4
1
3
2
1 | display screen at or below eye level | 3 | arms at desk level |
|
|
|
|
2 | feet flat on the floor | 4 | wrists relaxed and flat |
|
|
|
|
When Using Your Computer
17
4
1
3
2
1 | display screen at or below eye level | 3 | arms at desk level |
|
|
|
|
2 | feet flat on the floor | 4 | wrists relaxed and flat |
|
|
|
|
17