“The biggest mistake is sucking in your stomach,” says Yoga-Go coach Leanne Lent ...

Planks are hailed as one of the ultimate bodyweight exercises for building a strong, stable and sculpted core, but trust me, you don’t really need them. There’s a never-ending list of abs workouts ...

Psst: it's not another plank.

When you think about strengthening your core, the first thing that probably comes to mind is your six-pack, or rectus abdonimis muscles. We get it—no one is arguing that six-packs look great—but there ...