Anatomical analysis & Common mistakes The dragon flag is an advanced bodyweight core exercise. It’s important that you use proper form while doing the dragon flag. You need to make sure you are fit enough to do the exercise properly in order to avoid injury. How to do the dragon flag Get into a proper position by locking your arms in a fixed overhead position. Lift your legs up into the air with your feet, legs, and torso sturdy and in a straight line. A dragon flag is typically performed lying