Popsugar Fitness Workouts Plank Exercises For Abs For a Leaner Belly, These 35 Plank Variations Are a Must (Plus 1 Bonus Video!) August 15, 2018 by Jenny Sugar View On One Page Photo 17 of 37 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 17 Side Plank Right Balance on your right hand and the outside edge of your right foot, with your body in one straight line. To modify, stagger your feet and bring your top leg forward. Hold for 30 seconds on each side to complete one rep. Previous Next Start Slideshow WorkoutsPlankArm ExercisesAb Exercises