Popsugar Health & Fitness Crossfit CrossFit Workout Nancy This 16-Minute CrossFit Workout Will Burn Belly Fat and Build Your Booty 27 July 2018 by Jenny Sugar View On One Page Photo 1 of 2 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Butt-Kicker Run Run in place, bringing your heels to your butt to target your hamstrings. Pump your arms to keep your upper body moving and your heart rate up. Previous Next Start Slideshow CrossFitRunningLeg ExercisesButt ExercisesWorkouts