AN 3203 – SOFT TISSUE LOADING AND ERGONOMICS
EXAM QUESTIONS AND VERIFIED ANSWERS
List 5 Factors in tissue loading that can lead to damage and injury: -
ANSWER 1. Load
2. Duration
3. Repetition
4. Rest period
5. Anthropometry
Conventions of static anthropometry are in one of two dimensions -
ANSWER 1. Sagittal view (looking at left or right side) or
2. Coronal view (looking at front or back)
Two standard postures - ANSWER 1. Standing, hands relaxed at side
2. Seated
-Erect, thighs parallel to floor, knees at 90 degrees, feet flat on floor
-Upper arm perpendicular to horizontal, elbow right angle
-Most joints (ankles, knees, hips, elbows) at 90 degrees
Anthropometry - List 7 Features of Standing - ANSWER 1.Stature:
vertical distance from the floor to the crown of the head. (clearance)
2.Eye height: vertical distance from the floor to the inner corner of the
eye (most important items at this level)
3.Shoulder height: vertical distance from the floor to the acromion of the
shoulder.
4.Elbow height: vertical distance from the floor to the olecranon process
of the elbow. (counters & standing desks)
5.Hip Height: vertical distance from the floor to the greater trochanter
6.Knuckle height: vertical distance from the floor to the knuckle of the
third metacarpal. (belt items)
, 7.Finger tip height: vertical distance from the floor to the tip of the 3rd
digit
Why would you want to know the following when designing a
workstation? - ANSWER 9. Sitting eye height
11. Sitting elbow height
12. Thigh thickness
14. Buttock-popliteal length
16. Popliteal height
17. Shoulder breadth
18. Hip breadth
22. Shoulder-grip length
Anthropometry - List the Features of Sitting - ANSWER 8. Sitting
height: vertical distance from the seat to the crown of the head
9. Sitting eye height: vertical distance from seat to inner corner of eye.
(monitor)
10. Sitting shoulder height: vertical distance from the sitting surface to
the acromion of the shoulder. (backrest)
11. Sitting elbow height: vertical distance from seat to olecranon process
of elbow (keyboard & mouse)
12 .Thigh thickness: vertical distance from seat to top of thigh at thickest
part. (desk clearance)
13. Buttock-knee length: horizontal distance from the uncompressed
buttock to the patella while in the standard sitting position.
14. Buttock-popliteal length: horizontal distance from uncompressed
buttocks to underside of knee at popliteal angle while in standard sitting
position (seat pan)
15. Knee height: vertical distance from the floor to the top of the patella
while in standard sitting position
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller luzlinkuz. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £10.97. You're not tied to anything after your purchase.