If you’ve spent any real time in the gym, you’ve probably seen the ab roller sitting off to the side and wondered whether it’s actually worth your time. It looks simple enough, but the first serious ...

Add Yahoo as a preferred source to see more of our stories on Google. Ab wheel rollouts are one of the toughest ab exercises. They require stable shoulders and core strength, but also build strength ...

Which ab wheels are best? Often considered a difficult part of the body to exercise and define, abdominal work can be tedious. Yet, the results are rewarding. If you want to strengthen your muscles ...

For those who want to use an ab roller but are worried about losing their balance, the 4-wheel type is highly ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Do you want a strong ...