RIGHT Bring your touchscreen closer than arm’s length and adjust the tilt to keep your wrists neutrally aligned. When using touch extensively, you may want to adjust the height of your display throughout the day to maintain the comfort of your neck, shoulders and arms.
WRONG Touching with an extended arm can quickly tire the shoulder and arm.
For a given task, you may find yourself exclusively using touch as the method of input; in other circumstances you may find yourself using only the keyboard and pointing device; and sometimes you may choose a combination of both input methods. When using a combination of input methods (for example, keyboard, mouse, and touch), you may find it comfortable to position the devices at about the same distance, which would place the monitor immediately behind or directly above the keyboard and mouse. This may be especially helpful for maintaining your comfort in a reclined, seated position. When using touch as the exclusive method of input for an extended period, you may want to place the monitor in front of the other input devices.
If you find yourself using the computer for an extended period without touching the screen, you may find it more comfortable to adjust the monitor as described in Adjusting your monitor on page 10. Remember to scan for awkwardness and adjust for comfort, understanding the connection between your body and technology. Sometimes you need to change your posture; sometimes you need to adjust the monitor; sometimes you need to do both.
If you use dual monitors and one of them is a
16 Chapter 5 Using touch technology