What can I say? I love the feeling of strengthening my muscles on a Megaformer machine, working them in 50 minutes worth of planks and lunges until my core, legs, and butt are shaking. It’s the only ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Of all the ways to train your core—abs challenges, plank workouts, lifting ...

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 ...