Muscular dystrophy (MD) is a disorder that slowly weakens muscles. MD can make movements such as walking and standing up hard to do. It may even cause deformities in the joints.

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.

Central auditory processing disorder (CAPD) is a problem with listening. It may be from a problem with the way the brain processes sound (auditory) information. It causes a child to have trouble hearing and understanding speech and sounds.

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.