From Aqua Zumba and Indo Row to paddleboard yoga and unique mash-ups (such as TRX and spinning), we saw some seriously creative classes popping up more often on gym schedules. “Some of the more creative classes have grown in popularity because they offer a fun yet completely new way to challenge your body,” says Jessica Matthews, an exercise physiologist for the American Council on Exercise (ACE). “People continue to seek innovate ways to get fit and be social, and with the assortment of different classes offered, there truly is something to fit just about everyone’s unique likes and interests.”