What is the best self administered treatment for a minor knee injury?

RICE. R - rest, until the injury heals. I - ice, for about 20 minutes at a time, applied directly to the injured area, for as long as there is pain or swelling. C - compression, use of an elastic ace bandage or neoprene knee sleeve that may be purchased from the local pharmacy. E - elevation, keep the injured knee above the level of the heart. Medications such as Ibuprofen or Naproxen may also help.