Like the High Plank, the High Side Plank more heavily recruits your upper-body muscles. Place your elbow directly beneath your shoulder and bridge your hips off the floor, keeping your torso parallel to the wall. Hold for 30 seconds on each side.
25 Plank Variations for a Shredded, Stable Core
These 25 plank variations will add some variety to your workouts while you shred your core.