Popsugar Health & Fitness Workouts Best Core Exercises I'm a Trainer, and These Are My 16 Favourite Ab Sculpting Exercises 24 July 2018 by Tamara Pridgett View On One Page Photo 13 of 14 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 13 Plank With Shoulder Tap Begin in a plank variation with your feet slightly wider than your hips for added stability. Keeping your torso stable, bring your right hand to your left shoulder, then return your right hand back to the mat. Bring your left hand to your right shoulder and return it to the mat. This counts as one rep. Previous Next Start Slideshow Trainer TipsCore ExercisesStrength TrainingWorkoutsAb Exercises