Popsugar Health & Fitness Hiit Workouts Lower-Body HIIT Workout This 30-Minute Workout Is Insanely Intense and All About the Butt and Legs 26 January 2018 by Jenny Sugar View On One Page Photo 3 of 3 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 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 and then hopping into a lunge with your right leg in front. Jump your feet back together to complete one rep. Do as many reps as you can for one minute. Previous Next Start Slideshow HIIT WorkoutsHIITWorkouts