This helps to eliminate too much neck twisting. Angle: Place the monitor directly in front of you and facing you, not angled to the left or right.Make sure that any paper documents that you are reading are placed as close to the computer monitor as possible and that these are at a similar angle. For games, arranging the best keyboard/mouse/game pad is a high priority. For data entry, arranging the best numeric keypad/keyboard is a high priority. For Internet use and graphic design, arranging the best mouse position is a high priority. For word processing, arranging the best keyboard/mouse position is a high priority.
Computer raised stand for desktopmonitor and keyboard software#
Types of Workĭetermine the type of software that will be used most often and adjust your workstation accordingly. Erect sitting is not relaxed, sustainable sitting reclined sitting is. In the recommended posture, the chair starts to work for the body, and there are significant decreases in postural muscle activity and in intervertebral-disc pressure in the lumbar spine. Studies show that the best seated posture is a reclined posture of 100 to 110 degrees-not the upright 90 degree posture that is often portrayed. If more than one person will be using the computer, consider buying and a chair with several ergonomic features. If only one person is using the chair, it can even be at a fixed height provided that it is comfortable and has a good backrest that provides lumbar support. Choose a system that is height adjustable, that allows you to tilt the keyboard down away from you slightly for better wrist posture (negative tilt), and that allows you to use the mouse with your upper arms relaxed and as close to the body as possible and with your wrist in a comfortable and neutral position. If this work surface is going to be used for writing on paper as well as computer, use a flat surface that is between 28 and 30 inches above the floor (suitable for most adults).Ĭonsider attaching a keyboard/mouse tray system to your work surface.
Make sure that the computer monitor, CPU system unit, keyboard, and mouse are placed on a stable working surface (nothing that wobbles) with adequate room for proper arrangement. Please also see Tips for using a Laptop Computer. Then, rearrange your workspace to create a good workstation layout. For sustained use, consider purchasing either an external monitor, an external keyboard (preferably with a negative-tilt keyboard tray), or both or a docking station. Guidelines for laptop use are more difficult because laptop design is inherently problematic: When the screen is at a comfortable height and distance the keyboard isn't, and vice versa. Laptop computers are growing in popularity and are great for short periods of computer work. Most ergonomic guidelines for computer workstation arrangements assume that you will be using a desktop system, where the computer screen is separate from the keyboard. If it's more than four hours, then you should implement an ergonomic arrangement. If it's more than one hour, you may want to consider an ergonomic arrangement. If it's only a few minutes, ergonomic issues may not be a high priority. If it's going to be used by several people, you will need to create an arrangement that most closely satisfies the needs of the extremes-the smallest and tallest, thinnest and broadest persons-as well as those in between.Ĭonsider how long people will be using the computer each day. If the computer will only be used by one person, then the arrangement can be optimized for that person's size, shape, and features such as adjustable height may be unnecessary. If you have trouble getting your arrangement to feel right, or have questions about the following recommendations, please contact the Department of Environmental Health and Safety Length of Use The following is a brief summary of ergonomist-approved recommendations for creating an ergonomic working arrangement-an important part of protecting your health.
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