Popsugar Fitness Workouts 20-Minute Lower-Body HIIT Workout Leg Day Is Calling: Try This 20-Minute Lower-Body HIIT Workout From an Under Armour Trainer August 30, 2021 by Samantha Brodsky View On One Page Photo 1 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Speed Skater Start with your legs slightly wider than shoulder-distance apart and arms at your sides. Lean forward, then jump to the right onto your right foot, bringing your left foot behind you and bringing your left arm in front of you. Jump to the left onto your left foot, bringing your right arm in front of you and your right foot behind you. Repeat this side-to-side movement for 40 seconds. Rest for 10 seconds. Previous Next Start Slideshow WorkoutsStrength TrainingHome WorkoutsCardioBodyweight ExercisesHIITCardio Strength WorkoutsHIIT WorkoutsGIF ExercisesIntermediate Workouts