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 18 of 37 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 18 Side Plank With Leg Lift (Right Side) Balance on your right hand and the outside edge of your right foot, your the body in one straight line. Raise your left arm and leg in the air. Hold for 30 seconds on each side to complete the rep. Previous Next Start Slideshow WorkoutsPlankArm ExercisesAb Exercises