Whats your favorite exercise to work your core? ADVERTISEMENT 1.56K viewsSeptember 9, 2011 0 Laura September 9, 2011 0 Comments 20 Answers ActiveVotedNewestOldest 0 Michael0 Posted 0 Comments Planks and crunches would be my two choices! You are viewing 1 out of 20 answers, click here to view all answers. Register or Login