Popsugar Fitness Workouts 11 Lower-Ab Exercises Looking For Lower-Ab Exercises? You Need These 11 Trainer-Approved Moves March 28, 2024 by Kristine Thomason View On One Page Photo 5 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Mountain Climber Start in a high plank position, with your core engaged. Keep shoulders over wrists and back flat. Quickly drive your left knee toward your chest, then return it to start. Repeat with your right knee. Alternate between left and right slowly in and with control. Previous Next Start Slideshow WorkoutsCore ExercisesAb Exercises