What is the biggest fitness challenge holding people back from starting or sticking to a program? ADVERTISEMENT 880 viewsSeptember 22, 2015 0 Angie September 22, 2015 0 Comments 10 Answers ActiveVotedNewestOldest 0 Nancy7 Posted 0 Comments The excuse is often time. The reason is more often motivation. It’s not an easy thing to change habits, and exercise is hard work. You are viewing 1 out of 10 answers, click here to view all answers. Register or Login