Copenhagen planks can strengthen your inner thighs and obliques, improve stability, and prevent injuries. Trainers explain ...

This is Grande’s first season as a judge on “The Voice,” and Plank says the Grammy Award winner has a different style than the other judges. “It’s much more personal, I think ...

Blackman held a plank for a whopping 5 minutes and 20 seconds. She did it forearm style and pushed through the pain while listening to “Endless Love” by Lionel Richie and Diana Ross.

It’s important to focus on technique too (Picture: Getty Images) No matter how long you hold a plank for, it feels like an eternity. You’re sure hours have gone by, and yet you look at the ...