Plank Walks require you to crawl sideways while holding the basic High Plank position. Focus on preventing your hips from sagging and keeping your torso parallel to the ground. You can crawl as far as you'd like, but perform an equal number of reps in both directions.
25 Plank Variations for a Shredded, Stable Core
These 25 plank variations will add some variety to your workouts while you shred your core.