I tried Anne Hathaway's trainer's plank challenge—here's why I'll be adding it to my workouts

Woman exercising at home. She is on her hands and toes, with one leg raised in the air.

One of the advantages of being a fitness writer is that I'm constantly being introduced to new workouts and styles of exercise. But there's one move I always come back to: the plank. It's a brilliant exercise to build full-body strength and core stability.

That's why I was intrigued to see a plank challenge that celebrity trainer Monique Eastwood shared on Instagram.