Plus, you can do all of these workouts from your living room. Ahead, you'll find a few of our favorite low-impact HIIT workout videos on YouTube. Low-Impact 20-Minute HIIT Workout by Body Project ...
This workout meets you wherever you are and at whatever fitness level you need. The work portions are done in 30-second intervals followed by a (much-needed) 15-second period of rest, and you'll be ...