Popsugar Health & Fitness Arm Exercises Arm and Ab Exercises Here's Your Exercise Encyclopedia For Toned Arms and Tight Abs 1 June 2018 by Susi May View On One Page Photo 7 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 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 right foot back on the ground. Alternate sides, bringing your left knee in. This exercise will leave both your arms and your abs burning — in the best way possible. Previous Next Start Slideshow Arm ExercisesWorkoutsAb Exercises