X-rays of the knee may be helpful in management of knee injuries.

X-rays are a form of invisible electromagnetic energy of short wavelength that is produced when high-speed electrons strike a heavy metal. X-rays can be used to produce images of bones, organs, and internal tissues. Low doses of X-rays are passed through the tissues and cast images - essentially shadows- onto film or a fluorescent screen showing structural changes in the area being examined.

X-rays play a role in diagnosing certain...