Ultimate core ball workout : strengthening and sculpting exercises with over 200 step-by-step photos /

• Main Author: Detz, Jeanine (συγγραφέας.)
• Format: Book
• Language: English
• Published: Berkley : Ulysses Press, c2005.
• Subjects: Σωματοδόμηση; Μπάλες γυμναστικής