Rest your arms comfortably at your side and raise your forearms to form a 90 degree angle with your upper arms. If your work surface is too high and not adjustable, adjust your chair to bring your elbows to the home row level of the keyboard. If you raise your chair make sure your feet are properly supported. In order to maintain wrists and neck in their straight neutral positions, you should sit square in front of the monitor and keyboard. The wrists should be kept straight.
Bent wrists cause pressure on the hands and the carpal tunnels of the wrists.
Repetitive motions of hands in bent positions, such as typing, can lead to cumulative trauma disorders. A wrist rest pad helps to reduce the amount of stress on the wrists and hands when not typing. Select a thick, soft wrist pad to minimize soft tissue compression. Always keep wrists straight while typing and only use the wrist rest when you are not typing. A wrist rest pad can also reduce stress to the wrists by preventing them from coming in contact with the sharp edge of the desk or keyboard tray.