Popsugar Health & Fitness Back Pain Ab Exercises For a Bad Back If You Have a Bad Back, Trainers Recommend These 11 Ab Exercises For Strength and Support 6 August 2019 by Maggie Ryan View On One Page Photo 9 of 10 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Anti-Lateral Flexion: Side Plank Begin by lying on your left side. Bring your left elbow directly under your left shoulder. Place your top foot on top or in front of your bottom foot. Push your hips upward to rise into side elbow plank, keeping your core and lower shoulder muscle engaged. Hold while focusing on your breathing. Previous Next Start Slideshow Back PainAb WorkoutsInjury PreventionWorkoutsAb Exercises