Apple iMac (27-inch, Late 2009) Specifications download pdf (Page 70)

70 Chapter 5 Last, but Not Least

Chair

An adjustable chair that provides firm, comfortable support is best. Adjust the height

of the chair so your thighs are horizontal and your feet are flat on the floor. The back of

the chair should support your lower back (lumbar region). Follow the manufacturer’s

instructions for adjusting the backrest to fit your body properly.

You might have to raise your chair so that your forearms and hands are at the proper

angle to the keyboard. If this makes it impossible to rest your feet flat on the floor, use

a footrest with adjustable height and tilt to make up for any gap between the floor and

your feet. Or you can lower the desktop to eliminate the need for a footrest. Another

option is to use a desk with a keyboard tray that’s lower than the regular work surface.

More information about ergonomics is available on the web:

Apple and the Environment

Apple Inc. recognizes its responsibility to minimize the environmental impact of its

operations and products.

More information is available on the web:

www.apple.com/about/ergonomics

www.apple.com/environment

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Apple iMac (27-inch, Late 2009) Specifications Page 70