HP 6346 (US), 6340 (US/CAN) manual Position for long periods is unnatural

• 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.
	Chapter1• PreparingtoUseYourComputer	23