Ergonomics

1. By
Mohammed Noufil
Workstation Design Considering
Anthropometrics

2. Anthropometry

3. People are different

4. TYPES OF
ANTHROPOMETRIC
MEASUREMENTS
 Static/structural
 Dynamic/functional

5. Anthropometric data at
Standing

6. Sitting Anthropometric
Data
Dimension, In
Body dimension Sex 5th 50th 95th
6. Height, sitting Male 33.1 35.7 38.1
Female 30.9 33.5 35.7
7. Eye height, sitting Male 28.6 30.9 33.2
Female 26.6 28.9 30.9
8. Elbow rest height, Male 7.5 9.6 11.6
sitting Female 7.1 9.2 11.1
9. Thigh clearance Male 4.5 5.7 7.
height Female 4.2 5.4 6.9
10.Knee height, sitting Male 19.4 21.4 23.3
Female 17.8 19.6 21.5
11.Buttock-knee Male 21.3 23.4 25.3
distance, sitting Female 20.4 22.4 24.6
12.Popliteal height, Male 15.4 17.4 19.2
sitting Female 14.0 15.7 17.4

7. Different Postures at
Workstation

8. Workspace layout
 Importance
 Function
 Frequency of use
 Sequence of use
 Normal posture

9. When to Sit or Stand

10. Horizontal Work reaches

11. Vertical Work reaches

12. Using Anthropometric Data
 Design for the extremes
 Design for an adjustable range
 Design for the average?

13. Posture Definitions

14. Affect of Posture on Grip
Strength

15. Acceptable/Unacceptable
workpositions

16. Effect of Workstation Design on
Posture

17. Work surface Heights

18. Computer Workstations
Lighting

19. Viewing Distance

20. Seating Arrangement

21. Sitting Height

22. Human Evolution