From high planks and low planks to side planks and plank jacks — plank variations aren’t hard to come by. We guess you could say that's what makes these OG bodyweight exercises (which can take true ...

While the plank is an excellent core exercise, several other options can strengthen your core. You can do these bodyweight exercises anywhere, and they don’t require equipment.

The real secret to a sexy stomach is carving out those lines to frame your budding six pack (a.k.a. your obliques). And while you're already well aware that planks help tone your entire core, there ...