These images show how to safely stand up using a walker.

These images show how to safely sit down with a walker.

These images show how to use a walker.

These images show you how to use a walker.

These images show you how to go through a door safely with crutches.

These images show you how to safely stand up using crutches.

These images show how to sit safely with crutches.

Young and old people can develop AS. But it’s more common in people ages 17 to 35. Men are more likely than women to have AS. You are also more likely to have it if someone else in your family had it.

Reverse total shoulder replacement is a type of surgery. It's done to repair an injury to the rotator cuff. Here's what you need to know about recovering at home.

Here are images that show the steps of using a peak flow meter.