Popsugar Fitness Fitness Tips Core Exercises to Do After Cardio Make the Most Out of Cardio With These Expert-Recommended Core Exercises July 21, 2016 by Dominique Michelle Astorino View On One Page Photo 4 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Pike With Ball Not only does this move work all four abdominal muslces, but the glutes are targeted as well, giving you a nice lift to your powerful rear. Put hands on the ground and top of feet on the ball so body is in an L shape to the ground (head facing down). Keep core tight to keep balance. Pull navel into the spine and lift your bottom into the air using your core. Maintaining balance, lower your bottom back to the first L position. Repeat up to 10 times. Previous Next Start Slideshow Fitness TipsWorkoutsAb Exercises