The correct answer for above statement is:
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.
Step-by-step explanation:
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.