Remember to occasionally shift position and

Discomfort may be alleviated by using

 

move your body. Keeping your body in one

alternative ergonomic designs and accessories

 

position for long periods is unnatural and

such as ergonomically personalized chairs, palm

stressful. When prolonged work is required, take

rests, keyboard trays, alternative input devices,

 

frequent short breaks. As a rule of thumb, a five

prescription eyeglasses, anti-glare screens, and

or ten minute break every hour is a good idea.

more. Seek additional information from the

 

Short frequent breaks are more beneficial than

sources available to you, including your

 

longer, less frequent, breaks. Data shows that

employer, doctor, local office supply store, and

people who work for long periods of time without

the information sources provided in this guide.

 

a break may be more prone to injury.

 

 

Changing tasks frequently will help prevent

 

 

muscle stiffness. For example, alternating

 

 

between keyboarding, reading, writing, filing, and

 

 

moving around in your work environment helps

 

 

you maintain a relaxed posture. Occasionally

 

 

stretch the muscles in your hands, arms,

 

 

shoulders, neck, and back. You should stretch at

 

 

least as often as you take brief task breaks — at

 

 

least once every hour.

 

 

 

 

 

 

Chapter 1 Preparing to Use Your Computer

23