I discovered spin classes a decade ago, and subsequently got certified to teach them myself. In the years since, I haven't focused on other kinds of cardio group classes—but for a time, I was obsessed ...

Add Yahoo as a preferred source to see more of our stories on Google. If you're on the hunt for easy, equipment-free cardio exercises, look no further! Join Denise and Katie Austin for an easy ...

In an ambient room, tranquility fills the air. Candles are lit and relaxing music or a favorite TV show plays in the background while calories are burned on a treadmill all without having to leave ...

Official recommendations vs. your goals.