Planks are deceptively simple... just lengthen your frame in isolation and count down the seconds on your phone timer, right?
In reality, there are a lot of ways to screw it up.
If your back sags under the weight of your body, you're doing it wrong. If you clench your fists together, your shoulders are engaged... and that means you're doing it wrong.
With a few form tips, planks can become a core-building workout staple. And when done with proper form, they are truly engaging.
So let Patrick and Thomas demonstrate the proper way to plank. And with some practice you will be doing it right!
YOU'RE DOING IT WRONG: Planks