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Correct Posture

Things to do:

Feet resting flat on the floor or on a footrest
Head and neck in line with torso
Lower shoulders
Upper arms and elbows relaxed next to body and avoid over reaching
Level elbows with the keyboard with an angle at or greater than 90 degrees to avoid nerve compression at the elbow.
Straighten forearms, hands and wrists as flat as possible (not bent up or down) and straight (not bent left or right)
Back against the chair and has good back support
Bend neck slightly
Level eyes with text on the monitor
Feel relaxed

Proper Mouse Usage

Things to do:

Hold the mouse gently to move it over a mousing surface.
Make controlled mouse movements using your elbow as the pivot point and keep your wrist straight (not bent left or right) and neutral (not bent up or down).
Mouse should be placed adjacent to keyboard and at the same height as the keyboard. Avoid extended and elevated reaching for keyboard and mouse. The back of the wrist should be kept flat (in a neutral position). Do not rest the hand on the mouse when your are not using it. Rest hands in your lap when not entering data.

Proper Keyboard Usage:

Things to do:

Adjust keyboard height so shoulders can relax and allow arms to rest at sides.
Position the keyboard directly in front and be close to the user to avoid excessive extended reaching.
Forearms parallel to the floor (approximately 90 degree angle at elbow).
A padded wrist rest will help to keep your wrist in a straight and neutral position while typing and keep your arms off the sharp edges of the work surface.
Do not rest your wrists or hands on a palm or wrist rest when you are keying. These rests are designed to provide support only during breaks from keying.
The slope of the keyboard may need to be adjusted so that it is flat in order that your wrists are straight, and not bent back while you are typing.
Press the keys gently; do not bang them or hold them down for long periods. Keep your shoulders, arms, hands, and fingers relaxed.