Ergonomics means improving the fit between your body and an activity. One example is changing your workstation so you can better reach materials or machinery.

These easy exercises can help relieve tension and soreness. Take a few minutes each day to do them right at your desk.

Tight shoulders? Aching back? A few easy moves can help your shoulders and back feel better.

Tired eyes? Stiff neck? A few easy moves can help prevent these kinds of problems.

If you sit much of the day, your chair is your main support. A well-adjusted chair improves your circulation. It also helps prevent backaches and fatigue.

Glare is the reflection off your screen that makes it hard to see the screen clearly. Glare can be caused by sunlight on your screen. Or it may be caused by indoor light, such as overhead and task lamps. Simple changes can help reduce glare and strain on your eyes. Adjusting your screen's contrast and brightness can also improve viewing comfort.

Is your workstation arranged so you can work efficiently? That means having your monitor, keyboard, mouse, and workstation tools - such as your telephone and document holder - well placed. When they are, you'll feel better and most likely get more done.

Soft tissue may become trapped between the bones in a child's elbow joint (radial head subluxation). It often happens when a child is lifted or pulled by one arm.

A pneumothorax occurs when air fills the space between your lung and chest wall. This can cause all or part of your lung to collapse. The main cause of a pneumothorax is an injury to the chest cavity that punctures the lungs.

Whooping cough is a highly contagious infection of the respiratory tract. It can be very serious. Read on to learn how to know when to get medical care for your child.