Lox, Curt. The psychology of exercise : integrating theory and practice / Curt L. Lox, Kathleen A. Martin Ginis, Steven J. Petruzzello. - 3rd ed. - Scottsdale, Ariz. : Holcomb Hathaway Publishers, c2010. - xviii, 462 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 9781934432051 Subjects--Topical Terms: Exercise--Psychological aspects.Physical fitness--Psychological aspects. LC Class. No.: GV481.2 / .L69 2010