Popsugar Fitness Workouts HIIT Workout For All Levels No Matter How Tired You Feel, You Have Time For This Fat-Blasting Workout June 23, 2018 by Leta Shy View On One Page Photo 2 of 9 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Sprint Stand tall, with feet shoulder-width apart and a slight lean to the body. Drive right knee to chest as left arm swings forward. Keep core engaged. As your right leg lowers, drive forward with your left knee and right arm. Repeat with control, always moving opposite arms and legs. Previous Next Start Slideshow WorkoutsStrength TrainingBodyweight WorkoutsHIITIntermediate WorkoutsFull-Body Workouts20-Minute Workouts