The one exercise you must do!

Is there really one exercise that you should do all the time? The answer is yes, and it’s the plank. It’s safe, it’s easy. You don’t need any fancy equipment or even a gym. Just get down on those elbows and toes and go to town! Check out the full story and video from Shape.com.

 

https://www.shape.com/fitness/videos/forearm-plank-exercise-benefits-variations