3. Barbell Rollout
Load the barbell Opens a New Window. with 10-pound plates Opens a New Window. and kneel on the floor behind it. Your shoulders Opens a New Window. should be over the bar. Brace your abs and roll the bar forward, reaching in front of you until you feel your hips are about to sag. Roll yourself back.
4. Barbell Russian Twist
Grasp the barbell Opens a New Window. near the very end again—this time with both hands. Stand with feet at shoulder width. Swing the bar to your left, pivoting your feet as needed, then swing to your right.