These are the best ab rollers for carving an iron core, tried and tested livescience.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from livescience.com Daily Mail and Mail on Sunday newspapers.
The Perfect Fitness Ab Carver Pro promises to challenge the core credentials of beginners and pros, but taller users may want to consider other options
The GymShark Ab Roller provides the perfect amount of instability to help carve a leaner torso, but it’s more suited to those adept at handling ab wheels