What is the hardest exercise to teach? ADVERTISEMENT 855 viewsJune 14, 20110 Shane June 14, 2011 0 Comments Hardest exercise to teach to clients. 15 AnswersActiveVotedNewestOldest 0 Joanne0 Posted 0 Comments Turkish get up with a kettlebell. You are viewing 1 out of 15 answers, click here to view all answers. Register or Login
