7 Fitness Instructors on Their Biggest Pet Peeves
There are a lot of group-workout classes out there — and even more stories of bad behavior, avoidable injuries, and ill-timed selfies.
From their spot at the front of the studio, group-fitness instructors can see the people running in late, doing their own thing, talking to their friends, taking selfies, texting, taking off their socks, or recording t... More »
