How is the severity of an ankle sprain determined?

Sprains are graded as first, second and third degree. First-degree sprains mean that minimal tissue damage has been done. Second-degree sprains mean that there is damage to one or more ligaments. These usually result in swelling and possible discoloration at the site of the sprain. Third-degree means that the ligament has been torn completely. This injury requires a physician visit and rest from all activity.

This answer provided for NATA by the King College Athletic Training Education Program.

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