What is an appropriate ratio of ab work to lower back work? ADVERTISEMENT 1.84K viewsJune 15, 2011 0 jill0 June 15, 2011 0 Comments how much time to you spend working abs vs. the back (opposing muscle groups)? 11 Answers ActiveVotedNewestOldest 0 Maria0 Posted 0 Comments I think the best approach is to combine both with a good core workout that incorporates the entire core and hip girdle. You are viewing 1 out of 11 answers, click here to view all answers. Register or Login