by Frank J Long-Lever Plank May 17, 2021 Anti-Extension, Core Work Check Price Men’s Long-Lever Plank Lock your ribs down with your abs. Tuck your tailbone between your knees. Do not let your lower back sag. ADVERTISEMENT Facebook Facebook Comment Ring Plank Elbow Plank Bodysaw Related Posts Fetal-Position Breathing The Best Zero-Equipment Ab Workout Single-Arm Dumbbell Split Squat