Add Yahoo as a preferred source to see more of our stories on Google. Of all the fitness trends that defined the '80s, step aerobics ruled the home workout scene. While gym bros were busy pumping iron ...

Step workouts dominated group fitness classes for a solid decade, with many enthusiasts using a home model in conjunction with a collection of fuzzy VHS tapes. But the fitness world is fickle, and ...

A new study suggests that HIIT workouts may help preserve lean mass in older adults compared to moderate exercise—but changes were small. Here's what to know.