Popsugar Fitness Workouts 15 Minute HIIT Workout at Home Drop What You're Doing — This 15-Minute Full-Body HIIT Workout Requires ZERO Equipment June 20, 2019 by Samantha Brodsky View On One Page Photo 5 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Star Jump Start with your feet together and arms at your sides. Jump up with your legs out and hands overhead, then land back to your standing position. These are basically jumping jacks off the ground. Continue for 30 seconds, then rest for 20 seconds. Previous Next Start Slideshow WorkoutsBodyweight ExercisesHIIT