GroupEx: Just for fun, 2 questions… ADVERTISEMENT 509 viewsMarch 20, 2018 0 MATTHEW0 March 19, 2018 0 Comments Just for fun, 2 questions… 1) What is the most grueling class format you teach? 2) What is the most fun class format you teach? 5 Answers ActiveVotedNewestOldest 0 Nancy7 Posted 0 Comments 1) HIIT 2) Zumba You are viewing 1 out of 5 answers, click here to view all answers. Register or Login