If you automatically put ice on an ankle sprain or other soft tissue injuries because you think ice helps heal the injury, you probably do this because your mother or grandmother told you ice was the best way to relieve pain and swelling.
Ice does diminish inflammation and swelling by constricting blood vessels and reducing the flow of blood to injured tissues. However, this effect is only temporary. Once you remove ice, soft tissue warms up, blood flow increases and inflammation quickly returns. In addition, new research regarding the implication of inflammation in the body's natural healing processes indicates inflammation is necessary for promoting and expediting healing of sprains and other soft tissue [...]