Popsugar Health & Fitness Arm Exercises Best Plank Variations This Is the Ultimate Move For Sculpting Arms and Abs — Try These 30 Variations 26 July 2018 by Jenny Sugar View On One Page Photo 5 of 30 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Plank to Pike Jump Begin in plank position with your feet together. Keep your upper body stable and engage your abs. Don't let your lower back arch. Keep your weight in your hands as you draw your navel toward your spine. Use your abs to pull your your hips directly up while keeping your legs straight, and jump your feet forward, landing in pike position. Jump your feet back to plank, keeping your core tight and stable. This counts as one rep. Previous Next Start Slideshow Arm ExercisesWorkoutsAb Exercises