Ankle pumps. Lying down on your back, or sitting in a chair, pull your toes up toward your head, then point your toes down. This exercise will help to prevent blood clots and can help reduce swelling. Do this exercise with both ankles at the same time, and repeat it ten times every hour. Don't hold your breath while doing this exercise. Please visit https://medicine.umich.edu/dept/orthopaedic-surgery or call 734-936-5780 if you have any questions or concerns.