When it comes to doing exercises to strengthen your core, planking is a popular choice. The problem is, it's kind of...dull. To entertain yourself while you're holding plank position, you can crank up ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Easy to pick up, hard to ...

If you’ve been wanting to tighten up your core, you may have thought about investing in a Stealth Core Trainer or an ab roller. Both are easy at-home tools you can use every day to work your abdominal ...

Some people work on their core because they’re hoping for a 6-pack or a flat tummy. But having a sturdy core provides you with much more than a toned look. A strong core — which includes the back, ...

Strengthen your core after 55 with 4 chair drills that train rotation, lower abs, and anti-rotation without floor strain.