Developing the core 

 - vii, 215 pages :   photographs ;   26 cm 
 - Sport performance series .
 - Sport performance series .
<br/><br/><label>ISBN: </label>9780736095495 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Exercise. ; Abdominal exercises. ; Abdomen - Muscles.
<br/><br/><label>Dewey Class. No.: </label>613.7