Popsugar Health & Fitness Plank Plank Exercises For Abs These Are the 35 Most Effective Plank Exercises For Carving Your 6-Pack 15 August 2018 by Jenny Sugar View On One Page Photo 15 of 36 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 15 Elbow Plank With Knee Drive Start in an elbow plank and bring your right knee into your nose; your pelvis will rise toward the ceiling. Place your right foot back on the ground. Alternate sides, bringing your left knee in. This counts as one rep. Previous Next Start Slideshow PlankArm ExercisesWorkoutsAb Exercises