Popsugar Health & Fitness Ab Exercsies Best Ab Moves These Are the 50 Best Ab Moves For a Chiseled 6-Pack (Plus 5 Ab Workout Videos!) 30 August 2018 by Jenny Sugar View On One Page Photo 14 of 55 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 14 Mountain Climber Sliders With the towels under your feet, start in a basic, straight-arm plank position. Then, as if you were actually running, pull one knee toward your chest, dragging your foot on your "slider" along the floor. As you push that leg back, pull the other knee forward to complete the rep. Keep "running" in place for 24 reps or 30 seconds. Previous Next Start Slideshow Ab ExercsiesStrength TrainingWorkoutsAb Exercises