<h3>Place one foot on the inside of the leg, raise the heel of the other foot, and remain in this position as long as possible.</h3><h3>Explanation:</h3>
The stork is a position created to test the stability, and especially to test whether a person is competent of rising on one foot: the other foot is located on the inside of the other leg's knee. The stork stability test expects the person to hold on one leg for as long as feasible.