Anyone can develop ankylosing spondylitis, even children. It’s a type of arthritis that attacks the spine. When it’s found in a child, it’s called juvenile ankylosing spondylitis.

These images show how to safely walk up and down stairs when you have crutches.

These images show how to use crutches with step through (weight bearing).

These images show the use of crutches with step to.

These images show crutch use with swing through.

These images show the use of crutches with swing to.

Here are images that show the steps of flossing teeth and braces.

These pictures that show the four steps of flossing.

Here are pictures that show the steps of brushing your teeth with braces.

Testicular appendage torsion is the twisting of a small piece of tissue above a testicle. This can cause pain and swelling that gets worse over time. Learn more about this condition, including what causes it, what the symptoms are, and how it's diagnosed and treated.