Ab Rollout on Knees with Barbell· Place a barbell on the floor in front of you.
· Start by kneeling in front of the bar, grip the barbell with a shoulder with overhand grip.
· With a slow controlled motion, roll the bar out so that your back is straight, bend your knees and keep your feet off the floor.
· Keep your arms straight throughout the exercise.
· Roll back up bring the bar under your shoulders and return to the starting position.
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