Keratoconus

Hamstring curl with resistance tubing

The hamstring curl with resistance tubing targets the back of the thigh. See how it's done.

Why does my child have allergies?

An animation that shows the allergic reactions children can have and demonstrates a rash on the skin.

Lat pull-down with weight machine

The lat pull-down targets the side of the chest wall. See how it's done.

Prednisone: Review of Special Precautions

Overview of important precautions with prednisone use.

• Prednisone
• Allergy
• Asthma
• Psoriasis

Cancer of the throat or larynx

From a top view of the voice box (larynx) and vocal cords, this animation shows the formation of a malignant tumor on the right vocal cord.

• Cancer