The barbell ab rollout is a challenging core exercise that targets the abdominal muscles, shoulders, and back. By rolling the barbell forward, you engage the core, enhancing strength and stability.

1. Kneel on the ground and hold a barbell with both hands, placed in front of you.
2. Roll the barbell forward, extending your body as far as you can while keeping your core engaged.
3. Roll the barbell back to the starting position.