Learn how to do the perfect plank from the most trusted name in fitness, the National Academy of Sports Medicine.
Steps for Doing a Plank: - Lie on the stomach with the feet together and the forearms on the ground. - Clench fists under the shoulders. - Draw in the belly button and squeeze the butt muscles. - Lift the body off of the floor and form a straight line from head to toe. - Return to the starting position. - Repeat for the desired number of repetitions.