Popsugar Health & Fitness Crossfit Best CrossFit Ab Exercises These Are the 17 Best CrossFit Ab Exercises If You Want to Lean Out and Carve Your Core 5 August 2019 by Jenny Sugar View On One Page Photo 11 of 17 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 11 Side Plank Dip Begin in a side elbow plank on your right side with straight legs and your feet stacked. Inhale and lower your pelvis to the floor, so your right hip hovers just off the floor. Exhale and press up through your right waist to lift your pelvis and return to side plank. This completes one rep. Complete the same number of reps on both sides. Previous Next Start Slideshow CrossFitWorkouts