A sprain describes injury to a ligament caused by excessive stretching. Ligaments are the tough, elastic-like bands that attach to your bones and hold your joints in place. Sprains occur most often in your ankles, knees or the arches of your feet.
Sprained ligaments swell rapidly and are painful.
Generally, the greater the pain, the more severe the injury. For most minor sprains, you can probably treat the injury yourself. R est the injured limb. But don't avoid all activity. I ce application with a cold pack, slush bath or a compression sleeve filled with cold water is the best way to limit swelling after an injury.