Shoulders relaxed
Forearms and hands in a straight line
Forearms level or tilted slightly
Lower back supported
Thighs tilted slightly
mPosition the mouse at the same height as your keyboard. Allow adequate space to use the mouse comfortably.
mArrange the monitor so the top of the screen is slightly below your eye level when you’re sitting at the keyboard. The best distance from your eyes to the screen is up to you, although most people seem to prefer 18 to 28 inches (45 to 70 cm).
mPosition the monitor to minimize glare and reflections on the screen from overhead lights and nearby windows. You may want to use a tiltable monitor stand. The stand lets you set the monitor at the best angle for viewing, helping to reduce or eliminate glare from lighting sources you can’t move.
45– 70 cm (18– 28 in.)
Top of the screen at or slightly below eye level (You may need to adjust the height of your monitor by placing something under it or by raising your work surface.)
Screen positioned to avoid reflected glare
Clearance under work surface
Feet flat on the floor
For more information about health, safety, and maintenance, go to Apple’s World Wide Web site: www.apple.com/about/ergonomics
84Appendix B