Add Yahoo as a preferred source to see more of our stories on Google. Our core is made up of four muscle groups that are essential to everyday movements, like walking and lifting. And when people ...

Fact checked by Nick Blackmer Planks are better at building core strength because they engage the deepest layer of your ab ...

A strong core is about more than just six-pack bragging rights — it’s the foundation of your strength and overall well-being. But you don't need to torture yourself with endless crunches. Instead, ...

Exercises that keep the abdominals and low back strong are vital to maintain a healthy posture. While most abdominal exercises are performed lying on the floor, these are right for everyone such as ...

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 ...

It’s a common fitness dilemma: You’re banging out crunches and planks week after week but still not seeing the strength and muscle tone you want in your lower abs. That’s a sign it’s time to switch up ...

7-minute morning routine to flatten belly after 55, from a certified personal trainer, plus step-by-step form for each move.

Our core is made up of four muscle groups that are essential to everyday movements, like walking and lifting. And when people think about core strengthening, crunches are often the first thing that ...