Question

how does the doctor know if a knee is healthy by looking at an x-ray

Answer 1

Answer:

What Are X-Rays?

X-rays are images that use a small doses of ionized radiation to take pictures of the inside of your body called radiographs.

Why Are X-Rays Done?

X-rays can help doctors diagnose things like:

Broken bones

Dislocated joints

Arthritis

Abdominal pain, in some instances

Cancer

Tooth decay

The space between the bones seen on X-ray is actually filled completely with cartilage. Narrowing of this joint space is the best sign of the extent of knee arthritis. Early arthritis signs. Other signs of arthritis, including bone spurs, can be seen on an X-ray.

by this doctor can know that whether the knee is healthy or not

Explanation:

hope it helps

Answer 2

hope it helps you...,........