Popsugar Health & Fitness Fitness Tips Selena Gomez Ab Workout This Is Exactly How Selena Gomez's Trainer Likes to Sculpt Abs 22 April 2018 by Dominique Michelle Astorino View On One Page Photo 17 of 37 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 17 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 Fitness TipsBodyweight ExercisesCelebrity TrainersPlankWorkoutsAb ExercisesPopsugar InterviewsSelena Gomez