Popsugar Health & Fitness Core Exercises Best Oblique Exercises Without Weights When I Have No Time and No Equipment, I Do These 6 Oblique Moves to Torch My Waist 21 March 2019 by Maggie Ryan View On One Page Photo 4 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Side-Plank Crunch In case a regular side plank wasn't quite enough burn. Begin in a side elbow plank, with your left elbow down and your right hand behind your head. Keeping your torso stable and your waist lifted, bring your right leg up toward your shoulder to lightly tap your right elbow. Lengthen your right leg back to the starting position to complete one rep. Previous Next Start Slideshow Core ExercisesWorkoutsAb Exercises