If you want a stronger core and a more stable low back, rotate through these static holds. They train the muscles that actually protect your spine. Plank • Brace your ribs down • Push the floor away • Keep a straight line from head to heels This will strengthen your deep core and stabilize your low back. Side Plank • Lift from the hips, not the shoulder • Keep your neck long • Stack your feet or stagger them This targets your obliques and your quadratus lumborum for powerful side to side stabili