Myers, Clayton R. <br/><br/>The official YMCA physical fitness handbook / Clayton R. Myers.   -- New York:  Popular Library.,  1975. <br/>198 p.:  ill.;  18 cm. <br/><br/> includes bibliographical references and index. <br/><br/><label>ISBN: </label>0445083530 <br/><br/><label>Subjects--Topical Terms: </label><br/>Exercise.<br/>Physical fitness.<br/>Health. <br/><br/><label>Dewey Class. No.: </label>Res 613.71 M9921 1975