Biceps curl with dumbbell

Triceps extension with weight machine

The triceps extension with weight machine targets the back of the upper arm. See how it's done.

Glaucoma

This animation shows the affects of untreated glaucoma.

• Vision

Fitness ball bridge with heel dig

Comfortable with the fitness ball bridge? See how to add a heel dig.

Plank with fitness ball

You can do many core exercises with a fitness ball. See the plank.

Lunge exercise

The lunge is an exercise that targets the leg muscles. See how it's done.