Work Surface Layout
Primary, Secondary & Tertiary Reach Zones
Primary Reach Zone
- The area of reach from with the elbows beside the body.
- The keyboard and mouse should be placed within this zone.
- If you use the telephone frequently it should also be within this zone.
- Other frequently accessed items such as papers, books, files and a pen may also be within this zone.
Secondary Reach Zone
- The reach distance from the shoulder with the arms stretched out.
- Folders that are accessed occasionally can be placed into the secondary reach zone and ideally kept on the desk.
- If you use the telephone occasionally, this should also be within this zone.
Tertiary Reach Zone
- The reach distance when the torso is flexed from the waist and the arms are stretched out.
- This should be used for infrequently accessed items such as occasional use folders or books.