Why are roll ups and roll downs in Pilates, not a good “core” exercise? ADVERTISEMENT 2.47K viewsJune 15, 2011 0 Elizabeth0 June 15, 2011 0 Comments What are you truly working in this exercise? 18 Answers ActiveVotedNewestOldest 0 DollyB0 Posted 0 Comments You are viewing 1 out of 18 answers, click here to view all answers. Register or Login