One of the more interesting advances in x-rays is the advent of a live-feed scan. With this technology, doctors can see locale areas of the body on a monitor, rather than reviewing a photograph later. This can help medical workers see how muscles, bones, and organs all interact with each other. It is also very useful for double-checking information during surgeries. A live feed scan is often performed using a special x-ray machine, such as a C-Arm.