Popsugar Fitness Workouts Plank Variations For CrossFit I Don't Do Crunches in CrossFit, but Here Are 6 Core-Strengthening Plank Variations I Never Skip May 13, 2020 by Jenny Sugar View On One Page Photo 1 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Plank With Shoulder Tap Why I do it: This plank variation strengthens the upper body and core, and is good practice for strengthening and balancing in handstand walks. Begin in a plank variation with your feet slightly wider than your hips for added stability. Keeping your torso stable, bring your right hand to your left shoulder, then return your right hand back to the mat. Bring your left hand to your right shoulder and return it to the mat. This counts as one rep. Previous Next Start Slideshow WorkoutsStrength TrainingBodyweight ExercisesPlankAb Exercises