Attachment to WEA notice no. 4.05.3, March 1998
| Working positions | Red | Yellow | Green |
| SITTING | |||
|
Back of the neck
|
- long periods of time in a very bent or twisted position - fixed position with visibility requirements |
- fixed position for periods of time
|
- mostly in the middle position - free movement opportunity
|
| Back |
- long periods of time in a very bent or twisted position - frequent or long fixed positions |
- bent/twisted for periods of time
|
- free movement opportunity
|
| Arms | - raised, work at/above shoulder level or more than 1/2 an arm’s distance from the body, frequently or for long periods of time |
- raised for periods of time
|
- working height and area of reach adjusted to the work task and the person
|
| Legs | - lack of leg room - long-term fixed position - frequent use of pedals |
- limited leg room |
- free leg room - seldom use of pedals |
| STANDING/WALKING | |||
| Back of the neck | - long periods of time in a very bent or twisted position - fixed position with visibility requirements |
- fixed for periods of time
|
- mostly in an upright position
|
| Back |
- long periods of time in a very bent or twisted position - frequent or long fixed positions |
- bent/twisted for periods of time
|
- mostly in an upright position
|
| Arms | - raised, work at/above shoulder level or more than 3/4 of an arm’s distance from the body, frequently or for long periods of time |
- raised for periods of time
|
- working height and area of reach adjusted to the work task and the person |
| Legs | - lack of space - unstable, slippery or uneven surface - long-term fixed position - frequent use of pedals |
- limited space - poor surface - fixed for periods of time - use of pedals |
- good space - even and stable surface - free movement opportunity - seldom use of pedals - seldom use of pedals |
| SQUATTING/KNEELING ON KNEES | |||
| - long periods of time for a significant part of the workday - hard or uneven surface |
- occurs periodically
|
- occurs rarely and for short periods
|
|
| LYING DOWN | |||
| - long periods of time for a significant part of the workday - hard or uneven surface - constantly raised arms without arm support |
- occurs periodically
|
- occurs rarely and for short periods
|