The best ab rollers to strengthen your core, according to personal trainers


https://www.cnn.com/cnn-unders....cored/health-fitness

Best ab rollers, per personal trainers | CNN Underscored
www.cnn.com

Best ab rollers, per personal trainers | CNN Underscored

The best ab rollers work so much more than your core, offering a blend of strength, stability and mobility for a full-body burn.