Medicine Ball Core Workout Video by John Blilie | Jun 24, 2009 | Videos | 0 comments [youtube=http://www.youtube.com/watch?v=aGEFg9CDirY&hl=en&fs=1&] Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.