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 4 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Jump Squat Stand with your feet shoulder-width apart. Start by doing a regular squat, then engage your core and jump up explosively. When you land, lower your body back into the squat position to complete one rep. Land as quietly as possible, which requires control. Continue for 30 seconds, then rest for 20 seconds. Previous Next Start Slideshow WorkoutsBodyweight ExercisesHIIT