While majority of running injuries (runners knee, ankle sprain, shinsplints, Achilles tendinitis etc) are treatable by home therapy of rest, massage and pain killers some cases are severe and may require surgery treatment.
Running times have a series on running injuries and in this weeks podcast, Sport podiatrist Brian Fullem discusses advances in surgical techniques for runners that enable a faster return to running.
Recovery time of an ankle sprain injury depends on the amount of physical therapy you receive. Physical therapy and exercise helps to lessen the swelling and pain as well as strengthening up the muscles in your ankle.
The following you tube video demonstrates Ankle sprain exercise technique that you can incorporate as part of your physical therapy.