Instructor Joe Davis lip-synched the opening line to Shania Twain’s “Man! I Feel Like a Woman!” in the middle of Dance Church, a morning gathering that feels more like a party than a fitness class.

You may be used to getting your sweat on by strength training or doing cardio workouts like running or HIIT, but those go-tos aren't the only ways to rev your heart rate and sculpt your bod. If you've ...