While talking to my coworker about my Shape Up series, I mentioned I wanted to take a dance class. She swore by Grit Fitness’ step aerobics class, so I signed up for an evening session. I was pumped.

Instructor Kaleila Jordan creates a fun, energetic atmosphere with a challenging lower-body workout. This class is a great choice if you're looking to engage your core, hips, and glutes. You'll move, ...

For the past few years, several kinds of dance-exercise programs have popped up as a fad and invaded American health culture, only to slowly dwindle away. But this year, instructors are offering an ...