Both studies found the AB Roller to be marginally effective in activating the abdominal muscles. Out of 13 exercises in the ACE study, the AB Roller rated ninth in rectus abdominis activity. ... In both studies, the AB Roller wasn't the most effective abdominal exercise, but it wasn't the least effective either.

Are rollouts good for abs?

Ab Wheel Rollouts provide a better ab workout than traditional flexion exercises, creating stronger and more defined abs—if improving your looks is a goal. Also, strong abs protect your spine and prevent energy leaks, which sap power and strength from your sports skills.

Do Ab Rollers give you abs?

It's easy to forget the ab wheel, a classic ab-training implement that's been around for years. ... Because, perhaps more than any other core workout gadget, the ab wheel gives you a chance to train your entire core (abs, gluten, lower back muscles, and obliques) as a unit.