The key is knowing how to do a plank, however. As good as the exercise is, you have to do it exactly right to reap the benefits. As one of the best core exercises to do at home, the plank can also ...

How to do the perfect side plank, and how to make it easier (and harder). Planks are hard. Even just 30 seconds in plank position can feel like an eternity. But as challenging as planks are, side ...

I’m not sure I'll go back ...

You’ve heard of high-intensity interval training and you’ve burpeed your way through a 7 a.m. HIIT class, but have you ever stopped to think about how all that punching, jumping, planking and lunging ...

You’ve seen those viral social media challenges. Someone holding a plank for what seems like an eternity, face contorted in agony, body trembling, all while the clock ticks mercilessly onward. Maybe ...