In order to relieve physical fatigue, after some strenuous exercise, especially NBA athletes, they will burn a lot of calories after a game, because every ball has to undergo fierce physical confrontation, and sometimes they have to run around the field. In this case, even the best players will feel tired. This is to relax muscles and relieve physical fatigue.
Eliminating pain and swelling, friends who often play ball or soccer know that if there is pain or local swelling in a certain part of the body (here is a hard injury), they will choose ice compress at the first time, and so will other sports. Because doing so can make the capillaries contract, slow down the blood flow, reduce the amount of bleeding and eliminate pain and swelling. Of course, this is only a stopgap measure. If the situation does not improve, it still needs treatment, but it shows that ice is really important for athletes.
Ice has many other uses. We just said something we know. If we want to know more, we should consult professionals. However, fans who want to play basketball or football here must pay more attention to sports, because injuries are prone to occur, and they should also master some simple medical knowledge, which may be used then.