manner—without the written permission of the publisher. Printed in the United States of America 1 2 3 4 5 6 7 10 09 08 07 06 ExamView® and ExamView Pro® are registered trademarks of FSCreations, Inc. Windows is a registered trademark of the Microsoft Corporation used herein under license. Macintosh and Power Macintosh are registered trademarks of Apple Computer, Inc. Used herein under license. © 2007 Thomson Learning Inc. All Rights Reserved. Thomson Learning WebTutor™ is a trademark of Thomson Learning Inc. Library of Congress Control Number: 2005938696 ISBN 0-495-01256-4 Thomson Higher Education 10 Davis Drive Belmont, CA 94002-3098 USA For more information about our products, contact us at: Thomson Learning Academic Resource Center 1-800-423-0563 For permission to use material from this text or product, submit a request online at http://www.thomsonrights.com. Any additional questions about permissions can be submitted by e-mail to