Popsugar Fitness Workouts 20-Minute Cardio HIIT Workout Boost Your Metabolism With This At-Home HIIT Workout December 29, 2017 by Susi May View On One Page Photo 1 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 180 Jump Begin facing the left side of your mat (or space) with feet hip-distance apart, core tight, slightly hinged at the hips. Jump 180 degrees to your right, keeping your elbows near your rib cage and hands in front of you for balance. Jump 180 degrees to your left; make sure to be light on your feet, moving quickly. Repeat the jumps back and forth for 40 seconds, rest for 20 seconds. Previous Next Start Slideshow WorkoutsStrength TrainingAdvanced WorkoutsBodyweight WorkoutsGIFHIIT WorkoutsIntermediate WorkoutsFull-Body Workouts20-Minute Workouts