The barbell roll-out is an abdominal exercise that utilizes a barbell in the place of an ab roller. It is best performed with a barbell that has rotating collars, and is considered more difficult than other ab roller variations. Many lifters may not be able to perform a single rep at first, but once they can perform these for reps, they'll be rewarded with a seriously strong core.
Works core strength and stability
Engages all muscle groups of the core
Encourages coordination, mobility, and lumbar positioning
Unlike with an ab roller, grip width can be altered based on shoulder comfort