Epinephrine and exercise

Seated leg press with weight machine

The leg press exercise strengthens the lower body. See how it's done.

HSG test for female infertility

Video animation shows the HSG test — an X-ray study to identify causes of female infertility.

Cataract

This animation depicts how a cataract is seen in the eye.

• Vision

Lat pull-down with weight machine

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

Herniated nucleus pulposus (slipped disk)

This animation shows displacement of an inter vertebral disk (disk between the vertebrae).

• Back Pain