Popsugar Health & Fitness Body Weight Quick HIIT Workout You Won't Believe How Sore This 16-Minute Bodyweight HIIT Workout Will Make You 28 December 2018 by Jenny Sugar View On One Page Photo 4 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Split Lunge Jumps Stand with your feet together and your knees soft. Jump and come into a lunge with your left leg forward. Push off with both feet, jumping them together, then hopping into a lunge with your right leg in front. Jump your feet back together to complete one rep. Keep going for 45 seconds, then rest for 15. Previous Next Start Slideshow Body WeightHIIT WorkoutsFull-Body ExercisesBodyweight ExercisesFull-Body WorkoutsWorkouts