This exercise is great for ankle pain related problems, calves and for people that have balance issues in general.
Stand on one leg and make sure you are comfortable. Have a wall next to you to maintain your balance, but if you don’t have to gold on to the wall, even better for your balance practice.
Come up on your toes. Be careful to main your balance.
You can perform quicker motion or you can hold in an up position for a second or two.