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 17 of 17 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 17 Elbow Plank With Hip Dips From an elbow plank position, slowly rotate the spine to lower your right hip to just above the floor. Come back to elbow plank. Now lower your left hip toward the floor. This counts as one rep. Previous Next Start Slideshow CrossFitWorkouts