We're here to help you challenge your core (you're welcome) with this plank series. It's part of our Jump-Start fitness plan, helping you move every day for two weeks. This challenge uses all sorts of ...

Unless you’ve been living under a rock for the last five years, you’ve probably heard about the plank — one of the all-time best exercises for strengthening and toning the core. But let’s get real — ...

As far as workouts go, planks are your bread and butter. Dependable and simple, this staple core exercise is accessible for beginners, challenging for advanced exercisers, and customizable in ...